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Diffstat (limited to '')
-rw-r--r-- | widget/tests/browser/browser_test_scrollbar_colors.js | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/widget/tests/browser/browser_test_scrollbar_colors.js b/widget/tests/browser/browser_test_scrollbar_colors.js new file mode 100644 index 0000000000..2152412071 --- /dev/null +++ b/widget/tests/browser/browser_test_scrollbar_colors.js @@ -0,0 +1,146 @@ +/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */ +/* vim: set sts=2 sw=2 et tw=80: */ + +"use strict"; + +add_task(async () => { + const URL_ROOT = getRootDirectory(gTestPath).replace( + "chrome://mochitests/content/", + "http://mochi.test:8888/" + ); + + const tab = await BrowserTestUtils.openNewForegroundTab( + gBrowser, + URL_ROOT + "helper_scrollbar_colors.html" + ); + + await SpecialPowers.spawn(tab.linkedBrowser, [], () => { + ChromeUtils.defineESModuleGetters(this, { + WindowsVersionInfo: + "resource://gre/modules/components-utils/WindowsVersionInfo.sys.mjs", + }); + + Services.scriptloader.loadSubScript( + "chrome://mochikit/content/tests/SimpleTest/WindowSnapshot.js", + this + ); + + // == Native theme == + + const WIN_REFERENCES = [ + // Yellow background + ["255,255,0", 6889], + // Blue scrollbar face + ["0,0,255", 540], + // Cyan scrollbar track + ["0,255,255", 2487], + ]; + + const MAC_REFERENCES = [ + // Yellow background + ["255,255,0", 7225], + // Blue scrollbar face + ["0,0,255", 416], + // Cyan scrollbar track + ["0,255,255", 1760], + ]; + + // Values have been updated from 8100, 720, 1180 for linux1804 + const LINUX_REFERENCES = [ + // Yellow background + ["255,255,0", 7744], + // Blue scrollbar face + ["0,0,255", 1104], + // Cyan scrollbar track + ["0,255,255", 1152], + ]; + + // == Non-native theme == + + const WIN10_NNT_REFERENCES = [ + // Yellow background + ["255,255,0", 6889], + // Blue scrollbar face + ["0,0,255", 612], + // Cyan scrollbar track + ["0,255,255", 2355], + ]; + + const WIN11_NNT_REFERENCES = [ + // Yellow background + ["255,255,0", 6889], + // Blue scrollbar face + ["0,0,255", 324], + // Cyan scrollbar track + ["0,255,255", 2787], + ]; + + const MAC_NNT_REFERENCES = MAC_REFERENCES; + + const LINUX_NNT_REFERENCES = [ + // Yellow background + ["255,255,0", 7744], + // Blue scrollbar face + ["0,0,255", 368], + // Cyan scrollbar track + ["0,255,255", 1852], + ]; + + function countPixels(canvas) { + let result = new Map(); + let ctx = canvas.getContext("2d"); + let image = ctx.getImageData(0, 0, canvas.width, canvas.height); + let data = image.data; + let size = image.width * image.height; + for (let i = 0; i < size; i++) { + let key = data.subarray(i * 4, i * 4 + 3).toString(); + let value = result.get(key); + value = value ? value : 0; + result.set(key, value + 1); + } + return result; + } + + let outer = content.document.querySelector(".outer"); + let outerRect = outer.getBoundingClientRect(); + if ( + outerRect.width == outer.clientWidth && + outerRect.height == outer.clientHeight + ) { + ok(true, "Using overlay scrollbar, skip this test"); + return; + } + content.document.querySelector("#style").textContent = ` + .outer { scrollbar-color: blue cyan; } + `; + + let canvas = snapshotRect(content.window, outerRect); + let stats = countPixels(canvas); + let isNNT = SpecialPowers.getBoolPref("widget.non-native-theme.enabled"); + + let references; + if (content.navigator.platform.startsWith("Win")) { + if (!isNNT) { + references = WIN_REFERENCES; + } else if (WindowsVersionInfo.get().buildNumber >= 22000) { + // Windows 11 NNT + references = WIN11_NNT_REFERENCES; + } else { + // Windows 10 NNT + references = WIN10_NNT_REFERENCES; + } + } else if (content.navigator.platform.startsWith("Mac")) { + references = isNNT ? MAC_NNT_REFERENCES : MAC_REFERENCES; + } else if (content.navigator.platform.startsWith("Linux")) { + references = isNNT ? LINUX_NNT_REFERENCES : LINUX_REFERENCES; + } else { + ok(false, "Unsupported platform"); + } + for (let [color, count] of references) { + let value = stats.get(color); + is(value, count, `Pixel count of color ${color}`); + } + }); + + BrowserTestUtils.removeTab(tab); +}); |