Revert "Revert "Language names via intl library.""

This reverts commit 4f35efa0bad4ae6489b63f3eebafe6542d654094.

11 files changed, 1190 insertions, 0 deletions

diff --git a/library/intl/tests/Country/CountryRepositoryTest.php b/library/intl/tests/Country/CountryRepositoryTest.php
new file mode 100644
index 000000000..23e1509d8
--- /dev/null
+++ b/library/intl/tests/Country/CountryRepositoryTest.php
@@ -0,0 +1,114 @@
+<?php
+
+namespace CommerceGuys\Intl\Tests\Country;
+
+use CommerceGuys\Intl\Country\CountryRepository;
+use org\bovigo\vfs\vfsStream;
+
+/**
+ * @coversDefaultClass \CommerceGuys\Intl\Country\CountryRepository
+ */
+class CountryRepositoryTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Base country definitions.
+     *
+     * @var array
+     */
+    protected $baseDefinitions = array(
+        'FR' => array(
+            'code' => 'FR',
+            'three_letter_code' => 'FRA',
+            'numeric_code' => '250',
+            'telephone_code' => '33',
+        ),
+        'US' => array(
+            'code' => 'US',
+            'three_letter_code' => 'USA',
+            'numeric_code' => '840',
+            'telephone_code' => '1',
+        ),
+    );
+
+    /**
+     * English country definitions.
+     *
+     * @var array
+     */
+    protected $englishDefinitions = array(
+        'FR' => array(
+            'name' => 'France',
+        ),
+        'US' => array(
+            'name' => 'United States',
+        ),
+    );
+
+    /**
+     * @covers ::__construct
+     */
+    public function testConstructor()
+    {
+        // Mock the existence of JSON definitions on the filesystem.
+        $root = vfsStream::setup('resources');
+        vfsStream::newFile('country/base.json')->at($root)->setContent(json_encode($this->baseDefinitions));
+        vfsStream::newFile('country/en.json')->at($root)->setContent(json_encode($this->englishDefinitions));
+
+        // Instantiate the country repository and confirm that the definition path
+        // was properly set.
+        $countryRepository = new CountryRepository('vfs://resources/country/');
+        $definitionPath = $this->getObjectAttribute($countryRepository, 'definitionPath');
+        $this->assertEquals('vfs://resources/country/', $definitionPath);
+
+        return $countryRepository;
+    }
+
+    /**
+     * @covers ::get
+     * @covers ::loadDefinitions
+     * @covers ::createCountryFromDefinition
+     * @uses \CommerceGuys\Intl\Country\Country
+     * @uses \CommerceGuys\Intl\LocaleResolverTrait
+     * @depends testConstructor
+     */
+    public function testGet($countryRepository)
+    {
+        $country = $countryRepository->get('FR');
+        $this->assertInstanceOf('CommerceGuys\\Intl\\Country\\Country', $country);
+        $this->assertEquals('FR', $country->getCountryCode());
+        $this->assertEquals('France', $country->getName());
+        $this->assertEquals('FRA', $country->getThreeLetterCode());
+        $this->assertEquals('250', $country->getNumericCode());
+        $this->assertEquals('33', $country->getTelephoneCode());
+        $this->assertEquals('en', $country->getLocale());
+    }
+
+    /**
+     * @covers ::get
+     * @covers ::loadDefinitions
+     * @uses \CommerceGuys\Intl\LocaleResolverTrait
+     * @expectedException \CommerceGuys\Intl\Exception\UnknownCountryException
+     * @depends testConstructor
+     */
+    public function testGetInvalidCountry($countryRepository)
+    {
+      $countryRepository->get('DE');
+    }
+
+    /**
+     * @covers ::getAll
+     * @covers ::loadDefinitions
+     * @covers ::createCountryFromDefinition
+     * @uses \CommerceGuys\Intl\Country\Country
+     * @uses \CommerceGuys\Intl\LocaleResolverTrait
+     * @depends testConstructor
+     */
+    public function testGetAll($countryRepository)
+    {
+        $countries = $countryRepository->getAll();
+        $this->assertArrayHasKey('FR', $countries);
+        $this->assertArrayHasKey('US', $countries);
+        $this->assertEquals('FR', $countries['FR']->getCountryCode());
+        $this->assertEquals('US', $countries['US']->getCountryCode());
+    }
+}
diff --git a/library/intl/tests/Country/CountryTest.php b/library/intl/tests/Country/CountryTest.php
new file mode 100644
index 000000000..a0b2dc116
--- /dev/null
+++ b/library/intl/tests/Country/CountryTest.php
@@ -0,0 +1,83 @@
+<?php
+
+namespace CommerceGuys\Intl\Tests\Country;
+
+use CommerceGuys\Intl\Country\Country;
+
+/**
+ * @coversDefaultClass \CommerceGuys\Intl\Country\Country
+ */
+class CountryTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var Country
+     */
+    protected $country;
+
+    public function setUp()
+    {
+        $this->country = new Country();
+    }
+
+    /**
+     * @covers ::getCountryCode
+     * @covers ::setCountryCode
+     * @covers ::__toString
+     */
+    public function testCountryCode()
+    {
+        $this->country->setCountryCode('US');
+        $this->assertEquals('US', $this->country->getCountryCode());
+        $this->assertEquals('US', (string) $this->country);
+    }
+
+    /**
+     * @covers ::getName
+     * @covers ::setName
+     */
+    public function testName()
+    {
+        $this->country->setName('United States');
+        $this->assertEquals('United States', $this->country->getName());
+    }
+
+    /**
+     * @covers ::getThreeLetterCode
+     * @covers ::setThreeLetterCode
+     */
+    public function testThreeLetterCode()
+    {
+        $this->country->setThreeLetterCode('USA');
+        $this->assertEquals('USA', $this->country->getThreeLetterCode());
+    }
+
+    /**
+     * @covers ::getNumericCode
+     * @covers ::setNumericCode
+     */
+    public function testNumericCode()
+    {
+        $this->country->setNumericCode('840');
+        $this->assertEquals('840', $this->country->getNumericCode());
+    }
+
+    /**
+     * @covers ::getTelephoneCode
+     * @covers ::setTelephoneCode
+     */
+    public function testTelephoneCode()
+    {
+        $this->country->setTelephoneCode('1');
+        $this->assertEquals('1', $this->country->getTelephoneCode());
+    }
+
+    /**
+     * @covers ::getLocale
+     * @covers ::setLocale
+     */
+    public function testLocale()
+    {
+        $this->country->setLocale('en');
+        $this->assertEquals('en', $this->country->getLocale());
+    }
+}
diff --git a/library/intl/tests/Currency/CurrencyRepositoryTest.php b/library/intl/tests/Currency/CurrencyRepositoryTest.php
new file mode 100644
index 000000000..4270dc70f
--- /dev/null
+++ b/library/intl/tests/Currency/CurrencyRepositoryTest.php
@@ -0,0 +1,113 @@
+<?php
+
+namespace CommerceGuys\Intl\Tests\Currency;
+
+use CommerceGuys\Intl\Currency\CurrencyRepository;
+use org\bovigo\vfs\vfsStream;
+
+/**
+ * @coversDefaultClass \CommerceGuys\Intl\Currency\CurrencyRepository
+ */
+class CurrencyRepositoryTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Base currency definitions.
