diff --git a/.gitignore b/.gitignore
index 5e0679e..e5a9b78 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ dist
 .idea/
 *.egg-info
 /.tox
+.eggs/
diff --git a/num2words/__init__.py b/num2words/__init__.py
index 5745102..3710934 100644
--- a/num2words/__init__.py
+++ b/num2words/__init__.py
@@ -18,11 +18,11 @@
 from __future__ import unicode_literals
 
 from . import (lang_AR, lang_CZ, lang_DE, lang_DK, lang_EN, lang_EN_IN,
-               lang_ES, lang_ES_CO, lang_ES_VE, lang_FI, lang_FR, lang_FR_BE,
-               lang_FR_CH, lang_FR_DZ, lang_HE, lang_ID, lang_IT, lang_JA,
-               lang_KN, lang_KO, lang_LT, lang_LV, lang_NL, lang_NO, lang_PL,
-               lang_PT, lang_PT_BR, lang_RO, lang_RU, lang_SL, lang_SR,
-               lang_TE, lang_TH, lang_TR, lang_UK, lang_VI)
+               lang_ES, lang_ES_CO, lang_ES_NI, lang_ES_VE, lang_FI, lang_FR,
+               lang_FR_BE, lang_FR_CH, lang_FR_DZ, lang_HE, lang_ID, lang_IT,
+               lang_JA, lang_KN, lang_KO, lang_LT, lang_LV, lang_NL, lang_NO,
+               lang_PL, lang_PT, lang_PT_BR, lang_RO, lang_RU, lang_SL,
+               lang_SR, lang_TE, lang_TH, lang_TR, lang_UK, lang_VI)
 
 CONVERTER_CLASSES = {
     'ar': lang_AR.Num2Word_AR(),
@@ -37,6 +37,7 @@ CONVERTER_CLASSES = {
     'fi': lang_FI.Num2Word_FI(),
     'es': lang_ES.Num2Word_ES(),
     'es_CO': lang_ES_CO.Num2Word_ES_CO(),
+    'es_NI': lang_ES_NI.Num2Word_ES_NI(),
     'es_VE': lang_ES_VE.Num2Word_ES_VE(),
     'id': lang_ID.Num2Word_ID(),
     'ja': lang_JA.Num2Word_JA(),
diff --git a/num2words/base.py b/num2words/base.py
index 025e014..ccf5248 100644
--- a/num2words/base.py
+++ b/num2words/base.py
@@ -139,7 +139,7 @@ class Num2Word_Base(object):
     def to_cardinal_float(self, value):
         try:
             float(value) == value
-        except (ValueError, TypeError, AssertionError):
+        except (ValueError, TypeError, AssertionError, AttributeError):
             raise TypeError(self.errmsg_nonnum % value)
 
         pre, post = self.float2tuple(float(value))
diff --git a/num2words/lang_ES.py b/num2words/lang_ES.py
index fca9491..a8cc47d 100644
--- a/num2words/lang_ES.py
+++ b/num2words/lang_ES.py
@@ -15,7 +15,9 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 # MA 02110-1301 USA
 
-from __future__ import print_function, unicode_literals
+from __future__ import division, print_function, unicode_literals
+
+import math
 
 from .lang_EU import Num2Word_EU
 
@@ -120,47 +122,47 @@ class Num2Word_ES(Num2Word_EU):
 
     def to_ordinal(self, value):
         self.verify_ordinal(value)
-        try:
-            if value == 0:
-                text = ""
-            elif value <= 10:
-                text = "%s%s" % (self.ords[value], self.gender_stem)
-            elif value <= 12:
-                text = (
-                    "%s%s%s" % (self.ords[10], self.gender_stem,
-                                self.to_ordinal(value - 10))
-                        )
-            elif value <= 100:
-                dec = (value // 10) * 10
-                text = (
-                    "%s%s %s" % (self.ords[dec], self.gender_stem,
-                                 self.to_ordinal(value - dec))
-                        )
-            elif value <= 1e3:
-                cen = (value // 100) * 100
-                text = (
-                    "%s%s %s" % (self.ords[cen], self.gender_stem,
-                                 self.to_ordinal(value - cen))
-                        )
-            elif value < 1e18:
-                # dec contains the following:
-                # [ 1e3,  1e6): 1e3
-                # [ 1e6,  1e9): 1e6
-                # [ 1e9, 1e12): 1e9
-                # [1e12, 1e15): 1e12
-                # [1e15, 1e18): 1e15
-                dec = 10 ** ((((len(str(int(value))) - 1) / 3 - 1) + 1) * 3)
-                part = int(float(value / dec) * dec)
-                cardinal = (
-                    self.to_cardinal(part / dec) if part / dec != 1 else ""
+        if value == 0:
+            text = ""
+        elif value <= 10:
+            text = "%s%s" % (self.ords[value], self.gender_stem)
+        elif value <= 12:
+            text = (
+                "%s%s%s" % (self.ords[10], self.gender_stem,
+                            self.to_ordinal(value - 10))
                     )
-                text = (
-                    "%s%s%s %s" % (cardinal, self.ords[dec], self.gender_stem,
-                                   self.to_ordinal(value - part))
-                        )
-            else:
-                text = self.to_cardinal(value)
-        except KeyError:
+        elif value <= 100:
+            dec = (value // 10) * 10
+            text = (
+                "%s%s %s" % (self.ords[dec], self.gender_stem,
+                             self.to_ordinal(value - dec))
+                    )
+        elif value <= 1e3:
+            cen = (value // 100) * 100
+            text = (
+                "%s%s %s" % (self.ords[cen], self.gender_stem,
+                             self.to_ordinal(value - cen))
+                    )
+        elif value < 1e18:
+            # Round down to the nearest 1e(3n)
+            # dec contains the following:
+            # [ 1e3,  1e6): 1e3
+            # [ 1e6,  1e9): 1e6
+            # [ 1e9, 1e12): 1e9
+            # [1e12, 1e15): 1e12
+            # [1e15, 1e18): 1e15
+            dec = 1000 ** int(math.log(int(value), 1000))
+
+            # Split the parts before and after the word for 'dec'
+            # eg (12, 345) = divmod(12_345, 1_000)
+            high_part, low_part = divmod(value, dec)
+
+            cardinal = self.to_cardinal(high_part) if high_part != 1 else ""
+            text = (
+                "%s%s%s %s" % (cardinal, self.ords[dec], self.gender_stem,
+                               self.to_ordinal(low_part))
+                    )
+        else:
             text = self.to_cardinal(value)
         return text.strip()
 
