9 uses of LANGUAGE_LTR

CascadingStylesheetsTestCase::testAlter in drupal/modules/simpletest/tests/common.test
Tests Locale module's CSS Alter to include RTL overrides.
DateTimeFunctionalTest::testDateFormatStorage in drupal/modules/system/system.test
Test if the date formats are stored properly.
DrupalHTTPRequestTestCase::testDrupalHTTPRequestHeaders in drupal/modules/simpletest/tests/common.test
Tests Content-language headers generated by Drupal.
FormatDateUnitTest::testFormatDate in drupal/modules/simpletest/tests/common.test
Tests for the format_date() function.
install_import_locales in drupal/includes/install.core.inc
Imports languages via a batch process during installation.
LocaleMultilingualFieldsFunctionalTest::setUp in drupal/modules/locale/locale.test
Sets up a Drupal site for running functional and integration tests.
LocaleUILanguageNegotiationTest::testLanguageDomain in drupal/modules/locale/locale.test
Tests url() when separate domains are used for multiple languages.
LocaleUninstallFunctionalTest::testUninstallProcess in drupal/modules/locale/locale.test
Check if the values of the Locale variables are correct after uninstall.
locale_add_language in drupal/includes/locale.inc
API function to add a language.