+     *
+     * @var array
+     */
+    protected $baseDefinitions = array(
+        'USD' => array(
+            'code' => 'USD',
+            'numeric_code' => '840',
+        ),
+        'EUR' => array(
+            'code' => 'EUR',
+            'numeric_code' => '840',
+            'fraction_digits' => '2',
+        ),
+    );
+
+    /**
+     * English currency definitions.
+     *
+     * @var array
+     */
+    protected $englishDefinitions = array(
+        'USD' => array(
+            'name' => 'US Dollar',
+            'symbol' => '$',
+        ),
+        'EUR' => array(
+            'name' => 'Euro',
+            'symbol' => '€',
+        ),
+    );
+
+    /**
+     * @covers ::__construct
+     */
+    public function testConstructor()
+    {
+        // Mock the existence of JSON definitions on the filesystem.
+        $root = vfsStream::setup('resources');
+        vfsStream::newFile('currency/base.json')->at($root)->setContent(json_encode($this->baseDefinitions));
+        vfsStream::newFile('currency/en.json')->at($root)->setContent(json_encode($this->englishDefinitions));
+
+        // Instantiate the currency repository and confirm that the definition path
+        // was properly set.
+        $currencyRepository = new CurrencyRepository('vfs://resources/currency/');
+        $definitionPath = $this->getObjectAttribute($currencyRepository, 'definitionPath');
+        $this->assertEquals('vfs://resources/currency/', $definitionPath);
+
+        return $currencyRepository;
+    }
+
+    /**
+     * @covers ::get
+     * @covers ::loadDefinitions
+     * @covers ::createCurrencyFromDefinition
+     * @uses \CommerceGuys\Intl\Currency\Currency
+     * @uses \CommerceGuys\Intl\LocaleResolverTrait
+     * @depends testConstructor
+     */
+    public function testGet($currencyRepository)
+    {
+        $currency = $currencyRepository->get('USD');
+        $this->assertInstanceOf('CommerceGuys\\Intl\\Currency\\Currency', $currency);
+        $this->assertEquals('USD', $currency->getCurrencyCode());
+        $this->assertEquals('US Dollar', $currency->getName());
+        $this->assertEquals('840', $currency->getNumericCode());
+        $this->assertEquals('2', $currency->getFractionDigits());
+        $this->assertEquals('$', $currency->getSymbol());
+        $this->assertEquals('en', $currency->getLocale());
+    }
+
+    /**
+     * @covers ::get
+     * @covers ::loadDefinitions
+     * @uses \CommerceGuys\Intl\LocaleResolverTrait
+     * @expectedException \CommerceGuys\Intl\Exception\UnknownCurrencyException
+     * @depends testConstructor
+     */
+    public function testGetInvalidCurrency($currencyRepository)
+    {
+        $currencyRepository->get('RSD');
+    }
+
+    /**
+     * @covers ::getAll
+     * @covers ::loadDefinitions
+     * @covers ::createCurrencyFromDefinition
+     * @uses \CommerceGuys\Intl\Currency\Currency
+     * @uses \CommerceGuys\Intl\LocaleResolverTrait
+     * @depends testConstructor
+     */
+    public function testGetAll($currencyRepository)
+    {
+        $currencies = $currencyRepository->getAll();
+        $this->assertArrayHasKey('USD', $currencies);
+        $this->assertArrayHasKey('EUR', $currencies);
+        $this->assertEquals('USD', $currencies['USD']->getCurrencyCode());
+        $this->assertEquals('EUR', $currencies['EUR']->getCurrencyCode());
+    }
+}
diff --git a/library/intl/tests/Currency/CurrencyTest.php b/library/intl/tests/Currency/CurrencyTest.php
new file mode 100644
index 000000000..837e4d07a
--- /dev/null
+++ b/library/intl/tests/Currency/CurrencyTest.php
@@ -0,0 +1,83 @@
+<?php
+
+namespace CommerceGuys\Intl\Tests\Currency;
+
+use CommerceGuys\Intl\Currency\Currency;
+
+/**
+ * @coversDefaultClass \CommerceGuys\Intl\Currency\Currency
+ */
+class CurrencyTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var Currency
+     */
+    protected $currency;
+
+    public function setUp()
+    {
+        $this->currency = new Currency();
+    }
+
+    /**
+     * @covers ::getCurrencyCode
+     * @covers ::setCurrencyCode
+     * @covers ::__toString
+     */
+    public function testCurrencyCode()
+    {
+        $this->currency->setCurrencyCode('USD');
+        $this->assertEquals('USD', $this->currency->getCurrencyCode());
+        $this->assertEquals('USD', (string) $this->currency);
+    }
+
+    /**
+     * @covers ::getName
