"use strict"; const DEFAULT_THEME_BG_COLOR = "rgb(255, 255, 255)"; const DEFAULT_THEME_TEXT_COLOR = "rgb(0, 0, 0)"; add_task(async function test_deprecated_LWT_properties_ignored() { // This test uses deprecated theme properties, so warnings are expected. ExtensionTestUtils.failOnSchemaWarnings(false); let extension = ExtensionTestUtils.loadExtension({ manifest: { theme: { images: { headerURL: "image1.png", }, colors: { accentcolor: ACCENT_COLOR, textcolor: TEXT_COLOR, }, }, }, files: { "image1.png": BACKGROUND, }, }); await extension.startup(); let docEl = window.document.documentElement; let docStyle = window.getComputedStyle(docEl); Assert.ok(docEl.hasAttribute("lwtheme"), "LWT attribute should be set"); Assert.ok( !docEl.hasAttribute("lwtheme-image"), "LWT image attribute should not be set on deprecated headerURL alias" ); Assert.ok( !docEl.getAttribute("lwtheme-brighttext"), "LWT text color attribute should not be set on deprecated textcolor alias" ); Assert.equal( getToolboxBackgroundColor(), DEFAULT_THEME_BG_COLOR, "Expected default theme background color" ); Assert.equal( docStyle.color, DEFAULT_THEME_TEXT_COLOR, "Expected default theme text color" ); await extension.unload(); Assert.ok(!docEl.hasAttribute("lwtheme"), "LWT attribute should not be set"); });