diff --git a/num2words/lang_ES_NI.py b/num2words/lang_ES_NI.py
new file mode 100644
index 0000000..9e5f9e8
--- /dev/null
+++ b/num2words/lang_ES_NI.py
@@ -0,0 +1,33 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2003, Taro Ogawa.  All Rights Reserved.
+# Copyright (c) 2013, Savoir-faire Linux inc.  All Rights Reserved.
+
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1301 USA
+
+from __future__ import print_function, unicode_literals
+
+from .lang_ES import Num2Word_ES
+
+
+class Num2Word_ES_NI(Num2Word_ES):
+    CURRENCY_FORMS = {
+        'NIO': (('córdoba', 'córdobas'), ('centavo', 'centavos')),
+    }
+
+    def to_currency(self, val, currency='NIO', cents=True, separator=' con',
+                    adjective=False):
+        result = super(Num2Word_ES, self).to_currency(
+            val, currency=currency, cents=cents, separator=separator,
+            adjective=adjective)
+        return result.replace("uno", "un")
diff --git a/num2words/lang_EU.py b/num2words/lang_EU.py
index 022d369..748f935 100644
--- a/num2words/lang_EU.py
+++ b/num2words/lang_EU.py
@@ -41,7 +41,7 @@ class Num2Word_EU(Num2Word_Base):
         'NOK': (('krone', 'kroner'), ('øre', 'øre')),
         'PLN': (('zloty', 'zlotys', 'zlotu'), ('grosz', 'groszy')),
         'MXN': (('peso', 'pesos'), GENERIC_CENTS),
-        'RON': (('leu', 'lei'), ('ban', 'bani')),
+        'RON': (('leu', 'lei', 'de lei'), ('ban', 'bani', 'de bani')),
         'INR': (('rupee', 'rupees'), ('paisa', 'paise'))
     }
 
diff --git a/num2words/lang_HE.py b/num2words/lang_HE.py
index c1d71a3..34b2ec8 100644
--- a/num2words/lang_HE.py
+++ b/num2words/lang_HE.py
@@ -18,32 +18,33 @@
 
 from __future__ import print_function, unicode_literals
 
+from .base import Num2Word_Base
 from .utils import get_digits, splitbyx
 
 ZERO = (u'אפס',)
 
 ONES = {
-    1: (u'אחד',),
-    2: (u'שנים',),
+    1: (u'אחת',),
+    2: (u'שתים',),
     3: (u'שלש',),
     4: (u'ארבע',),
     5: (u'חמש',),
     6: (u'שש',),
     7: (u'שבע',),
-    8: (u'שמנה',),
+    8: (u'שמונה',),
     9: (u'תשע',),
 }
 
 TENS = {
     0: (u'עשר',),
-    1: (u'אחד עשרה',),
-    2: (u'שנים עשרה',),
+    1: (u'אחת עשרה',),
+    2: (u'שתים עשרה',),
     3: (u'שלש עשרה',),
     4: (u'ארבע עשרה',),
     5: (u'חמש עשרה',),
     6: (u'שש עשרה',),
     7: (u'שבע עשרה',),
-    8: (u'שמנה עשרה',),
+    8: (u'שמונה עשרה',),
     9: (u'תשע עשרה',),
 }
 
@@ -54,7 +55,7 @@ TWENTIES = {
     5: (u'חמישים',),
     6: (u'ששים',),
     7: (u'שבעים',),
-    8: (u'שמנים',),
+    8: (u'שמונים',),
     9: (u'תשעים',),
 }
 
@@ -67,6 +68,13 @@ HUNDRED = {
 THOUSANDS = {
     1: (u'אלף',),
     2: (u'אלפיים',),
+    3: (u'שלשת אלפים',),
+    4: (u'ארבעת אלפים',),
+    5: (u'חמשת אלפים',),
+    6: (u'ששת אלפים',),
+    7: (u'שבעת אלפים',),
+    8: (u'שמונת אלפים',),
+    9: (u'תשעת אלפים',),
 }
 
 AND = u'ו'
@@ -100,12 +108,15 @@ def int2word(n):
 
         n1, n2, n3 = get_digits(x)
 
+        if i > 0:
+            words.append(THOUSANDS[n1][0])
+            continue
+
         if n3 > 0:
             if n3 <= 2:
                 words.append(HUNDRED[n3][0])
             else:
-                words.append(ONES[n3][0])
-                words.append(HUNDRED[3][0])
+                words.append(ONES[n3][0] + ' ' + HUNDRED[3][0])
 
         if n2 > 1:
             words.append(TWENTIES[n2][0])
@@ -116,14 +127,12 @@ def int2word(n):
             words.append(ONES[n1][0])
 
         if i > 0:
-            if i <= 2:
-                words.append(THOUSANDS[i][0])
-            else:
-                words.append(ONES[i][0])
-                words.append(THOUSANDS[1][0])
+            words.append(THOUSANDS[i][0])
 
+    # source: https://hebrew-academy.org.il/2017/01/30/ו-החיבור-במספרים/
     if len(words) > 1:
         words[-1] = AND + words[-1]
+
     return ' '.join(words)
 
 
@@ -135,7 +144,7 @@ def to_currency(n, currency='EUR', cents=True, separator=','):
     raise NotImplementedError()
 
 
-class Num2Word_HE(object):
+class Num2Word_HE(Num2Word_Base):
     def to_cardinal(self, number):
         return n2w(number)
 
diff --git a/num2words/lang_IT.py b/num2words/lang_IT.py
index ce6645f..6966d73 100644
--- a/num2words/lang_IT.py
+++ b/num2words/lang_IT.py
@@ -52,6 +52,7 @@ def phonetic_contraction(string):
             .replace("ao", "o")  # ex. "settantaotto"
             .replace("io", "o")  # ex. "ventiotto"
             .replace("au", "u")  # ex. "trentauno"
+            .replace("iu", "u")  # ex. "ventiunesimo"
             )
 
 
diff --git a/num2words/lang_RO.py b/num2words/lang_RO.py
index d4693b8..ec1deda 100644
--- a/num2words/lang_RO.py
+++ b/num2words/lang_RO.py
@@ -23,8 +23,9 @@ from . import lang_EU
 class Num2Word_RO(lang_EU.Num2Word_EU):
     GIGA_SUFFIX = "iliard/e"
     MEGA_SUFFIX = "ilion"
-    # inflection for million follows different rule
+    # inflection for mi/billion follows different rule
     MEGA_SUFFIX_I = "ilioane"
+    GIGA_SUFFIX_I = "iliarde"
 