+     * @covers ::setName
+     */
+    public function testName()
+    {
+        $this->currency->setName('US Dollar');
+        $this->assertEquals('US Dollar', $this->currency->getName());
+    }
+
+    /**
+     * @covers ::getNumericCode
+     * @covers ::setNumericCode
+     */
+    public function testNumericCode()
+    {
+        $this->currency->setNumericCode('840');
+        $this->assertEquals('840', $this->currency->getNumericCode());
+    }
+
+    /**
+     * @covers ::getFractionDigits
+     * @covers ::setFractionDigits
+     */
+    public function testFractionDigits()
+    {
+        $this->currency->setFractionDigits('2');
+        $this->assertEquals('2', $this->currency->getFractionDigits());
+    }
+
+    /**
+     * @covers ::getSymbol
+     * @covers ::setSymbol
+     */
+    public function testSymbol()
+    {
+        $this->currency->setSymbol('$');
+        $this->assertEquals('$', $this->currency->getSymbol());
+    }
+
+    /**
+     * @covers ::getLocale
+     * @covers ::setLocale
+     */
+    public function testLocale()
+    {
+        $this->currency->setLocale('en');
+        $this->assertEquals('en', $this->currency->getLocale());
+    }
+}
diff --git a/library/intl/tests/DummyRepository.php b/library/intl/tests/DummyRepository.php
new file mode 100644
index 000000000..0d9ca760b
--- /dev/null
+++ b/library/intl/tests/DummyRepository.php
@@ -0,0 +1,23 @@
+<?php
+
+namespace CommerceGuys\Intl\Tests;
+
+use CommerceGuys\Intl\LocaleResolverTrait;
+
+/**
+ * Dummy repository used for testing the LocaleResolverTrait.
+ */
+class DummyRepository
+{
+    use LocaleResolverTrait;
+
+    public function __construct()
+    {
+        $this->definitionPath = 'vfs://resources/dummy/';
+    }
+
+    public function runResolveLocale($locale, $fallbackLocale = null)
+    {
+        return $this->resolveLocale($locale, $fallbackLocale);
+    }
+}
diff --git a/library/intl/tests/Formatter/NumberFormatterTest.php b/library/intl/tests/Formatter/NumberFormatterTest.php
new file mode 100644
index 000000000..83574873b
--- /dev/null
+++ b/library/intl/tests/Formatter/NumberFormatterTest.php
@@ -0,0 +1,378 @@
+<?php
+
+namespace CommerceGuys\Intl\Tests\Formatter;
+
+use CommerceGuys\Intl\Currency\Currency;
+use CommerceGuys\Intl\Formatter\NumberFormatter;
+use CommerceGuys\Intl\NumberFormat\NumberFormat;
+
+/**
+ * @coversDefaultClass \CommerceGuys\Intl\Formatter\NumberFormatter
+ */
+class NumberFormatterTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * Prepare two number formats.
+     */
+    protected $numberFormats = array(
+        'latn' => array(
+            'numbering_system' => 'latn',
+            'decimal_pattern' => '#,##0.###',
+            'percent_pattern' => '#,##0%',
+            'currency_pattern' => '¤#,##0.00',
+            'accounting_currency_pattern' => '¤#,##0.00;(¤#,##0.00)',
+        ),
+        'beng' => array(
+            'numbering_system' => 'beng',
+            'decimal_pattern' => '#,##,##0.###',
+            'percent_pattern' => '#,##,##0%',
+            'currency_pattern' => '#,##,##0.00¤',
+            'accounting_currency_pattern' => '#,##,##0.00¤;(#,##,##0.00¤)',
+        ),
+    );
+
+    /**
+     * Prepare two currency formats.
+     */
+    protected $currencies = array(
+        'USD' => array(
+            'code' => 'USD',
+            'name' => 'US Dollar',
+            'numeric_code' => '840',
+            'symbol' => '$',
+        ),
+        'BND' => array(
+            'code' => 'BND',
+            'name' => 'dollar Brunei',
+            'numeric_code' => '096',
+            'symbol' => 'BND',
+        ),
+    );
+
+    /**
+     * @covers ::__construct
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::getNumberFormat
+     * @uses \CommerceGuys\Intl\NumberFormat\NumberFormat
+     */
+    public function testConstructor()
+    {
+        $numberFormat = new NumberFormat();
+        $formatter = new NumberFormatter($numberFormat, NumberFormatter::DECIMAL);
+        $this->assertSame($numberFormat, $formatter->getNumberFormat());
+    }
+
+    /**
+     * @covers ::__construct
+     * @uses \CommerceGuys\Intl\NumberFormat\NumberFormat
+     *
+     * @expectedException         \CommerceGuys\Intl\Exception\InvalidArgumentException
+     * @expectedExceptionMessage  Unknown format style provided to NumberFormatter::__construct().
