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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas')
14 files changed, 1188 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas-worker-font-load-crash.html b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas-worker-font-load-crash.html new file mode 100644 index 0000000000..1baf7847de --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas-worker-font-load-crash.html @@ -0,0 +1,19 @@ +<!doctype html> +<html class="test-wait reftest-wait"> +<script> + let url = URL.createObjectURL(new Blob([` + let font = new FontFace('Ahem', 'url(/fonts/Ahem.ttf)'); + self.fonts.add(font); + let canvas = new OffscreenCanvas(100, 100); + let ctx = canvas.getContext('2d'); + ctx.font = "10px Ahem"; + ctx.fillText('Hello', 0, 10); + postMessage('done'); + `], { type: "application/javascript" })); + var worker = new Worker(url); + worker.onmessage = function() { + worker.terminate(); + URL.revokeObjectURL(url); + document.documentElement.className = ""; + }; +</script> diff --git a/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.constructor.html b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.constructor.html new file mode 100644 index 0000000000..a2ad1dcc7e --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.constructor.html @@ -0,0 +1,51 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/html/canvas/resources/canvas-tests.js"></script> +<link rel="help" href="https://html.spec.whatwg.org/#dom-offscreencanvas"> +<script> + +test(function() { + assert_throws_js( + TypeError, + () => OffscreenCanvas(100, 50), + "Calling OffscreenCanvas constructor without 'new' must throw" + ); +}, "OffscreenCanvas constructor called as normal function"); + +test(function() { + var offscreenCanvas = new OffscreenCanvas(100, 50); + assert_equals(offscreenCanvas.width, 100); + assert_equals(offscreenCanvas.height, 50); + + offscreenCanvas.width = 50; + offscreenCanvas.height = 100; + assert_equals(offscreenCanvas.width, 50); + assert_equals(offscreenCanvas.height, 100); +}, "Test that calling OffscreenCanvas's constructor generates correct width and height."); + +test(function() { + var offscreenCanvas1 = new OffscreenCanvas(1, 1); + + offscreenCanvas1.width = null; + offscreenCanvas1.height = null; + assert_equals(offscreenCanvas1.width, 0); + assert_equals(offscreenCanvas1.height, 0); + + assert_throws_js(TypeError, function() { new OffscreenCanvas(-1, -1); }); + + var offscreenCanvas2 = new OffscreenCanvas(null, null); + assert_equals(offscreenCanvas2.width, 0); + assert_equals(offscreenCanvas2.height, 0); + + assert_throws_js(TypeError, function() { offscreenCanvas2.width = -1; }); + assert_throws_js(TypeError, function() { offscreenCanvas2.height = -1; }); + + var obj = {Name: "John Doe", Age: 30}; + assert_throws_js(TypeError, function() { offscreenCanvas2.width = obj; }); + assert_throws_js(TypeError, function() { offscreenCanvas2.height = obj; }); + assert_throws_js(TypeError, function() { new OffscreenCanvas(obj, obj); }); +}, "Test that OffscreenCanvas constructor handles invalid arguments correctly"); + +</script> + diff --git a/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.constructor.worker.js b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.constructor.worker.js new file mode 100644 index 0000000000..72cfb728f0 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.constructor.worker.js @@ -0,0 +1,45 @@ +// spec link: https://html.spec.whatwg.org/#dom-offscreencanvas + +importScripts("/resources/testharness.js"); +importScripts("/html/canvas/resources/canvas-tests.js"); + +var t1 = async_test("Test that calling OffscreenCanvas's constructor