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Unified Diff: third_party/WebKit/LayoutTests/fast/canvas/webgl/context-lost-restored.html

Issue 1601093008: Remove duplicated WebGL layout tests. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 11 months ago
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Index: third_party/WebKit/LayoutTests/fast/canvas/webgl/context-lost-restored.html
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/webgl/context-lost-restored.html b/third_party/WebKit/LayoutTests/fast/canvas/webgl/context-lost-restored.html
deleted file mode 100644
index 906ea435f0c828265833c7d69c48d7bb8e094dc9..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/fast/canvas/webgl/context-lost-restored.html
+++ /dev/null
@@ -1,207 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-<script src="../../../resources/js-test.js"></script>
-<script src="resources/webgl-test.js"></script>
-<script src="resources/webgl-test-utils.js"></script>
-<script>
-if (window.internals)
- window.internals.settings.setWebGLErrorsToConsoleEnabled(false);
-
-var wtu = WebGLTestUtils;
-var canvas;
-var gl;
-var shouldGenerateGLError;
-var extension;
-var bufferObjects;
-var program;
-var texture;
-var texColor = [255, 10, 20, 255];
-var allowRestore;
-var contextLostEventFired;
-var contextRestoredEventFired;
-
-function init()
-{
- if (window.initNonKhronosFramework) {
- window.initNonKhronosFramework(true);
- }
-
- description("Tests behavior under a restored context.");
-
- shouldGenerateGLError = wtu.shouldGenerateGLError;
- testLosingContext();
-}
-
-function setupTest()
-{
- canvas = document.createElement("canvas");
- canvas.width = 1;
- canvas.height = 1;
- gl = wtu.create3DContext(canvas);
- extension = gl.getExtension("WEBGL_lose_context");
- if (!extension) {
- debug("Could not find lose_context extension under the following names: WEBGL_lose_context");
- return false;
- }
- return true;
-}
-
-function testLosingContext()
-{
- if (!setupTest())
- finishTest();
-
- debug("Test losing a context and inability to restore it.");
-
- canvas.addEventListener("webglcontextlost", function(e) {
- testLostContext(e);
- // restore the context after this event has exited.
- setTimeout(function() {
- // we didn't call prevent default so we should not be able to restore the context
- shouldGenerateGLError(gl, gl.INVALID_OPERATION, "extension.restoreContext()");
- testLosingAndRestoringContext();
- }, 0);
- });
- canvas.addEventListener("webglcontextrestored", testShouldNotRestoreContext);
- allowRestore = false;
- contextLostEventFired = false;
- contextRestoredEventFired = false;
-
- testOriginalContext();
- extension.loseContext();
- // The context should be lost immediately.
- shouldBeTrue("gl.isContextLost()");
- shouldBe("gl.getError()", "gl.CONTEXT_LOST_WEBGL");
- shouldBe("gl.getError()", "gl.NO_ERROR");
- // gl methods should be no-ops
- shouldGenerateGLError(gl, gl.NO_ERROR, "gl.blendFunc(gl.TEXTURE_2D, gl.TEXTURE_CUBE_MAP)");
- // but the event should not have been fired.
- shouldBeFalse("contextLostEventFired");
-}
-
-function testLosingAndRestoringContext()
-{
- if (!setupTest())
- finishTest();
-
- debug("");
- debug("Test losing and restoring a context.");
-
- canvas.addEventListener("webglcontextlost", function(e) {
- testLostContext(e);
- // restore the context after this event has exited.
- setTimeout(function() {
- shouldGenerateGLError(gl, gl.NO_ERROR, "extension.restoreContext()");
- // The context should still be lost. It will not get restored until the
- // webglrestorecontext event is fired.
- shouldBeTrue("gl.isContextLost()");
- shouldBe("gl.getError()", "gl.NO_ERROR");
- // gl methods should still be no-ops
- shouldGenerateGLError(gl, gl.NO_ERROR, "gl.blendFunc(gl.TEXTURE_2D, gl.TEXTURE_CUBE_MAP)");
- }, 0);
- });
- canvas.addEventListener("webglcontextrestored", function() {
- testRestoredContext();
- finishTest();
- });
- allowRestore = true;
- contextLostEventFired = false;
- contextRestoredEventFired = false;
-
- testOriginalContext();
- extension.loseContext();
- // The context should be lost immediately.
- shouldBeTrue("gl.isContextLost()");
- shouldBe("gl.getError()", "gl.CONTEXT_LOST_WEBGL");
- shouldBe("gl.getError()", "gl.NO_ERROR");
- // gl methods should be no-ops
- shouldGenerateGLError(gl, gl.NO_ERROR, "gl.blendFunc(gl.TEXTURE_2D, gl.TEXTURE_CUBE_MAP)");
- // but the event should not have been fired.
- shouldBeFalse("contextLostEventFired");
-}
-
-function testRendering()
-{
- gl.clearColor(0, 0, 0, 255);
- gl.colorMask(1, 1, 1, 0);
- gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
-
- program = wtu.setupSimpleTextureProgram(gl);
- bufferObjects = wtu.setupUnitQuad(gl);
- texture = wtu.createColoredTexture(gl, canvas.width, canvas.height, texColor);
-
- gl.uniform1i(gl.getUniformLocation(program, "tex"), 0);
- wtu.drawQuad(gl, [0, 0, 0, 255]);
-
- var compare = texColor.slice(0, 3);
- wtu.checkCanvasRect(gl, 0, 0, canvas.width, canvas.height, compare, "shouldBe " + compare);
-
- shouldBe("gl.getError()", "gl.NO_ERROR");
-}
-
-function testOriginalContext()
-{
- debug("Test valid context");
- shouldBeFalse("gl.isContextLost()");
- shouldBe("gl.getError()", "gl.NO_ERROR");
- testRendering();
- debug("");
-}
-
-function testLostContext(e)
-{
- debug("Test lost context");
- shouldBeFalse("contextLostEventFired");
- contextLostEventFired = true;
- shouldBeTrue("gl.isContextLost()");
- shouldBe("gl.getError()", "gl.NO_ERROR");
- debug("");
- if (allowRestore)
- e.preventDefault();
-}
-
-function testShouldNotRestoreContext(e)
-{
- testFailed("Should not restore the context unless preventDefault is called on the context lost event");
- debug("");
-}
-
-function testResources(expected)
-{
- var tests = [
- "gl.bindTexture(gl.TEXTURE_2D, texture)",
- "gl.useProgram(program)",
- "gl.bindBuffer(gl.ARRAY_BUFFER, bufferObjects[0])",
- ];
-
- for (var i = 0; i < tests.length; ++i)
- shouldGenerateGLError(gl, expected, tests[i]);
-}
-
-function testRestoredContext()
-{
- debug("Test restored context");
- shouldBeFalse("contextRestoredEventFired");
- contextRestoredEventFired = true;
- shouldBeFalse("gl.isContextLost()");
- shouldBe("gl.getError()", "gl.NO_ERROR");
-
- // Validate that using old resources fails.
- testResources(gl.INVALID_OPERATION);
-
- testRendering();
-
- // Validate new resources created in testRendering().
- testResources(gl.NO_ERROR);
- debug("");
-}
-
-
-</script>
-</head>
-<body onload="init()">
-<div id="description"></div>
-<div id="console"></div>
-</body>
-</html>
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