     def setup(self):
         super(Num2Word_RO, self).setup()
@@ -48,13 +49,13 @@ class Num2Word_RO(lang_EU.Num2Word_EU):
                              "unu", "zero"]
         self.gen_numwords = ["", "o", "două", "trei", "patru", "cinci",
                              "șase", "șapte", "opt", "nouă"]
-        self.gen_numwords_m = ["", "un", "două", "trei", "patru", "cinci",
+        self.gen_numwords_n = ["", "un", "două", "trei", "patru", "cinci",
                                "șase", "șapte", "opt", "nouă"]
         self.numwords_inflections = {
             100: self.gen_numwords,
             1000: self.gen_numwords,
-            1000000: self.gen_numwords_m,
-            1000000000: self.gen_numwords_m
+            1000000: self.gen_numwords_n,
+            1000000000: self.gen_numwords_n
         }
         self.ords = {"unu": "primul",
                      "doi": "al doilea",
@@ -67,24 +68,29 @@ class Num2Word_RO(lang_EU.Num2Word_EU):
     def merge(self, lpair, rpair):
         ltext, lnum = lpair
         rtext, rnum = rpair
-        rtext_i = self.inflect(rnum, rtext)
-        if lnum > 1 and rtext_i.endswith(self.MEGA_SUFFIX):
-            rtext_i = rtext_i.replace(self.MEGA_SUFFIX, self.MEGA_SUFFIX_I)
+        rtext_i = self.inflect(rnum, rtext, lnum)
         if 1 <= lnum < 10:
             if rnum not in self.numwords_inflections:
                 return (rtext, rnum)
             else:
-                rtext_i = self.inflect(lnum * rnum, rtext)
+                rtext_i = self.inflect(lnum * rnum, rtext, lnum)
                 lresult = (self.numwords_inflections[rnum][lnum], rtext_i)
                 return ("%s %s" % lresult, rnum)
         elif 10 < lnum < 100:
             if lnum % 10 == 0:
-                return ("%s și %s" % (ltext, rtext), lnum + rnum)
+                if rnum in self.numwords_inflections:
+                    rtext_i = self.inflect(lnum * rnum, rtext, lnum)
+                    return ("%s %s" % (ltext, rtext_i), lnum * rnum)
+                else:
+                    return ("%s și %s" % (ltext, rtext), lnum + rnum)
             else:
-                return ("%s %s" % (ltext, rtext_i), lnum * rnum)
+                rtext_i = self.inflect(lnum * rnum, rtext, lnum)
+                ltext_i = ltext if lnum % 10 != 2 \
+                    else ltext.replace("doi", "două")
+                return ("%s %s" % (ltext_i, rtext_i), lnum * rnum)
         else:
             if rnum in self.numwords_inflections:
-                rtext_i = self.inflect(lnum * rnum, rtext)
+                rtext_i = self.inflect(lnum * rnum, rtext, lnum)
             return ("%s %s" % (ltext, rtext_i), lnum * rnum)
 
     def to_ordinal(self, value):
@@ -101,21 +107,52 @@ class Num2Word_RO(lang_EU.Num2Word_EU):
             return "1-ul"
         return "al %s-lea" % (value)
 
-    def inflect(self, value, text):
-        text = text.split("/")
-        if value in (1, 100, 1000, 100000, 1000000000):
-            return text[0]
-        if len(text) > 1 and text[0][-1] in "aăeiou":
-            text[0] = text[0][:-1]
-        return "".join(text)
+    def pluralize(self, n, forms):
+        if n == 1:
+            form = 0
+        elif n == 0 or (n % 100 > 0 and n % 100 < 20):
+            form = 1
+        else:
+            form = 2
+        return forms[form]
 
-    def to_currency(self, val, longval=True, old=False):
-        cents = int(round(val*100))
-        result = self.to_splitnum(cents, hightxt="leu/i", lowtxt="ban/i",
-                                  divisor=100, jointxt="și", longval=longval)
+    def inflect(self, value, text, side_effect=-1):
+        text = text.split("/")
+        result = text[0]
+        if len(text) > 1:
+            forms = [
+                text[0],
+                text[0][:-1] + text[1],
+                "de " + text[0][:-1] + text[1]
+            ]
+            result = self.pluralize(side_effect, forms)
+        # mega inflections are different
+        if side_effect > 1 and result.endswith(self.MEGA_SUFFIX):
+            result = result.replace(self.MEGA_SUFFIX, self.MEGA_SUFFIX_I)
+        elif side_effect > 1 and result.endswith("iliare"):
+            result = result.replace("iliare", self.GIGA_SUFFIX_I)
+        return result
+
+    def to_currency(self, val, currency="RON", cents=False, separator=" și",
+                    adjective=False):
+        # romanian currency has a particularity for numeral: one
+        self.gen_numwords[1] = "una"
+        result = super(Num2Word_RO, self).to_currency(
+            int(round(val*100)),
+            currency,
+            True,
+            separator,
+            adjective
+        )
+        self.gen_numwords[1] = "o"  # revert numeral
         return result.replace(
             "unu leu", "un leu"
-        ).replace("unu ban", "un ban")
+        ).replace(
+            "unu ban", "un ban"
+        ).replace(
+            # if the romanian low text is 0, it is not usually printed
+            separator + " zero bani", ""
+        )
 
     def to_year(self, val, suffix=None, longval=True):
         result = super(Num2Word_RO, self).to_year(
diff --git a/num2words/lang_RU.py b/num2words/lang_RU.py
index 3b02526..e822d38 100644
--- a/num2words/lang_RU.py
+++ b/num2words/lang_RU.py
@@ -107,6 +107,12 @@ class Num2Word_RU(Num2Word_Base):
         'USD': (
             ('доллар', 'доллара', 'долларов'), ('цент', 'цента', 'центов')
         ),
+        'UAH': (
+            ('гривна', 'гривны', 'гривен'), ('копейка', 'копейки', 'копеек')
+        ),
+        'KZT': (
+            ('тенге', 'тенге', 'тенге'), ('тиын', 'тиына', 'тиынов')
+        ),
     }
 
     def setup(self):
diff --git a/num2words/lang_TR.py b/num2words/lang_TR.py
index 3f43fed..51f415b 100644
--- a/num2words/lang_TR.py
+++ b/num2words/lang_TR.py
@@ -24,17 +24,17 @@ class Num2Word_TR(object):
         self.precision = 2
         self.negword = u"eksi"
         self.pointword = u"virgül"
-        self.CURRENCY_UNIT = (u"lira",)
-        self.CURRENCY_SUBUNIT = (u"kuruş",)
+        self.CURRENCY_UNIT = u"lira"
+        self.CURRENCY_SUBUNIT = u"kuruş"
         self.errmsg_nonnum = u"Sadece sayılar yazıya çevrilebilir."
         self.errmsg_floatord = u"Tam sayı olmayan {} sıralamada kullanılamaz."
         self.errmsg_negord = u"Pozitif olmayan {} sıralamada kullanılamaz."
         self.errmsg_toobig = u"abs({}) sayı yazıya çevirmek için çok büyük. " \
                              u"Yazıya çevrilebilecek en büyük rakam {}."
         self.exclude_title = []
-        self.DECIMAL_SIGN = (",",)
-        self.ORDINAL_SIGN = (".",)
-        self.ZERO = (u"sıfır",)
+        self.DECIMAL_SIGN = ","
+        self.ORDINAL_SIGN = "."
+        self.ZERO = u"sıfır"
         self.CARDINAL_ONES = {
             "1": u"bir",
             "2": u"iki",
@@ -444,7 +444,7 @@ class Num2Word_TR(object):
             wrd += self.CARDINAL_ONES.get(self.integers_to_read[1][1], "")
 
         if self.integers_to_read[0] == "0":
-            wrd = self.ZERO[0] + wrd
+            wrd = self.ZERO + wrd
         else:
             wrd = self.to_cardinal(int(self.integers_to_read[0])) + wrd
         return wrd
@@ -830,9 +830,11 @@ class Num2Word_TR(object):
                 found = 1
 