+     */
+    public function testConstructorWithInvalidStyle()
+    {
+        $numberFormat = new NumberFormat();
+        new NumberFormatter($numberFormat, 'foo');
+    }
+
+    /**
+     * @covers ::format
+     * @covers ::replaceDigits
+     * @covers ::replaceSymbols
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::__construct
+     * @uses \CommerceGuys\Intl\NumberFormat\NumberFormat
+     *
+     * @dataProvider numberValueProvider
+     */
+    public function testFormat($number_format, $style, $value, $expected_value)
+    {
+        $formatter = new NumberFormatter($number_format, $style);
+
+        $formattedNumber = $formatter->format($value);
+        $this->assertSame($expected_value, $formattedNumber);
+    }
+
+    /**
+     * @covers ::SetMinimumFractionDigits
+     * @covers ::SetMaximumFractionDigits
+     * @covers ::format
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::__construct
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::replaceDigits
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::replaceSymbols
+     * @uses \CommerceGuys\Intl\NumberFormat\NumberFormat
+     */
+    public function testFormatFractionDigits()
+    {
+        $numberFormat = $this->createNumberFormat($this->numberFormats['latn']);
+
+        $formatter = new NumberFormatter($numberFormat);
+        $formatter->setMinimumFractionDigits(2);
+        $formattedNumber = $formatter->format('12.5');
+        $this->assertSame('12.50', $formattedNumber);
+
+        $formatter = new NumberFormatter($numberFormat);
+        $formatter->setMaximumFractionDigits(1);
+        $formattedNumber = $formatter->format('12.50');
+        $this->assertSame('12.5', $formattedNumber);
+
+        $formatter = new NumberFormatter($numberFormat);
+        $formatter->setMinimumFractionDigits(4);
+        $formatter->setMaximumFractionDigits(5);
+        $formattedNumber = $formatter->format('12.50000');
+        $this->assertSame('12.5000', $formattedNumber);
+    }
+
+    /**
+     * @covers ::format
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::__construct
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::format
+     * @uses \CommerceGuys\Intl\NumberFormat\NumberFormat
+     *
+     * @expectedException \CommerceGuys\Intl\Exception\InvalidArgumentException
+     */
+    public function testFormatOnlyAllowsNumbers()
+    {
+        $numberFormat = $this->createNumberFormat($this->numberFormats['latn']);
+        $formatter = new NumberFormatter($numberFormat);
+        $formatter->format('a12.34');
+    }
+
+    /**
+     * @covers ::formatCurrency
+     * @covers ::replaceSymbols
+     * @uses \CommerceGuys\Intl\Currency\Currency
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::__construct
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::format
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::replaceDigits
+     * @uses \CommerceGuys\Intl\NumberFormat\NumberFormat
+     *
+     * @dataProvider currencyValueProvider
+     */
+    public function testFormatCurrency($number_format, $currency, $style, $value, $expected_value)
+    {
+        $formatter = new NumberFormatter($number_format, $style);
+
+        $formattedNumber = $formatter->formatCurrency($value, $currency);
+        $this->assertSame($expected_value, $formattedNumber);
+    }
+
+    /**
+     * @covers ::parseCurrency
+     * @uses \CommerceGuys\Intl\Currency\Currency
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::__construct
+     * @uses \CommerceGuys\Intl\NumberFormat\NumberFormat
+     *
+     * @dataProvider formattedCurrencyProvider
+     */
+    public function testParseCurrency($number_format, $currency, $style, $value, $expected_value)
+    {
+        $formatter = new NumberFormatter($number_format, $style);
+
+        $parsedNumber = $formatter->parseCurrency($value, $currency);
+        $this->assertSame($expected_value, $parsedNumber);
+    }
+
+    /**
+     * @covers ::getNumberFormat
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::__construct
+     * @uses \CommerceGuys\Intl\NumberFormat\NumberFormat
+     */
+    public function testGetNumberFormat()
+    {
+        $numberFormat = $this->createNumberFormat($this->numberFormats['latn']);
+        $formatter = new NumberFormatter($numberFormat, NumberFormatter::DECIMAL);
+        $this->assertSame($numberFormat, $formatter->getNumberFormat());
+    }
+
+    /**
+     * @covers ::getMinimumFractionDigits
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::__construct
+     * @uses \CommerceGuys\Intl\NumberFormat\NumberFormat
+     */
+    public function testMinimumFractionDigits()
+    {
+        $numberFormat = $this->createNumberFormat($this->numberFormats['latn']);
+
+        // Defaults to 0 for decimal and percentage formats.
+        $formatter = new NumberFormatter($numberFormat, NumberFormatter::DECIMAL);
+        $this->assertEquals(0, $formatter->getMinimumFractionDigits());
+        $formatter = new NumberFormatter($numberFormat, NumberFormatter::PERCENT);
+        $this->assertEquals(0, $formatter->getMinimumFractionDigits());
+
+        // Should default to null for currency formats.
+        $formatter = new NumberFormatter($numberFormat, NumberFormatter::CURRENCY);
+        $this->assertNull($formatter->getMinimumFractionDigits());
+        $formatter = new NumberFormatter($numberFormat, NumberFormatter::CURRENCY_ACCOUNTING);
+        $this->assertNull($formatter->getMinimumFractionDigits());
+    }
+
+    /**
+     * @covers ::getMaximumFractionDigits
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::__construct
+     * @uses \CommerceGuys\Intl\NumberFormat\NumberFormat
+     */
+    public function testMaximumFractionDigits()
+    {
+        $numberFormat = $this->createNumberFormat($this->numberFormats['latn']);
+
+        // Defaults to 3 for decimal and percentage formats.
+        $formatter = new NumberFormatter($numberFormat, NumberFormatter::DECIMAL);
+        $this->assertEquals(3, $formatter->getMaximumFractionDigits());
+        $formatter = new NumberFormatter($numberFormat, NumberFormatter::PERCENT);
+        $this->assertEquals(3, $formatter->getMaximumFractionDigits());
+
+        // Should default to null for currency formats.