generates correct width and height."); +t1.step(function() { + var offscreenCanvas = new OffscreenCanvas(100, 50); + assert_equals(offscreenCanvas.width, 100); + assert_equals(offscreenCanvas.height, 50); + + offscreenCanvas.width = 50; + offscreenCanvas.height = 100; + assert_equals(offscreenCanvas.width, 50); + assert_equals(offscreenCanvas.height, 100); + t1.done(); +}); + +var t2 = async_test("Test that OffscreenCanvas constructor handles invalid arguments correctly in a worker"); +t2.step(function() { + var offscreenCanvas1 = new OffscreenCanvas(1, 1); + + offscreenCanvas1.width = null; + offscreenCanvas1.height = null; + assert_equals(offscreenCanvas1.width, 0); + assert_equals(offscreenCanvas1.height, 0); + + assert_throws_js(TypeError, function() { new OffscreenCanvas(-1, -1); }); + + var offscreenCanvas2 = new OffscreenCanvas(null, null); + assert_equals(offscreenCanvas2.width, 0); + assert_equals(offscreenCanvas2.height, 0); + + assert_throws_js(TypeError, function() { offscreenCanvas2.width = -1; }); + assert_throws_js(TypeError, function() { offscreenCanvas2.height = -1; }); + + var obj = {Name: "John Doe", Age: 30}; + assert_throws_js(TypeError, function() { offscreenCanvas2.width = obj; }); + assert_throws_js(TypeError, function() { offscreenCanvas2.height = obj; }); + assert_throws_js(TypeError, function() { new OffscreenCanvas(obj, obj); }); + t2.done(); +}); + +done(); + diff --git a/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.getcontext.html b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.getcontext.html new file mode 100644 index 0000000000..51c167ddca --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.getcontext.html @@ -0,0 +1,80 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/html/canvas/resources/canvas-tests.js"></script> +<link rel="help" href="https://html.spec.whatwg.org/#dom-offscreencanvas-getcontext"> +<script> + +test(function() { + var offscreenCanvas = new OffscreenCanvas(1, 1); + assert_throws_js(TypeError, function() { offscreenCanvas.getContext('3d'); }); +}, "Test that getContext with un-supported string throws a TypeError."); + +test(function() { + var offscreenCanvas1 = new OffscreenCanvas(1, 1); + var ctx1 = offscreenCanvas1.getContext('2d'); + assert_true(ctx1 instanceof OffscreenCanvasRenderingContext2D); + + var offscreenCanvas2 = new OffscreenCanvas(1, 1); + var ctx2 = offscreenCanvas2.getContext('webgl'); + assert_true(ctx2 instanceof WebGLRenderingContext); + + var offscreenCanvas3 = new OffscreenCanvas(1, 1); + var ctx3 = offscreenCanvas3.getContext('webgl2'); + assert_true(ctx3 instanceof WebGL2RenderingContext); +}, "Test that getContext with supported string returns correct results"); + +test(function() { + var offscreenCanvas1 = new OffscreenCanvas(1, 1); + var ctx1 = offscreenCanvas1.getContext('2d'); + var ctx2 = offscreenCanvas1.getContext('webgl'); + assert_equals(ctx2, null); + + var offscreenCanvas2 = new OffscreenCanvas(1, 1); + var ctx3 = offscreenCanvas2.getContext('webgl'); + var ctx4 = offscreenCanvas2.getContext('2d'); + assert_equals(ctx4, null); +}, "Test that getContext twice with different context type returns null the second time"); + +test(function() { + var offscreenCanvas = new OffscreenCanvas(1, 2); + var ctx = offscreenCanvas.getContext('2d'); + var dstCanvas = ctx.canvas; + assert_equals(dstCanvas.width, 1); + assert_equals(dstCanvas.height, 2); +}, "Test that 2dcontext.canvas should return the original OffscreenCanvas"); + +test(function() { + var offscreenCanvas = new OffscreenCanvas(1, 2); + var ctx = offscreenCanvas.getContext('webgl'); + var dstCanvas = ctx.canvas; + assert_equals(dstCanvas.width, 