     def to_currency(self, value):
+        if int(value) == 0:
+            return u"bedelsiz"
         valueparts = self.to_cardinal(value).split(self.pointword)
         if len(valueparts) == 1:
-            return valueparts[0] + self.CURRENCY_UNIT[0]
+            return valueparts[0] + self.CURRENCY_UNIT
         if len(valueparts) == 2:
-            return self.CURRENCY_UNIT[0].join(valueparts) + \
-                   self.CURRENCY_SUBUNIT[0]
+            return self.CURRENCY_UNIT.join(valueparts) + \
+                   self.CURRENCY_SUBUNIT
diff --git a/tests/test_base.py b/tests/test_base.py
index ea7701c..bd9cbd1 100644
--- a/tests/test_base.py
+++ b/tests/test_base.py
@@ -32,3 +32,29 @@ class Num2WordBaseTest(TestCase):
     def test_to_currency_not_implemented(self):
         with self.assertRaises(NotImplementedError):
             self.base.to_currency(Decimal('1.00'), currency='EUR')
+
+    def test_error_to_cardinal_float(self):
+        from num2words.base import Num2Word_Base
+        with self.assertRaises(TypeError):
+            Num2Word_Base.to_cardinal_float(9)
+        with self.assertRaises(TypeError):
+            Num2Word_Base.to_cardinal_float("a")
+
+    def test_error_merge(self):
+        from num2words.base import Num2Word_Base
+        self.base = Num2Word_Base()
+        with self.assertRaises(NotImplementedError):
+            self.base.merge(2, 3)
+
+    def test_is_title(self):
+        from num2words.base import Num2Word_Base
+        self.base = Num2Word_Base()
+        self.assertEqual(
+            self.base.title("one"),
+            "one"
+            )
+        self.base.is_title = True
+        self.assertEqual(
+            self.base.title("one"),
+            "One"
+            )
diff --git a/tests/test_cli.py b/tests/test_cli.py
index d8ea56c..a85b125 100644
--- a/tests/test_cli.py
+++ b/tests/test_cli.py
@@ -102,7 +102,7 @@ class CliTestCase(unittest.TestCase):
         )
 
     def test_cli_with_lang_to(self):
-        """You should be able to specify a language
+        """You should be able to specify a language and currency
         """
         output = self.cli.run_cmd(150.55, '--lang', 'es', '--to', 'currency')
         self.assertEqual(output.return_code, 0)
diff --git a/tests/test_dk.py b/tests/test_dk.py
new file mode 100644
index 0000000..889e9d8
--- /dev/null
+++ b/tests/test_dk.py
@@ -0,0 +1,37 @@
+# coding: utf-8
+# Copyright (c) 2003, Taro Ogawa.  All Rights Reserved.
+# Copyright (c) 2013, Savoir-faire Linux inc.  All Rights Reserved.
+
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1301 USA
+
+from __future__ import unicode_literals
+
+from unittest import TestCase
+
+from num2words import num2words
+
+
+class Num2WordsDKTest(TestCase):
+    def test_ordinal(self):
+        self.assertEqual(num2words(1, to="ordinal", lang="dk"), "første")
+        self.assertEqual(num2words(5, to="ordinal", lang="dk"), "femte")
+
+    def test_cardinal(self):
+        self.assertEqual(num2words(0, to="cardinal", lang="dk"), "nul")
+        self.assertEqual(num2words(1, to="cardinal", lang="dk"), "et")
+        self.assertEqual(num2words(2, to="cardinal", lang="dk"), "to")
+        self.assertEqual(num2words(5, to="cardinal", lang="dk"), "fem")
+        self.assertEqual(num2words(8, to="cardinal", lang="dk"), "otte")
+        self.assertEqual(num2words(18, to="cardinal", lang="dk"), "atten")
+        self.assertEqual(num2words(45, to="cardinal", lang="dk"), "femogfyrre")
diff --git a/tests/test_en.py b/tests/test_en.py
index 1508087..6234ac9 100644
--- a/tests/test_en.py
+++ b/tests/test_en.py
@@ -26,10 +26,18 @@ class Num2WordsENTest(TestCase):
         self.assertEqual(num2words(199), "one hundred and ninety-nine")
 