+        $formatter = new NumberFormatter($numberFormat, NumberFormatter::CURRENCY);
+        $this->assertNull($formatter->getMaximumFractionDigits());
+        $formatter = new NumberFormatter($numberFormat, NumberFormatter::CURRENCY_ACCOUNTING);
+        $this->assertNull($formatter->getMaximumFractionDigits());
+    }
+
+    /**
+     * @covers ::isGroupingUsed
+     * @covers ::setGroupingUsed
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::__construct
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::format
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::replaceDigits
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::replaceSymbols
+     * @uses \CommerceGuys\Intl\NumberFormat\NumberFormat
+     */
+    public function testGroupingUsed()
+    {
+        $numberFormat = $this->createNumberFormat($this->numberFormats['latn']);
+
+        // The formatter groups correctly.
+        $formatter = new NumberFormatter($numberFormat, NumberFormatter::DECIMAL);
+        $this->assertTrue($formatter->isGroupingUsed());
+        $this->assertSame('10,000.9', $formatter->format('10000.90'));
+
+        // The formatter respects grouping turned off.
+        $formatter = new NumberFormatter($numberFormat, NumberFormatter::DECIMAL);
+        $formatter->setGroupingUsed(false);
+        $this->assertFalse($formatter->isGroupingUsed());
+        $this->assertSame('10000.9', $formatter->format('10000.90'));
+    }
+
+    /**
+     * @covers ::getCurrencyDisplay
+     * @covers ::setCurrencyDisplay
+     * @covers ::formatCurrency
+     * @uses \CommerceGuys\Intl\Currency\Currency
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::__construct
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::format
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::replaceDigits
+     * @uses \CommerceGuys\Intl\Formatter\NumberFormatter::replaceSymbols
+     * @uses \CommerceGuys\Intl\NumberFormat\NumberFormat
+     */
+    public function testCurrencyDisplay()
+    {
+        $numberFormat = $this->createNumberFormat($this->numberFormats['latn']);
+        $currency = $this->createCurrency($this->currencies['USD']);
+
+        // Currency display defaults to symbol.
+        $formatter = new NumberFormatter($numberFormat, NumberFormatter::CURRENCY);
+        $this->assertSame(NumberFormatter::CURRENCY_DISPLAY_SYMBOL, $formatter->getCurrencyDisplay());
+        $formattedNumber = $formatter->formatCurrency('100', $currency);
+        $this->assertSame('$100.00', $formattedNumber);
+
+        // Currency display respects setting the value to currency code.
+        $formatter = new NumberFormatter($numberFormat, NumberFormatter::CURRENCY);
+        $formatter->setCurrencyDisplay(NumberFormatter::CURRENCY_DISPLAY_CODE);
+        $this->assertSame(NumberFormatter::CURRENCY_DISPLAY_CODE, $formatter->getCurrencyDisplay());
+        $formattedNumber = $formatter->formatCurrency('100', $currency);
+        $this->assertSame('USD100.00', $formattedNumber);
+    }
+
+    /**
+     * Provides the number format, number style, value and expected formatted value.
+     */
+    public function numberValueProvider()
+    {
+        return array(
+            array($this->createNumberFormat($this->numberFormats['latn']), NumberFormatter::DECIMAL, '-50.5', '-50.5'),
+            array($this->createNumberFormat($this->numberFormats['latn']), NumberFormatter::PERCENT, '50.5', '50.5%'),
+            array($this->createNumberFormat($this->numberFormats['latn']), NumberFormatter::DECIMAL, '5000000.5', '5,000,000.5'),
+            array($this->createNumberFormat($this->numberFormats['beng'], 'bn'), NumberFormatter::DECIMAL, '-50.5', '-৫০.৫'),
+            array($this->createNumberFormat($this->numberFormats['beng'], 'bn'), NumberFormatter::PERCENT, '50.5', '৫০.৫%'),
+            array($this->createNumberFormat($this->numberFormats['beng'], 'bn'), NumberFormatter::DECIMAL, '5000000.5', '৫০,০০,০০০.৫')
+        );
+    }
+
+    /**
+     * Provides the number format, currency format, number style, value and expected formatted value.
+     */
+    public function currencyValueProvider()
+    {
+        return array(
+            array($this->createNumberFormat($this->numberFormats['latn']), $this->createCurrency($this->currencies['USD']), NumberFormatter::CURRENCY, '-5.05', '-$5.05'),
+            array($this->createNumberFormat($this->numberFormats['latn']), $this->createCurrency($this->currencies['USD']), NumberFormatter::CURRENCY_ACCOUNTING, '-5.05', '($5.05)'),
+            array($this->createNumberFormat($this->numberFormats['latn']), $this->createCurrency($this->currencies['USD']), NumberFormatter::CURRENCY, '500100.05', '$500,100.05'),
+            array($this->createNumberFormat($this->numberFormats['beng'], 'bn'), $this->createCurrency($this->currencies['BND'], 'bn'), NumberFormatter::CURRENCY, '-50.5', '-৫০.৫০BND'),
+            array($this->createNumberFormat($this->numberFormats['beng'], 'bn'), $this->createCurrency($this->currencies['BND'], 'bn'), NumberFormatter::CURRENCY_ACCOUNTING, '-50.5', '(৫০.৫০BND)'),
+            array($this->createNumberFormat($this->numberFormats['beng'], 'bn'), $this->createCurrency($this->currencies['BND'], 'bn'), NumberFormatter::CURRENCY, '500100.05', '৫,০০,১০০.০৫BND'),
+        );
+    }
+
+    /**
+     * Provides values for the formatted currency parser.
