9 uses of LANGUAGE_LTR in Drupal 7

CascadingStylesheetsTestCase::testAlter in modules/simpletest/tests/common.test

Tests Locale module's CSS Alter to include RTL overrides.

DateTimeFunctionalTest::testDateFormatStorage in modules/system/system.test

Test if the date formats are stored properly.

DrupalHTTPRequestTestCase::testDrupalHTTPRequestHeaders in modules/simpletest/tests/common.test

Tests Content-language headers generated by Drupal.

FormatDateUnitTest::testFormatDate in modules/simpletest/tests/common.test

Tests for the format_date() function.

install_import_locales in includes/install.core.inc

Imports languages via a batch process during installation.

LocaleMultilingualFieldsFunctionalTest::setUp in modules/locale/locale.test

Sets up a Drupal site for running functional and integration tests.

LocaleUILanguageNegotiationTest::testLanguageDomain in modules/locale/locale.test

Tests url() when separate domains are used for multiple languages.

LocaleUninstallFunctionalTest::testUninstallProcess in modules/locale/locale.test

Check if the values of the Locale variables are correct after uninstall.

locale_add_language in includes/locale.inc

API function to add a language.