     def test_ordinal(self):
+        self.assertEqual(
+            num2words(0, lang='en', to='ordinal'),
+            'zeroth'
+        )
         self.assertEqual(
             num2words(1, lang='en', to='ordinal'),
             'first'
         )
+        self.assertEqual(
+            num2words(13, lang='en', to='ordinal'),
+            'thirteenth'
+        )
         self.assertEqual(
             num2words(22, lang='en', to='ordinal'),
             'twenty-second'
diff --git a/tests/test_errors.py b/tests/test_errors.py
new file mode 100644
index 0000000..fedc16e
--- /dev/null
+++ b/tests/test_errors.py
@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2003, Taro Ogawa.  All Rights Reserved.
+# Copyright (c) 2013, Savoir-faire Linux inc.  All Rights Reserved.
+
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1301 USA
+
+from __future__ import unicode_literals
+
+from unittest import TestCase
+
+from num2words import num2words
+
+
+class Num2WordsErrorsTest(TestCase):
+
+    def test_NotImplementedError(self):
+        with self.assertRaises(NotImplementedError):
+            num2words(100, lang="lalala")
diff --git a/tests/test_es.py b/tests/test_es.py
index a49cfbf..d306981 100644
--- a/tests/test_es.py
+++ b/tests/test_es.py
@@ -95,6 +95,7 @@ TEST_CASES_ORDINAL = (
     (28, 'vigésimo octavo'),
     (100, 'centésimo'),
     (1000, 'milésimo'),
+    (12345, 'docemilésimo tricentésimo quadragésimo quinto'),
     (1000000, 'millonésimo'),
     (1000000000000000, 'cuadrillonésimo'),
     (1000000000000000000, 'un trillón')  # over 1e18 is not supported
diff --git a/tests/test_es_ni.py b/tests/test_es_ni.py
new file mode 100644
index 0000000..619e6a1
--- /dev/null
+++ b/tests/test_es_ni.py
@@ -0,0 +1,42 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2003, Taro Ogawa.  All Rights Reserved.
+# Copyright (c) 2013, Savoir-faire Linux inc.  All Rights Reserved.
+
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1301 USA
+
+from __future__ import unicode_literals
+
+from num2words import num2words
+
+from . import test_es
+
+TEST_NIO = (
+    (1.0, 'un córdoba con cero centavos'),
+    (2.0, 'dos córdobas con cero centavos'),
+    (8.0, 'ocho córdobas con cero centavos'),
+    (12.0, 'doce córdobas con cero centavos'),
+    (21.0, 'veintiun córdobas con cero centavos'),
+    (81.25, 'ochenta y un córdobas con veinticinco centavos'),
+    (100.00, 'cien córdobas con cero centavos'),
+)
+
+
+class Num2WordsESNITest(test_es.Num2WordsESTest):
+
+    def test_currency(self):
+        for test in TEST_NIO:
+            self.assertEqual(
+                num2words(test[0], lang='es_NI', to='currency'),
+                test[1]
+            )
diff --git a/tests/test_he.py b/tests/test_he.py
new file mode 100644
index 0000000..206d7cc
--- /dev/null
+++ b/tests/test_he.py
@@ -0,0 +1,73 @@
+# -*- coding: utf-8 -*-
+# Copyright (c) 2003, Taro Ogawa.  All Rights Reserved.
+# Copyright (c) 2013, Savoir-faire Linux inc.  All Rights Reserved.
+
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1301 USA
+
+from __future__ import unicode_literals
+
+from unittest import TestCase
+
+from num2words import num2words
+
+
+class Num2WordsHETest(TestCase):
+    maxDiff = None
+
+    def test_0(self):
+        self.assertEqual(num2words(0, lang="he"), u'אפס')
+
+    def test_1_to_10(self):
+        self.assertEqual(num2words(1, lang="he"), u'אחת')
+        self.assertEqual(num2words(2, lang="he"), u'שתים')
+        self.assertEqual(num2words(7, lang="he"), u'שבע')
+        self.assertEqual(num2words(10, lang="he"), u'עשר')
+
+    def test_11_to_19(self):
+        self.assertEqual(num2words(11, lang="he"), u'אחת עשרה')
+        self.assertEqual(num2words(13, lang="he"), u'שלש עשרה')
+        self.assertEqual(num2words(15, lang="he"), u'חמש עשרה')
+        self.assertEqual(num2words(16, lang="he"), u'שש עשרה')
+        self.assertEqual(num2words(19, lang="he"), u'תשע עשרה')
+
+    def test_20_to_99(self):
+        self.assertEqual(num2words(20, lang="he"), u'עשרים')
+        self.assertEqual(num2words(23, lang="he"), u'עשרים ושלש')
+        self.assertEqual(num2words(28, lang="he"), u'עשרים ושמונה')
+        self.assertEqual(num2words(31, lang="he"), u'שלשים ואחת')
+        self.assertEqual(num2words(40, lang="he"), u'ארבעים')
+        self.assertEqual(num2words(66, lang="he"), u'ששים ושש')
+        self.assertEqual(num2words(92, lang="he"), u'תשעים ושתים')
+
+    def test_100_to_999(self):
+        self.assertEqual(num2words(100, lang="he"), u'מאה')
+        self.assertEqual(num2words(111, lang="he"), u'מאה ואחת עשרה')
+        self.assertEqual(num2words(150, lang="he"), u'מאה וחמישים')
+        self.assertEqual(num2words(196, lang="he"), u'מאה תשעים ושש')
+        self.assertEqual(num2words(200, lang="he"), u'מאתיים')
+        self.assertEqual(num2words(210, lang="he"), u'מאתיים ועשר')
+        self.assertEqual(num2words(701, lang="he"), u'שבע מאות ואחת')
+
+    def test_1000_to_9999(self):
+        self.assertEqual(num2words(1000, lang="he"), u'אלף')
+        self.assertEqual(num2words(1001, lang="he"), u'אלף ואחת')
+        self.assertEqual(num2words(1500, lang="he"), u'אלף וחמש מאות')
+        self.assertEqual(
+            num2words(7378, lang="he"), u'שבעת אלפים שלש מאות שבעים ושמונה'
+        )
+        self.assertEqual(num2words(2000, lang="he"), u'אלפיים')
+        self.assertEqual(num2words(2100, lang="he"), u'אלפיים ומאה')
+        self.assertEqual(
+            num2words(6870, lang="he"), u'ששת אלפים שמונה מאות ושבעים'
+        )
diff --git a/tests/test_it.py b/tests/test_it.py
index 23c79ce..348f4ed 100644
--- a/tests/test_it.py
+++ b/tests/test_it.py
@@ -78,6 +78,7 @@ class Num2WordsITTest(TestCase):
 
     def test_20_to_99(self):
         self.assertEqual(num2words(20, lang="it"), "venti")
+        self.assertEqual(num2words(21, lang="it"), "ventuno")
         self.assertEqual(num2words(23, lang="it"), "ventitré")
         self.assertEqual(num2words(28, lang="it"), "ventotto")
         self.assertEqual(num2words(31, lang="it"), "trentuno")
@@ -154,6 +155,9 @@ class Num2WordsITTest(TestCase):
     def test_nth_1_to_99(self):
         self.assertEqual(num2words(1, lang="it", ordinal=True), "primo")
         self.assertEqual(num2words(8, lang="it", ordinal=True), "ottavo")
+        self.assertEqual(
+            num2words(21, lang="it", ordinal=True), "ventunesimo"
+        )
         self.assertEqual(
             num2words(23, lang="it", ordinal=True), "ventitreesimo"
         )
@@ -172,6 +176,9 @@ class Num2WordsITTest(TestCase):
         self.assertEqual(
             num2words(120, lang="it", ordinal=True), "centoventesimo"
         )
+        self.assertEqual(
+            num2words(121, lang="it", ordinal=True), "centoventunesimo"
+        )
         self.assertEqual(
             num2words(316, lang="it", ordinal=True), "trecentosedicesimo"
         )
diff --git a/tests/test_ro.py b/tests/test_ro.py
index b5e6c51..4089ddd 100644
--- a/tests/test_ro.py
+++ b/tests/test_ro.py
@@ -103,7 +103,7 @@ class Num2WordsROTest(TestCase):
         )
         self.assertEqual(
             num2words(247000000000, lang="ro"),
-            u"două sute patruzeci și șapte miliarde"
+            u"două sute patruzeci și șapte de miliarde"
         )
 
     def test_overflow(self):
@@ -117,23 +117,45 @@ class Num2WordsROTest(TestCase):
 
     def test_to_currency(self):
         self.assertEqual(
-            num2words(38.4, lang='ro', to='currency'),
-            u'treizeci și opt lei și patruzeci bani'
+            num2words(1000, lang='ro', to='currency'),
+            u'una mie de lei'
+        )
+        self.assertEqual(
+            num2words(101, lang='ro', to='currency'),
+            u'una sută unu lei'
+        )
+        self.assertEqual(
+            num2words(100, lang='ro', to='currency'),
+            u'una sută de lei'
+        )
+        self.assertEqual(
+            num2words(38.4, lang='ro', to='currency'),
+            u'treizeci și opt de lei și patruzeci de bani'
         )
-
         self.assertEqual(
             num2words(1.01, lang='ro', to='currency'),
             u'un leu și un ban'
         )
-
         self.assertEqual(
             num2words(4778.00, lang='ro', to='currency'),
-            u'patru mii șapte sute șaptezeci și opt lei')
-
+            u'patru mii șapte sute șaptezeci și opt de lei')
         self.assertEqual(
             num2words(4778.32, lang='ro', to='currency'),
-            u'patru mii șapte sute șaptezeci și opt lei'
-            u' și treizeci și doi bani')
+            u'patru mii șapte sute șaptezeci și opt de lei'
+            u' și treizeci și doi de bani')
+        self.assertEqual(
+            num2words(1207, lang='ro', to='currency'),
+            u'una mie două sute șapte lei')
+        self.assertEqual(
+            num2words(22000, lang='ro', to='currency'),
+            u'douăzeci și două de mii de lei')
+        self.assertEqual(
+            num2words(80000, lang='ro', to='currency'),
+            u'optzeci de mii de lei')
+        self.assertEqual(
+            num2words(123456789, lang='ro', to='currency'),
+            u'una sută douăzeci și trei milioane patru sute '
+            u'cincizeci și șase de mii șapte sute optzeci și nouă de lei')
 