+     */
+    public function formattedCurrencyProvider()
+    {
+        return array(
+            array($this->createNumberFormat($this->numberFormats['latn']), $this->createCurrency($this->currencies['USD']), NumberFormatter::CURRENCY, '$500,100.05', '500100.05'),
+            array($this->createNumberFormat($this->numberFormats['latn']), $this->createCurrency($this->currencies['USD']), NumberFormatter::CURRENCY, '-$1,059.59', '-1059.59'),
+            array($this->createNumberFormat($this->numberFormats['latn']), $this->createCurrency($this->currencies['USD']), NumberFormatter::CURRENCY_ACCOUNTING, '($1,059.59)', '-1059.59'),
+            array($this->createNumberFormat($this->numberFormats['beng'], 'bn'), $this->createCurrency($this->currencies['BND'], 'bn'), NumberFormatter::CURRENCY, '৫,০০,১০০.০৫BND', '500100.05'),
+        );
+    }
+
+    /**
+     * Helper for initiating a new NumberFormat object.
+     */
+    protected function createNumberFormat(array $definition, $locale = 'en')
+    {
+        $default = array(
+            'decimal_separator' => '.',
+            'grouping_separator' => ',',
+            'plus_sign' => '+',
+            'minus_sign' => '-',
+            'percent_sign' => '%'
+        );
+        $format = array_merge($default, $definition);
+
+        $numberFormat = new NumberFormat();
+        $numberFormat->setLocale($locale);
+        $numberFormat->setNumberingSystem($format['numbering_system']);
+        $numberFormat->setDecimalSeparator($format['decimal_separator']);
+        $numberFormat->setGroupingSeparator($format['grouping_separator']);
+        $numberFormat->setPlusSign($format['plus_sign']);
+        $numberFormat->setMinusSign($format['minus_sign']);
+        $numberFormat->setPercentSign($format['percent_sign']);
+        $numberFormat->setDecimalPattern($format['decimal_pattern']);
+        $numberFormat->setPercentPattern($format['percent_pattern']);
+        $numberFormat->setCurrencyPattern($format['currency_pattern']);
+        $numberFormat->setAccountingCurrencyPattern($format['accounting_currency_pattern']);
+
+        return $numberFormat;
+    }
+
+    /**
+     * Helper for initiating a new Currency object.
+     */
+    protected function createCurrency(array $definition, $locale = 'en')
+    {
+        $default = array(
+            'fraction_digits' => 2
+        );
+        $format = array_merge($default, $definition);
+
+        $currency = new Currency();
+        $currency->setCurrencyCode($format['code']);
+        $currency->setName($format['name']);
+        $currency->setNumericCode($format['numeric_code']);
+        $currency->setFractionDigits($format['fraction_digits']);
+        $currency->setSymbol($format['symbol']);
+        $currency->setLocale($locale);
+
+        return $currency;
+    }
+}
diff --git a/library/intl/tests/Language/LanguageRepositoryTest.php b/library/intl/tests/Language/LanguageRepositoryTest.php
new file mode 100644
index 000000000..ea52cbf4c
--- /dev/null
+++ b/library/intl/tests/Language/LanguageRepositoryTest.php
@@ -0,0 +1,92 @@
+<?php
+
+namespace CommerceGuys\Intl\Tests\Language;
+
+use CommerceGuys\Intl\Language\LanguageRepository;
+use org\bovigo\vfs\vfsStream;
+
+/**
+ * @coversDefaultClass \CommerceGuys\Intl\Language\LanguageRepository
+ */
+class LanguageRepositoryTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * English language definitions.
+     *
+     * @var array
+     */
+    protected $englishDefinitions = array(
+        'en' => array(
+            'code' => 'en',
+            'name' => 'English',
+        ),
+        'fr' => array(
+            'code' => 'fr',
+            'name' => 'French',
+        ),
+    );
+
+    /**
+     * @covers ::__construct
+     */
+    public function testConstructor()
+    {
+        // Mock the existence of JSON definitions on the filesystem.
+        $root = vfsStream::setup('resources');
+        vfsStream::newFile('language/en.json')->at($root)->setContent(json_encode($this->englishDefinitions));
+
+        // Instantiate the language repository and confirm that the definition path
+        // was properly set.
