16 string references to theme.initialization

ElementInfoIntegrationTest::testElementInfoByTheme in core/tests/Drupal/KernelTests/Core/Render/ElementInfoIntegrationTest.php
Ensures that the element info can be altered by themes.
LibraryDiscoveryIntegrationTest::activateTheme in core/tests/Drupal/KernelTests/Core/Asset/LibraryDiscoveryIntegrationTest.php
Activates a specified theme.
RegistryLegacyTest::testMultipleSubThemes in core/tests/Drupal/KernelTests/Core/Theme/RegistryLegacyTest.php
Tests the theme registry with theme functions and multiple subthemes.
RegistryLegacyTest::testRegistryConstructorParameters in core/tests/Drupal/KernelTests/Core/Theme/RegistryLegacyTest.php
Tests the order of registry parameters.
RegistryLegacyTest::testSuggestionPreprocessFunctions in core/tests/Drupal/KernelTests/Core/Theme/RegistryLegacyTest.php
Tests the theme registry with theme functions with suggestions.
RegistryTest::testMultipleSubThemes in core/tests/Drupal/KernelTests/Core/Theme/RegistryTest.php
Tests the theme registry with multiple subthemes.
RegistryTest::testSuggestionPreprocessFunctions in core/tests/Drupal/KernelTests/Core/Theme/RegistryTest.php
Tests the theme registry with suggestions.
RegistryTest::testThemeRegistryAlterByTheme in core/tests/Drupal/KernelTests/Core/Theme/RegistryTest.php
Tests that the theme registry can be altered by themes.
RegistryTest::testThemeTemplatesRegisteredByModules in core/tests/Drupal/KernelTests/Core/Theme/RegistryTest.php
Tests theme-provided templates that are registered by modules.
ResolvedLibraryDefinitionsFilesMatchTest::setUp in core/tests/Drupal/KernelTests/Core/Asset/ResolvedLibraryDefinitionsFilesMatchTest.php
Stable9LibraryOverrideTest::setUp in core/tests/Drupal/KernelTests/Core/Theme/Stable9LibraryOverrideTest.php
Stable9TemplateOverrideTest::testStable9TemplateOverrides in core/tests/Drupal/KernelTests/Core/Theme/Stable9TemplateOverrideTest.php
Ensures that Stable 9 overrides all relevant core templates.
StableLibraryOverrideTest::setUp in core/tests/Drupal/KernelTests/Core/Theme/StableLibraryOverrideTest.php
StableTemplateOverrideTest::testStableTemplateOverrides in core/tests/Drupal/KernelTests/Core/Theme/StableTemplateOverrideTest.php
Ensures that Stable overrides all relevant core templates.
ThemeSettingsForm::buildForm in core/modules/system/src/Form/ThemeSettingsForm.php
_drupal_maintenance_theme in core/includes/theme.maintenance.inc
Sets up the theming system for maintenance page.

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