     def test_to_year(self):
         self.assertEqual(num2words(1989, lang='ro', to='year'),
diff --git a/tests/test_tr.py b/tests/test_tr.py
index 6622ddc..a6fc968 100644
--- a/tests/test_tr.py
+++ b/tests/test_tr.py
@@ -24,171 +24,168 @@ from num2words import num2words
 class Num2WordsTRTest(TestCase):
     def test_tr(self):
         # ref https://github.com/savoirfairelinux/num2words/issues/8
+        testlang = "tr"
+        testcases = [
+            {"test": 0, "to": "currency", "expected": u"bedelsiz"},
+            {"test": 1.1, "to": "currency", "expected": u"birliraonkuruş"},
+            {"test": 2000, "to": "currency", "expected": u"ikibinlira"},
+            {"test": 110000, "to": "currency", "expected": u"yüzonbinlira"},
+            {"test": 1002000, "to": "currency",
+             "expected": u"birmilyonikibinlira"},
+            {"test": 1002001, "to": "currency",
+             "expected": u"birmilyonikibinbirlira"},
+            {"test": 1100000, "to": "currency",
+             "expected": u"birmilyonyüzbinlira"},
+            {"test": 1, "to": "ordinal", "expected": u"birinci"},
+            {"test": 2, "to": "ordinal", "expected": u"ikinci"},
+            {"test": 9, "to": "ordinal", "expected": u"dokuzuncu"},
+            {"test": 10, "to": "ordinal", "expected": u"onuncu"},
+            {"test": 11, "to": "ordinal", "expected": u"onbirinci"},
+            {"test": 44, "to": "ordinal", "expected": u"kırkdördüncü"},
+            {"test": 100, "to": "ordinal", "expected": u"yüzüncü"},
+            {"test": 101, "to": "ordinal", "expected": u"yüzbirinci"},
+            {"test": 103, "to": "ordinal", "expected": u"yüzüçüncü"},
+            {"test": 110, "to": "ordinal", "expected": u"yüzonuncu"},
+            {"test": 111, "to": "ordinal", "expected": u"yüzonbirinci"},
+            {"test": 1000, "to": "ordinal", "expected": u"bininci"},
+            {"test": 1001, "to": "ordinal", "expected": u"binbirinci"},
+            {"test": 1010, "to": "ordinal", "expected": u"binonuncu"},
+            {"test": 1011, "to": "ordinal", "expected": u"binonbirinci"},
+            {"test": 1100, "to": "ordinal", "expected": u"binyüzüncü"},
+            {"test": 1110, "to": "ordinal", "expected": u"binyüzonuncu"},
+            {"test": 2341, "to": "ordinal",
+             "expected": u"ikibinüçyüzkırkbirinci"},
+            {"test": 10000, "to": "ordinal", "expected": u"onbininci"},
+            {"test": 10010, "to": "ordinal", "expected": u"onbinonuncu"},
+            {"test": 10100, "to": "ordinal", "expected": u"onbinyüzüncü"},
+            {"test": 10110, "to": "ordinal", "expected": u"onbinyüzonuncu"},
+            {"test": 11000, "to": "ordinal", "expected": u"onbirbininci"},
+            {"test": 35000, "to": "ordinal", "expected": u"otuzbeşbininci"},
+            {"test": 116331, "to": "ordinal",
+             "expected": u"yüzonaltıbinüçyüzotuzbirinci"},
+            {"test": 116330, "to": "ordinal",
+             "expected": u"yüzonaltıbinüçyüzotuzuncu"},
+            {"test": 100000, "to": "ordinal", "expected": u"yüzbininci"},
+            {"test": 501000, "to": "ordinal",
+             "expected": u"beşyüzbirbininci"},
+            {"test": 1000111, "to": "ordinal",
+             "expected": u"birmilyonyüzonbirinci"},
+            {"test": 111000111, "to": "ordinal",
+             "expected": u"yüzonbirmilyonyüzonbirinci"},
+            {"test": 111001111, "to": "ordinal",
+             "expected": u"yüzonbirmilyonbinyüzonbirinci"},
+            {"test": 111111111, "to": "ordinal",
+             "expected": u"yüzonbirmilyonyüzonbirbinyüzonbirinci"},
+            {"test": 100001000, "to": "ordinal",
+             "expected": u"yüzmilyonbininci"},
+            {"test": 100001001, "to": "ordinal",
+             "expected": u"yüzmilyonbinbirinci"},
+            {"test": 100010000, "to": "ordinal",
+             "expected": u"yüzmilyononbininci"},
+            {"test": 100010001, "to": "ordinal",
+             "expected": u"yüzmilyononbinbirinci"},
+            {"test": 100011000, "to": "ordinal",
+             "expected": u"yüzmilyononbirbininci"},
+            {"test": 100011001, "to": "ordinal",
+             "expected": u"yüzmilyononbirbinbirinci"},
+            {"test": 101011001, "to": "ordinal",
+             "expected": u"yüzbirmilyononbirbinbirinci"},
+            {"test": 101011010, "to": "ordinal",
+             "expected": u"yüzbirmilyononbirbinonuncu"},
+            {"test": 1101011010, "to": "ordinal",
+             "expected": u"birmilyaryüzbirmilyononbirbinonuncu"},
+            {"test": 101101011010, "to": "ordinal",
+             "expected": u"yüzbirmilyaryüzbirmilyononbirbinonuncu"},
+            {"test": 1000000000001, "to": "ordinal",
+             "expected": u"birtrilyonbirinci"},
+            {"test": 1.2, "to": "ordinal", "expected": u""},