+        $languageRepository = new LanguageRepository('vfs://resources/language/');
+        $definitionPath = $this->getObjectAttribute($languageRepository, 'definitionPath');
+        $this->assertEquals('vfs://resources/language/', $definitionPath);
+
+        return $languageRepository;
+    }
+
+    /**
+     * @covers ::get
+     * @covers ::loadDefinitions
+     * @covers ::createLanguageFromDefinition
+     * @uses \CommerceGuys\Intl\Language\Language
+     * @uses \CommerceGuys\Intl\LocaleResolverTrait
+     * @depends testConstructor
+     */
+    public function testGet($languageRepository)
+    {
+        $language = $languageRepository->get('en');
+        $this->assertInstanceOf('CommerceGuys\\Intl\\Language\\Language', $language);
+        $this->assertEquals('en', $language->getLanguageCode());
+        $this->assertEquals('English', $language->getName());
+        $this->assertEquals('en', $language->getLocale());
+    }
+
+    /**
+     * @covers ::get
+     * @covers ::loadDefinitions
+     * @uses \CommerceGuys\Intl\LocaleResolverTrait
+     * @expectedException \CommerceGuys\Intl\Exception\UnknownLanguageException
+     * @depends testConstructor
+     */
+    public function testGetInvalidLanguage($languageRepository)
+    {
+      $languageRepository->get('de');
+    }
+
+    /**
+     * @covers ::getAll
+     * @covers ::loadDefinitions
+     * @covers ::createLanguageFromDefinition
+     * @uses \CommerceGuys\Intl\Language\Language
+     * @uses \CommerceGuys\Intl\LocaleResolverTrait
+     * @depends testConstructor
+     */
+    public function testGetAll($languageRepository)
+    {
+        $languages = $languageRepository->getAll();
+        $this->assertArrayHasKey('en', $languages);
+        $this->assertArrayHasKey('fr', $languages);
+        $this->assertEquals('en', $languages['en']->getLanguageCode());
+        $this->assertEquals('fr', $languages['fr']->getLanguageCode());
+    }
+}
diff --git a/library/intl/tests/Language/LanguageTest.php b/library/intl/tests/Language/LanguageTest.php
new file mode 100644
index 000000000..037483c88
--- /dev/null
+++ b/library/intl/tests/Language/LanguageTest.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace CommerceGuys\Intl\Tests\Language;
+
+use CommerceGuys\Intl\Language\Language;
+
+/**
+ * @coversDefaultClass \CommerceGuys\Intl\Language\Language
+ */
+class LanguageTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var Language
+     */
+    protected $language;
+
+    public function setUp()
+    {
+        $this->language = new Language();
+    }
+
+    /**
+     * @covers ::getLanguageCode
+     * @covers ::setLanguageCode
+     * @covers ::__toString
+     */
+    public function testLanguageCode()
+    {
+        $this->language->setLanguageCode('en');
+        $this->assertEquals('en', $this->language->getLanguageCode());
+        $this->assertEquals('en', (string) $this->language);
+    }
+
+    /**
+     * @covers ::getName
+     * @covers ::setName
+     */
+    public function testName()
+    {
+        $this->language->setName('English');
+        $this->assertEquals('English', $this->language->getName());
+    }
+
+    /**
+     * @covers ::getLocale
+     * @covers ::setLocale
+     */
+    public function testLocale()
+    {
+        $this->language->setLocale('en');
+        $this->assertEquals('en', $this->language->getLocale());
+    }
+}
diff --git a/library/intl/tests/LocaleResolverTest.php b/library/intl/tests/LocaleResolverTest.php
new file mode 100644
index 000000000..a52dea353
--- /dev/null
+++ b/library/intl/tests/LocaleResolverTest.php
@@ -0,0 +1,51 @@
+<?php
+
+namespace CommerceGuys\Intl\Tests;
+
+use org\bovigo\vfs\vfsStream;
+
+/**
+ * @coversDefaultClass \CommerceGuys\Intl\LocaleResolverTrait
+ */
+class LocaleResolverTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var DummyRepository
+     */
+    protected $repository;
+
+    public function setUp()
+    {
+        // Simulate the presence of various definitions.
+        $root = vfsStream::setup('resources');
+        vfsStream::newFile('dummy/bs-Cyrl.json')->at($root)->setContent('');
+        vfsStream::newFile('dummy/bs.json')->at($root)->setContent('');
+        vfsStream::newFile('dummy/en.json')->at($root)->setContent('');
+
+        $this->repository = new DummyRepository();
+    }
+
+    /**
+     * @covers ::resolveLocale
+     * @covers ::getLocaleVariants
+     */
+    public function testLocaleFallback()
+    {
+        $locale = $this->repository->runResolveLocale('bs-Cyrl-BA');
+        $this->assertEquals('bs-Cyrl', $locale);
+        $locale = $this->repository->runResolveLocale('bs-Latn-BA');
+        $this->assertEquals('bs', $locale);
+        $locale = $this->repository->runResolveLocale('de', 'en');
+        $this->assertEquals('en', $locale);
+    }
+
+    /**
+     * @covers ::resolveLocale
+     * @covers ::getLocaleVariants
+     * @expectedException \CommerceGuys\Intl\Exception\UnknownLocaleException
+     */
+    public function testInvalidLocale()
+    {
+        $locale = $this->repository->runResolveLocale('de');
+    }
+}
diff --git a/library/intl/tests/NumberFormat/NumberFormatRepositoryTest.php b/library/intl/tests/NumberFormat/NumberFormatRepositoryTest.php
new file mode 100644
index 000000000..41e45805d
--- /dev/null
+++ b/library/intl/tests/NumberFormat/NumberFormatRepositoryTest.php
@@ -0,0 +1,69 @@
+<?php
+
+namespace CommerceGuys\Intl\Tests\NumberFormat;
+
+use CommerceGuys\Intl\NumberFormat\NumberFormatRepository;
+use org\bovigo\vfs\vfsStream;
+
+/**
+ * @coversDefaultClass \CommerceGuys\Intl\NumberFormat\NumberFormatRepository
+ */
+class NumberFormatRepositoryTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * English number format definition.
+     *
+     * @var array
+     */
+    protected $englishDefinition = array(
+        'numbering_system' => 'latn',
+        'decimal_pattern' => '#,##0.###',
+        'percent_pattern' => '#,##0%',
+        'currency_pattern' => '¤#,##0.00',
+        'accounting_currency_pattern' => '¤#,##0.00;(¤#,##0.00)',
+    );
+
+    /**
+     * @covers ::__construct
+     */
+    public function testConstructor()
+    {
+        // Mock the existence of JSON definitions on the filesystem.
+        $root = vfsStream::setup('resources');
+        vfsStream::newFile('number_format/en.json')->at($root)->setContent(json_encode($this->englishDefinition));
+
+        // Instantiate the number format repository and confirm that the definition
+        // path was properly set.
