diff --git a/src/Symfony/Component/Intl/Tests/CurrenciesTest.php b/src/Symfony/Component/Intl/Tests/CurrenciesTest.php
index 1f1a4e567b7a8..dff4c157cda81 100644
--- a/src/Symfony/Component/Intl/Tests/CurrenciesTest.php
+++ b/src/Symfony/Component/Intl/Tests/CurrenciesTest.php
@@ -772,6 +772,20 @@ public function testForNumericCodeFailsIfInvalidNumericCode($currency)
         Currencies::forNumericCode($currency);
     }
 
+    /**
+     * @expectedException \Symfony\Component\Intl\Exception\MissingResourceException
+     */
+    public function testGetNameWithInvalidCurrencyCode()
+    {
+        Currencies::getName('foo');
+    }
+
+    public function testExists()
+    {
+        $this->assertTrue(Currencies::exists('EUR'));
+        $this->assertFalse(Currencies::exists('XXX'));
+    }
+
     private function getNumericToAlpha3Mapping()
     {
         $numericToAlpha3 = [];
diff --git a/src/Symfony/Component/Intl/Tests/LanguagesTest.php b/src/Symfony/Component/Intl/Tests/LanguagesTest.php
index 6fa059b29445a..74610076ceee9 100644
--- a/src/Symfony/Component/Intl/Tests/LanguagesTest.php
+++ b/src/Symfony/Component/Intl/Tests/LanguagesTest.php
@@ -915,4 +915,18 @@ public function testGetAlpha3CodeFailsIfNoAlpha3Equivalent($language)
     {
         Languages::getAlpha3Code($language);
     }
+
+    /**
+     * @expectedException \Symfony\Component\Intl\Exception\MissingResourceException
+     */
+    public function testGetNameWithInvalidLanguageCode()
+    {
+        Languages::getName('foo');
+    }
+
+    public function testExists()
+    {
+        $this->assertTrue(Languages::exists('nl'));
+        $this->assertFalse(Languages::exists('zxx'));
+    }
 }
diff --git a/src/Symfony/Component/Intl/Tests/LocalesTest.php b/src/Symfony/Component/Intl/Tests/LocalesTest.php
index e7ffbd2ca9a42..18bd2d9ccf8c6 100644
--- a/src/Symfony/Component/Intl/Tests/LocalesTest.php
+++ b/src/Symfony/Component/Intl/Tests/LocalesTest.php
@@ -84,4 +84,18 @@ public function testGetNameDefaultLocale()
             $this->assertSame($name, Locales::getName($locale));
         }
     }
+
+    /**
+     * @expectedException \Symfony\Component\Intl\Exception\MissingResourceException
+     */
+    public function testGetNameWithInvalidLocale()
+    {
+        Locales::getName('foo');
+    }
+
+    public function testExists()
+    {
+        $this->assertTrue(Locales::exists('nl_NL'));
+        $this->assertFalse(Locales::exists('zxx_ZZ'));
+    }
 }
diff --git a/src/Symfony/Component/Intl/Tests/RegionsTest.php b/src/Symfony/Component/Intl/Tests/RegionsTest.php
index 80d4ca98bf638..a00245a5f5947 100644
--- a/src/Symfony/Component/Intl/Tests/RegionsTest.php
+++ b/src/Symfony/Component/Intl/Tests/RegionsTest.php
@@ -343,4 +343,18 @@ public function testLocaleAliasesAreLoaded()
         $this->assertSame($countryNameZhTw, $countryNameHantZhTw, 'zh_TW is an alias to zh_Hant_TW');
         $this->assertNotSame($countryNameZh, $countryNameZhTw, 'zh_TW does not fall back to zh');
     }
+
+    /**
+     * @expectedException \Symfony\Component\Intl\Exception\MissingResourceException
+     */
+    public function testGetNameWithInvalidRegionCode()
+    {
+        Regions::getName('foo');
+    }
+
+    public function testExists()
+    {
+        $this->assertTrue(Regions::exists('NL'));
+        $this->assertFalse(Regions::exists('ZZ'));
+    }
 }
diff --git a/src/Symfony/Component/Intl/Tests/ScriptsTest.php b/src/Symfony/Component/Intl/Tests/ScriptsTest.php
index 5b404fda85aaa..71ca1a0031374 100644
--- a/src/Symfony/Component/Intl/Tests/ScriptsTest.php
+++ b/src/Symfony/Component/Intl/Tests/ScriptsTest.php
@@ -274,4 +274,18 @@ public function testGetNameDefaultLocale()
             $this->assertSame($name, Scripts::getName($script));
         }
     }
+
+    /**
+     * @expectedException \Symfony\Component\Intl\Exception\MissingResourceException
+     */
+    public function testGetNameWithInvalidScriptCode()
+    {
+        Scripts::getName('foo');
+    }
+
+    public function testExists()
+    {
+        $this->assertTrue(Scripts::exists('Hans'));
+        $this->assertTrue(Scripts::exists('Zzzz'));
+    }
 }
diff --git a/src/Symfony/Component/Intl/Tests/TimezonesTest.php b/src/Symfony/Component/Intl/Tests/TimezonesTest.php
index 021364b777a81..dd0c7e00f3466 100644
--- a/src/Symfony/Component/Intl/Tests/TimezonesTest.php
+++ b/src/Symfony/Component/Intl/Tests/TimezonesTest.php
@@ -515,4 +515,18 @@ public function testGetNameDefaultLocale()
             $this->assertSame($name, Timezones::getName($language));
         }
     }
+
+    /**
+     * @expectedException \Symfony\Component\Intl\Exception\MissingResourceException
+     */
+    public function testGetNameWithInvalidTimezoneId()
+    {
+        Timezones::getName('foo');
+    }
+
+    public function testExists()
+    {
+        $this->assertTrue(Timezones::exists('Europe/Amsterdam'));
+        $this->assertFalse(Timezones::exists('Etc/Unknown'));
+    }
 }