+            {"test": 1.3, "to": "ordinal", "expected": u""},
+            {"test": 3000, "to": "ordinal", "expected": u"üçbininci"},
+            {"test": 120000, "to": "ordinal", "expected": u"yüzyirmibininci"},
+            {"test": 1002002, "to": "ordinal",
+             "expected": u"birmilyonikibinikinci"},
+            {"test": 1003000, "to": "ordinal",
+             "expected": u"birmilyonüçbininci"},
+            {"test": 1200000, "to": "ordinal",
+             "expected": u"birmilyonikiyüzbininci"},
+            {"test": 1, "to": "cardinal", "expected": u"bir"},
+            {"test": 2, "to": "cardinal", "expected": u"iki"},
+            {"test": 9, "to": "cardinal", "expected": u"dokuz"},
+            {"test": 10, "to": "cardinal", "expected": u"on"},
+            {"test": 11, "to": "cardinal", "expected": u"onbir"},
+            {"test": 44, "to": "cardinal", "expected": u"kırkdört"},
+            {"test": 100, "to": "cardinal", "expected": u"yüz"},
+            {"test": 101, "to": "cardinal", "expected": u"yüzbir"},
+            {"test": 103, "to": "cardinal", "expected": u"yüzüç"},
+            {"test": 110, "to": "cardinal", "expected": u"yüzon"},
+            {"test": 111, "to": "cardinal", "expected": u"yüzonbir"},
+            {"test": 1000, "to": "cardinal", "expected": u"bin"},
+            {"test": 1001, "to": "cardinal", "expected": u"binbir"},
+            {"test": 1010, "to": "cardinal", "expected": u"binon"},
+            {"test": 1011, "to": "cardinal", "expected": u"binonbir"},
+            {"test": 1100, "to": "cardinal", "expected": u"binyüz"},
+            {"test": 1110, "to": "cardinal", "expected": u"binyüzon"},
+            {"test": 2341, "to": "cardinal",
+             "expected": u"ikibinüçyüzkırkbir"},
+            {"test": 10000, "to": "cardinal", "expected": u"onbin"},
+            {"test": 10010, "to": "cardinal", "expected": u"onbinon"},
+            {"test": 10100, "to": "cardinal", "expected": u"onbinyüz"},
+            {"test": 10110, "to": "cardinal", "expected": u"onbinyüzon"},
+            {"test": 11000, "to": "cardinal", "expected": u"onbirbin"},
+            {"test": 35000, "to": "cardinal", "expected": u"otuzbeşbin"},
+            {"test": 116331, "to": "cardinal",
+             "expected": u"yüzonaltıbinüçyüzotuzbir"},
+            {"test": 116330, "to": "cardinal",
+             "expected": u"yüzonaltıbinüçyüzotuz"},
+            {"test": 500000, "to": "cardinal", "expected": u"beşyüzbin"},
+            {"test": 501000, "to": "cardinal", "expected": u"beşyüzbirbin"},
+            {"test": 1000111, "to": "cardinal",
+             "expected": u"birmilyonyüzonbir"},
+            {"test": 111000111, "to": "cardinal",
+             "expected": u"yüzonbirmilyonyüzonbir"},
+            {"test": 111001111, "to": "cardinal",
+             "expected": u"yüzonbirmilyonbinyüzonbir"},
+            {"test": 111111111, "to": "cardinal",
+             "expected": u"yüzonbirmilyonyüzonbirbinyüzonbir"},
+            {"test": 100001000, "to": "cardinal",
+             "expected": u"yüzmilyonbin"},
+            {"test": 100001001, "to": "cardinal",
+             "expected": u"yüzmilyonbinbir"},
+            {"test": 100010000, "to": "cardinal",
+             "expected": u"yüzmilyononbin"},
+            {"test": 100010001, "to": "cardinal",
+             "expected": u"yüzmilyononbinbir"},
+            {"test": 100011000, "to": "cardinal",
+             "expected": u"yüzmilyononbirbin"},
+            {"test": 100011001, "to": "cardinal",
+             "expected": u"yüzmilyononbirbinbir"},
+            {"test": 101011001, "to": "cardinal",
+             "expected": u"yüzbirmilyononbirbinbir"},
+            {"test": 101011010, "to": "cardinal",
+             "expected": u"yüzbirmilyononbirbinon"},
+            {"test": 1101011010, "to": "cardinal",
+             "expected": u"birmilyaryüzbirmilyononbirbinon"},
+            {"test": 101101011010, "to": "cardinal",
+             "expected": u"yüzbirmilyaryüzbirmilyononbirbinon"},
+            {"test": 1000000000001, "to": "cardinal",
+             "expected": u"birtrilyonbir"},
+            {"test": 0.01, "to": "cardinal", "expected": u"sıfırvirgülbir"},
+            {"test": 0.21, "to": "cardinal",
+             "expected": u"sıfırvirgülyirmibir"},
+            {"test": 0.1, "to": "cardinal", "expected": u"sıfırvirgülon"},
+            {"test": 1.01, "to": "cardinal", "expected": u"birvirgülbir"},
+            {"test": 1.1, "to": "cardinal", "expected": u"birvirgülon"},
+            {"test": 1.21, "to": "cardinal",
+             "expected": u"birvirgülyirmibir"},
+            {"test": 101101011010.02, "to": "cardinal",
+             "expected": u"yüzbirmilyaryüzbirmilyononbirbinonvirgüliki"},
+            {"test": 101101011010.2, "to": "cardinal",
+             "expected": u"yüzbirmilyaryüzbirmilyononbirbinonvirgülyirmi"}
+        ]
 