+        $numberFormatRepository = new NumberFormatRepository('vfs://resources/number_format/');
+        $definitionPath = $this->getObjectAttribute($numberFormatRepository, 'definitionPath');
+        $this->assertEquals('vfs://resources/number_format/', $definitionPath);
+
+        return $numberFormatRepository;
+    }
+
+    /**
+     * @covers ::get
+     * @covers ::createNumberFormatFromDefinition
+     * @uses \CommerceGuys\Intl\NumberFormat\NumberFormat
+     * @uses \CommerceGuys\Intl\LocaleResolverTrait
+     * @depends testConstructor
+     */
+    public function testGet($numberFormatRepository)
+    {
+        $numberFormat = $numberFormatRepository->get('en');
+        $this->assertInstanceOf('CommerceGuys\\Intl\\NumberFormat\\NumberFormat', $numberFormat);
+        $this->assertEquals('en', $numberFormat->getLocale());
+        $this->assertEquals('latn', $numberFormat->getNumberingSystem());
+        $this->assertEquals('.', $numberFormat->getDecimalSeparator());
+        $this->assertEquals(',', $numberFormat->getGroupingSeparator());
+        $this->assertEquals('+', $numberFormat->getPlusSign());
+        $this->assertEquals('-', $numberFormat->getMinusSign());
+        $this->assertEquals('%', $numberFormat->getPercentSign());
+        $this->assertEquals('#,##0.###', $numberFormat->getDecimalPattern());
+        $this->assertEquals('#,##0%', $numberFormat->getPercentPattern());
+        $this->assertEquals('¤#,##0.00', $numberFormat->getCurrencyPattern());
+        $this->assertEquals('¤#,##0.00;(¤#,##0.00)', $numberFormat->getAccountingCurrencyPattern());
+
+        return $numberFormat;
+    }
+}
diff --git a/library/intl/tests/NumberFormat/NumberFormatTest.php b/library/intl/tests/NumberFormat/NumberFormatTest.php
new file mode 100644
index 000000000..299dc41cb
--- /dev/null
+++ b/library/intl/tests/NumberFormat/NumberFormatTest.php
@@ -0,0 +1,131 @@
+<?php
+
+namespace CommerceGuys\Intl\Tests\NumberFormat;
+
+use CommerceGuys\Intl\NumberFormat\NumberFormat;
+
+/**
+ * @coversDefaultClass CommerceGuys\Intl\NumberFormat\NumberFormat
+ */
+class NumberFormatTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var NumberFormat
+     */
+    protected $numberFormat;
+
+    public function setUp()
+    {
+        $this->numberFormat = new NumberFormat();
+    }
+
+    /**
+     * @covers ::getLocale
+     * @covers ::setLocale
+     */
+    public function testLocale()
+    {
+        $this->numberFormat->setLocale('en');
+        $this->assertEquals('en', $this->numberFormat->getLocale());
+    }
+
+    /**
+     * @covers ::getNumberingSystem
+     * @covers ::setNumberingSystem
+     */
+    public function testNumberingSystem()
+    {
+        $this->numberFormat->setNumberingSystem('latn');
+        $this->assertEquals('latn', $this->numberFormat->getNumberingSystem());
+    }
+
+    /**
+     * @covers ::getDecimalSeparator
+     * @covers ::setDecimalSeparator
+     */
+    public function testDecimalSeparator()
+    {
+        $this->numberFormat->setDecimalSeparator('.');
+        $this->assertEquals('.', $this->numberFormat->getDecimalSeparator());
+    }
+
+    /**
+     * @covers ::getGroupingSeparator
+     * @covers ::setGroupingSeparator
+     */
+    public function testGroupingSeparator()
+    {
+        $this->numberFormat->setGroupingSeparator(',');
+        $this->assertEquals(',', $this->numberFormat->getGroupingSeparator());
+    }
+
+    /**
+     * @covers ::getPlusSign
+     * @covers ::setPlusSign
+     */
+    public function testPlusSign()
+    {
+        $this->numberFormat->setPlusSign('+');
+        $this->assertEquals('+', $this->numberFormat->getPlusSign());
+    }
+
+    /**
+     * @covers ::getMinusSign
+     * @covers ::setMinusSign
+     */
+    public function testMinusSign()
+    {
+        $this->numberFormat->setMinusSign('-');
+        $this->assertEquals('-', $this->numberFormat->getMinusSign());
+    }
+
+    /**
+     * @covers ::getPercentSign
+     * @covers ::setPercentSign
+     */
+    public function testPercentSign()
+    {
+        $this->numberFormat->setPercentSign('%');
+        $this->assertEquals('%', $this->numberFormat->getPercentSign());
+    }
+
+    /**
+     * @covers ::getDecimalPattern
+     * @covers ::setDecimalPattern
+     */
+    public function testDecimalPattern()
+    {
+        $this->numberFormat->setDecimalPattern('#,##0.###');
+        $this->assertEquals('#,##0.###', $this->numberFormat->getDecimalPattern());
+    }
+
+    /**
+     * @covers ::getPercentPattern
+     * @covers ::setPercentPattern
+     */
+    public function testPercentPattern()
+    {
+        $this->numberFormat->setPercentPattern('#,##0%');
+        $this->assertEquals('#,##0%', $this->numberFormat->getPercentPattern());
+    }
+
+    /**
+     * @covers ::getCurrencyPattern
+     * @covers ::setCurrencyPattern
+     */
+    public function testCurrencyPattern()
+    {
+        $this->numberFormat->setCurrencyPattern('¤#,##0.00');
+        $this->assertEquals('¤#,##0.00', $this->numberFormat->getCurrencyPattern());
+    }
+
+    /**
+     * @covers ::getAccountingCurrencyPattern
+     * @covers ::setAccountingCurrencyPattern
+     */
+    public function testAccountingCurrencyPattern()
+    {
+        $this->numberFormat->setAccountingCurrencyPattern('¤#,##0.00;(¤#,##0.00)');
+        $this->assertEquals('¤#,##0.00;(¤#,##0.00)', $this->numberFormat->getAccountingCurrencyPattern());
+    }
+}