-        self.assertEqual(num2words(1, True, "tr"), u"birinci")
-        self.assertEqual(num2words(2, True, "tr"), u"ikinci")
-        self.assertEqual(num2words(9, True, "tr"), u"dokuzuncu")
-        self.assertEqual(num2words(10, True, "tr"), u"onuncu")
-        self.assertEqual(num2words(11, True, "tr"), u"onbirinci")
-        self.assertEqual(num2words(44, True, "tr"), u"kırkdördüncü")
-        self.assertEqual(num2words(100, True, "tr"), u"yüzüncü")
-        self.assertEqual(num2words(101, True, "tr"), u"yüzbirinci")
-        self.assertEqual(num2words(103, True, "tr"), u"yüzüçüncü")
-        self.assertEqual(num2words(110, True, "tr"), u"yüzonuncu")
-        self.assertEqual(num2words(111, True, "tr"), u"yüzonbirinci")
-        self.assertEqual(num2words(1000, True, "tr"), u"bininci")
-        self.assertEqual(num2words(1001, True, "tr"), u"binbirinci")
-        self.assertEqual(num2words(1010, True, "tr"), u"binonuncu")
-        self.assertEqual(num2words(1011, True, "tr"), u"binonbirinci")
-        self.assertEqual(num2words(1100, True, "tr"), u"binyüzüncü")
-        self.assertEqual(num2words(1110, True, "tr"), u"binyüzonuncu")
-        self.assertEqual(
-            num2words(2341, True, "tr"), u"ikibinüçyüzkırkbirinci"
-        )
-        self.assertEqual(num2words(10000, True, "tr"), u"onbininci")
-        self.assertEqual(num2words(10010, True, "tr"), u"onbinonuncu")
-        self.assertEqual(num2words(10100, True, "tr"), u"onbinyüzüncü")
-        self.assertEqual(num2words(10110, True, "tr"), u"onbinyüzonuncu")
-        self.assertEqual(num2words(11000, True, "tr"), u"onbirbininci")
-        self.assertEqual(num2words(35000, True, "tr"), u"otuzbeşbininci")
-        self.assertEqual(
-            num2words(116331, True, "tr"), u"yüzonaltıbinüçyüzotuzbirinci"
-        )
-        self.assertEqual(
-            num2words(116330, True, "tr"), u"yüzonaltıbinüçyüzotuzuncu"
-        )
-        self.assertEqual(num2words(100000, True, "tr"), u"yüzbininci")
-        self.assertEqual(num2words(501000, True, "tr"), u"beşyüzbirbininci")
-        self.assertEqual(
-            num2words(1000111, True, "tr"), u"birmilyonyüzonbirinci"
-        )
-        self.assertEqual(
-            num2words(111000111, True, "tr"), u"yüzonbirmilyonyüzonbirinci"
-        )
-        self.assertEqual(
-            num2words(111001111, True, "tr"), u"yüzonbirmilyonbinyüzonbirinci"
-        )
-        self.assertEqual(
-            num2words(111111111, True, "tr"),
-            u"yüzonbirmilyonyüzonbirbinyüzonbirinci"
-        )
-        self.assertEqual(num2words(100001000, True, "tr"), u"yüzmilyonbininci")
-        self.assertEqual(
-            num2words(100001001, True, "tr"), u"yüzmilyonbinbirinci"
-        )
-        self.assertEqual(
-            num2words(100010000, True, "tr"), u"yüzmilyononbininci"
-        )
-        self.assertEqual(
-            num2words(100010001, True, "tr"), u"yüzmilyononbinbirinci"
-        )
-        self.assertEqual(
-            num2words(100011000, True, "tr"), u"yüzmilyononbirbininci"
-        )
-        self.assertEqual(
-            num2words(100011001, True, "tr"), u"yüzmilyononbirbinbirinci"
-        )
-        self.assertEqual(
-            num2words(101011001, True, "tr"), u"yüzbirmilyononbirbinbirinci"
-        )
-        self.assertEqual(
-            num2words(101011010, True, "tr"), u"yüzbirmilyononbirbinonuncu"
-        )
-        self.assertEqual(
-            num2words(1101011010, True, "tr"),
-            u"birmilyaryüzbirmilyononbirbinonuncu"
-        )
-        self.assertEqual(
-            num2words(101101011010, True, "tr"),
-            u"yüzbirmilyaryüzbirmilyononbirbinonuncu"
-        )
-        self.assertEqual(
-            num2words(1000000000001, True, "tr"), u"birtrilyonbirinci"
-        )
-
-        self.assertEqual(num2words(1, False, "tr"), u"bir")
-        self.assertEqual(num2words(2, False, "tr"), u"iki")
-        self.assertEqual(num2words(9, False, "tr"), u"dokuz")
-        self.assertEqual(num2words(10, False, "tr"), u"on")
-        self.assertEqual(num2words(11, False, "tr"), u"onbir")
-        self.assertEqual(num2words(44, False, "tr"), u"kırkdört")
-        self.assertEqual(num2words(100, False, "tr"), u"yüz")
-        self.assertEqual(num2words(101, False, "tr"), u"yüzbir")
-        self.assertEqual(num2words(103, False, "tr"), u"yüzüç")
-        self.assertEqual(num2words(110, False, "tr"), u"yüzon")
-        self.assertEqual(num2words(111, False, "tr"), u"yüzonbir")
-        self.assertEqual(num2words(1000, False, "tr"), u"bin")
-        self.assertEqual(num2words(1001, False, "tr"), u"binbir")
-        self.assertEqual(num2words(1010, False, "tr"), u"binon")
-        self.assertEqual(num2words(1011, False, "tr"), u"binonbir")
-        self.assertEqual(num2words(1100, False, "tr"), u"binyüz")
-        self.assertEqual(num2words(1110, False, "tr"), u"binyüzon")
-        self.assertEqual(num2words(2341, False, "tr"), u"ikibinüçyüzkırkbir")
-        self.assertEqual(num2words(10000, False, "tr"), u"onbin")
-        self.assertEqual(num2words(10010, False, "tr"), u"onbinon")
-        self.assertEqual(num2words(10100, False, "tr"), u"onbinyüz")
-        self.assertEqual(num2words(10110, False, "tr"), u"onbinyüzon")
-        self.assertEqual(num2words(11000, False, "tr"), u"onbirbin")
-        self.assertEqual(num2words(35000, False, "tr"), u"otuzbeşbin")
-        self.assertEqual(
-            num2words(116331, False, "tr"), u"yüzonaltıbinüçyüzotuzbir"
-        )
-        self.assertEqual(
-            num2words(116330, False, "tr"), u"yüzonaltıbinüçyüzotuz"
-        )
-        self.assertEqual(num2words(500000, False, "tr"), u"beşyüzbin")
-        self.assertEqual(num2words(501000, False, "tr"), u"beşyüzbirbin")
-        self.assertEqual(num2words(1000111, False, "tr"), u"birmilyonyüzonbir")
-        self.assertEqual(
-            num2words(111000111, False, "tr"), u"yüzonbirmilyonyüzonbir"
-        )
-        self.assertEqual(
-            num2words(111001111, False, "tr"), u"yüzonbirmilyonbinyüzonbir"
-        )
-        self.assertEqual(
-            num2words(111111111, False, "tr"),
-            u"yüzonbirmilyonyüzonbirbinyüzonbir"
-        )
-        self.assertEqual(num2words(100001000, False, "tr"), u"yüzmilyonbin")
-        self.assertEqual(num2words(100001001, False, "tr"), u"yüzmilyonbinbir")
-        self.assertEqual(num2words(100010000, False, "tr"), u"yüzmilyononbin")
-        self.assertEqual(
-            num2words(100010001, False, "tr"), u"yüzmilyononbinbir"
-        )
-        self.assertEqual(
-            num2words(100011000, False, "tr"), u"yüzmilyononbirbin"
-        )
-        self.assertEqual(
-            num2words(100011001, False, "tr"), u"yüzmilyononbirbinbir"
-        )
-        self.assertEqual(
-            num2words(101011001, False, "tr"), u"yüzbirmilyononbirbinbir"
-        )
-        self.assertEqual(
-            num2words(101011010, False, "tr"), u"yüzbirmilyononbirbinon"
-        )
-        self.assertEqual(
-            num2words(1101011010, False, "tr"),
-            u"birmilyaryüzbirmilyononbirbinon"
-        )
-        self.assertEqual(
-            num2words(101101011010, False, "tr"),
-            u"yüzbirmilyaryüzbirmilyononbirbinon"
-        )
-        self.assertEqual(
-            num2words(1000000000001, False, "tr"), u"birtrilyonbir"
-        )
-        self.assertEqual(num2words(0.01, False, "tr"), u"sıfırvirgülbir")
-        self.assertEqual(num2words(0.1, False, "tr"), u"sıfırvirgülon")
-        self.assertEqual(num2words(0.21, False, "tr"), u"sıfırvirgülyirmibir")
-        self.assertEqual(num2words(1.01, False, "tr"), u"birvirgülbir")
-        self.assertEqual(num2words(1.1, False, "tr"), u"birvirgülon")
-        self.assertEqual(num2words(1.21, False, "tr"), u"birvirgülyirmibir")
-        self.assertEqual(
-            num2words(101101011010.02, False, "tr"),
-            u"yüzbirmilyaryüzbirmilyononbirbinonvirgüliki"
-        )
-        self.assertEqual(
-            num2words(101101011010.2, False, "tr"),
-            u"yüzbirmilyaryüzbirmilyononbirbinonvirgülyirmi"
-        )
+        for casedata in testcases:
+            self.assertEqual(
+                num2words(casedata["test"],
+                          lang=testlang,
+                          to=casedata["to"]),
+                casedata["expected"])