1); + assert_equals(dstCanvas.height, 2); +}, "Test that webglcontext.canvas should return the original OffscreenCanvas"); + +test(function() { + var offscreenCanvas = new OffscreenCanvas(10, 10); + var ctx = offscreenCanvas.getContext('2d', {alpha: false}); + ctx.fillStyle = 'rgba(0, 255, 0, 0.5)'; + ctx.fillRect(0, 0, 10, 10); + _assertPixelApprox(offscreenCanvas, 5,5, 0,127,0,255, 2); +}, "Test that OffscreenCanvasRenderingContext2D with alpha disabled makes the OffscreenCanvas opaque"); + +test(function() { + var offscreenCanvas = new OffscreenCanvas(10, 10); + var ctx = offscreenCanvas.getContext('2d', {alpha: true}); + ctx.fillStyle = 'rgba(0, 255, 0, 0.5)'; + ctx.fillRect(0, 0, 10, 10); + _assertPixelApprox(offscreenCanvas, 5,5, 0,255,0,127, 2); +}, "Test that OffscreenCanvasRenderingContext2D with alpha enabled preserves the alpha"); + +test(function() { + var offscreenCanvas = new OffscreenCanvas(10, 10); + var ctx = offscreenCanvas.getContext('2d'); + ctx.fillStyle = 'rgba(0, 255, 0, 0.5)'; + ctx.fillRect(0, 0, 10, 10); + _assertPixelApprox(offscreenCanvas, 5,5, 0,255,0,127, 2); +}, "Test that 'alpha' context creation attribute is true by default"); + +</script> + diff --git a/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.getcontext.worker.js b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.getcontext.worker.js new file mode 100644 index 0000000000..c413791f61 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.getcontext.worker.js @@ -0,0 +1,77 @@ +// spec link: https://html.spec.whatwg.org/#dom-offscreencanvas-getcontext + +importScripts("/resources/testharness.js"); +importScripts("/html/canvas/resources/canvas-tests.js"); + +test(function() { + var offscreenCanvas = new OffscreenCanvas(1, 1); + assert_throws_js(TypeError, function() { offscreenCanvas.getContext('3d'); }); +}, "Test that getContext with un-supported string throws a TypeError."); + +test(function() { + var offscreenCanvas1 = new OffscreenCanvas(1, 1); + var ctx1 = offscreenCanvas1.getContext('2d'); + assert_true(ctx1 instanceof OffscreenCanvasRenderingContext2D); + + var offscreenCanvas2 = new OffscreenCanvas(1, 1); + var ctx2 = offscreenCanvas2.getContext('webgl'); + assert_true(ctx2 instanceof WebGLRenderingContext); + + var offscreenCanvas3 = new OffscreenCanvas(1, 1); + var ctx3 = offscreenCanvas3.getContext('webgl2'); + assert_true(ctx3 instanceof WebGL2RenderingContext); +}, "Test that getContext with supported string returns correct results"); + +test(function() { + var offscreenCanvas1 = new OffscreenCanvas(1, 1); + var ctx1 = offscreenCanvas1.getContext('2d'); + var ctx2 = offscreenCanvas1.getContext('webgl'); + assert_equals(ctx2, null); + + var offscreenCanvas2 = new OffscreenCanvas(1, 1); + var ctx3 = offscreenCanvas2.getContext('webgl'); + var ctx4 = offscreenCanvas2.getContext('2d'); + assert_equals(ctx4, null); +}, "Test that getContext twice with different context type returns null the second time"); + +test(function() { + var offscreenCanvas = new OffscreenCanvas(1, 2); + var ctx = offscreenCanvas.getContext('2d'); + var dstCanvas = ctx.canvas; + assert_equals(dstCanvas.width, 1); + assert_equals(dstCanvas.height, 2); +}, "Test that 2dcontext.canvas should return the original OffscreenCanvas"); + +test(function() { + var offscreenCanvas = new OffscreenCanvas(1, 2); + var ctx = offscreenCanvas.getContext('webgl'); + var dstCanvas = ctx.canvas; + assert_equals(dstCanvas.width, 1); + assert_equals(dstCanvas.height, 2); +}, "Test that webglcontext.canvas should return the original OffscreenCanvas"); + +test(function() { + var offscreenCanvas = new OffscreenCanvas(10, 10); + var ctx = offscreenCanvas.getContext('2d', {alpha: false}); + ctx.fillStyle = 'rgba(0, 255, 0, 0.5)'; + ctx.fillRect(0, 0, 10, 10); + _assertPixelApprox(offscreenCanvas, 5,5, 0,127,0,255, 2); +}, "Test that OffscreenCanvasRenderingContext2D with alpha disabled makes the OffscreenCanvas opaque"); + +test(function() { + var offscreenCanvas = new OffscreenCanvas(10, 10); + var ctx = offscreenCanvas.getContext('2d', {alpha: true}); + ctx.fillStyle = 'rgba(0, 255, 0, 0.5)'; + ctx.fillRect(0, 0, 10, 10); + _assertPixelApprox(offscreenCanvas, 5,5, 0,255,0,127, 2); +}, "Test that OffscreenCanvasRenderingContext2D with alpha enabled preserves the alpha"); + +test(function() { + var offscreenCanvas = new OffscreenCanvas(10, 10); + var ctx = offscreenCanvas.getContext('2d'); + ctx.fillStyle = 'rgba(0, 255, 0, 0.5)'; + ctx.fillRect(0, 0, 10, 10); + _assertPixelApprox(offscreenCanvas, 5,5, 0,255,0,127, 2); +}, "Test that 'alpha' context creation attribute is true by default"); + +done(); diff --git a/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.resize.html b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.resize.html new file mode 100644 index 0000000000..3ff0eea153 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.resize.html @@ -0,0 +1,240 @@ +<!DOCTYPE html> +<title>Test resizing an OffscreenCanvas with a 2d context</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/html/canvas/resources/canvas-tests.js"></script> +<body></body> +<script> +test(function() { + var canvas = new OffscreenCanvas(10, 20); + canvas.width = 30; + canvas.height = 40; + assert_equals(canvas.width, 30); + assert_equals(canvas.height, 40); +}, "Verify that writing to the width and height attributes of an OffscreenCanvas works when there is no context attached."); + +test(function() { + var canvas = new OffscreenCanvas(10, 20); + canvas.getContext('2d'); + canvas.width = 30; + canvas.height = 40; + assert_equals(canvas.width, 30); + assert_equals(canvas.height, 40); + var image = canvas.transferToImageBitmap(); + assert_equals(image.width, 30); + assert_equals(image.height, 40); +}, "Verify that writing to the width and height attributes of an OffscreenCanvas works when there is a 2d context attached."); + +test(function() { + var canvas = new OffscreenCanvas(10, 20); + canvas.getContext('webgl'); + canvas.width = 30; + canvas.height = 40; + assert_equals(canvas.width, 30); + assert_equals(canvas.height, 40); + var image = canvas.transferToImageBitmap(); + assert_equals(image.width, 30); + assert_equals(image.height, 40); +}, "Verify that writing to the width and height attributes of an OffscreenCanvas works when there is a webgl context attached."); + +test(function() { + var placeholder = document.createElement('canvas'); + placeholder.width = 2; + placeholder.height = 2; + var offscreen = placeholder.transferControlToOffscreen(); + assert_throws_dom("InvalidStateError", () => { placeholder.width = 1; }); + assert_throws_dom("InvalidStateError", () => { placeholder.height = 1; }); +}, "Verify that writing to the width or height attribute of a placeholder canvas throws an exception"); + +test(function() { + var placeholder = document.createElement('canvas'); + placeholder.width = 1; + placeholder.height = 1; + var offscreen = placeholder.transferControlToOffscreen(); + assert_throws_dom("InvalidStateError", () => { placeholder.width = 1; }); + assert_throws_dom("InvalidStateError", () => { placeholder.height = 1; }); +}, "Verify that writing to the width or height attribute of a placeholder canvas throws an exception even when not changing the value of the attribute."); + +test(function() { + var canvas = new OffscreenCanvas(10, 20); + var ctx = canvas.getContext('2d'); + ctx.lineWidth = 5; + canvas.width = 30; + assert_equals(ctx.lineWidth, 1); + ctx.lineWidth = 5; + canvas.height = 40; + assert_equals(ctx.lineWidth, 1); +}, "Verify that resizing a 2d context resets its state."); + +test(function() { + var canvas = new OffscreenCanvas(10, 20); + var ctx = canvas.getContext('2d'); + ctx.lineWidth = 5; + canvas.width = canvas.width; + assert_equals(ctx.lineWidth, 1); + ctx.lineWidth = 5; + canvas.height = canvas.height; + assert_equals(ctx.lineWidth, 1); +}, "Verify that setting the size of a 2d context to the same size it already had resets its state."); + +async_test(function(t) { + var placeholder = document.createElement('canvas'); + document.body.appendChild(placeholder); // So that we can check computed style/ + placeholder.width = 10; + placeholder.height = 20; + var offscreen = placeholder.transferControlToOffscreen(); + var ctx = offscreen.getContext('2d'); + t.step(function() { + // Verify that setting the size of an OffscreenCanvas that has a placeholder works. + offscreen.width = 30; + offscreen.height = 40; + assert_equals(offscreen.width, 30); + assert_equals(offscreen.height, 40); + var image = offscreen.transferToImageBitmap(); + assert_equals(image.width, 30); + assert_equals(image.height, 40); + }); + t.step(function() { + // Verify that setting the size of an OffscreenCanvas does not directly update the size of its placeholder canvas. + assert_equals(placeholder.width, 10); + assert_equals(placeholder.height, 20); + }); + var asyncStepsCompleted = 0; + createImageBitmap(placeholder).then(image => { + t.step(function() { + // Verify that the placeholder was not updated synchronously. + assert_equals(image.width, 10); + assert_equals(image.height, 20); + }); + asyncStepsCompleted = asyncStepsCompleted + 1; + if (asyncStepsCompleted == 2) { + t.done(); + } + }); + + function testImage() { + if (placeholder.width != 30) { + requestAnimationFrame(testImage); + } else { + t.step(function() { + assert_equals(placeholder.width, 30); + assert_equals(placeholder.height, 40); + var computedStyle = window.getComputedStyle(placeholder); + assert_equals(computedStyle.getPropertyValue('width'), "30px"); + assert_equals(computedStyle.getPropertyValue('height'), "40px"); + }); + createImageBitmap(placeholder).then(image => { + t.step(function() { + // Verify that an image grabbed from the placeholder has the correct dimensions + assert_equals(image.width, 30); + assert_equals(image.height, 40); + }); + asyncStepsCompleted = asyncStepsCompleted + 1; + if (asyncStepsCompleted == 2) { + t.done(); + } + }); + } + } + + requestAnimationFrame(testImage); +}, "Verify that resizing an OffscreenCanvas with a 2d context propagates the new size to its placeholder canvas asynchronously."); + +async_test(function(t) { + var placeholder = document.createElement('canvas'); + document.body.appendChild(placeholder); // So that we can check computed style/ + placeholder.width = 10; + placeholder.height = 20; + var offscreen = placeholder.transferControlToOffscreen(); + var ctx = offscreen.getContext('webgl'); + t.step(function() { + // Verify that setting the size of an OffscreenCanvas that has a placeholder works. + offscreen.width = 30; + offscreen.height = 40; + assert_equals(offscreen.width, 30); + assert_equals(offscreen.height, 40); + var image = offscreen.transferToImageBitmap(); + assert_equals(image.width, 30); + assert_equals(image.height, 40); + }); + t.step(function() { + // Verify that setting the size of an OffscreenCanvas does not directly update the size of its placeholder canvas. + assert_equals(placeholder.width, 10); + assert_equals(placeholder.height, 20); + }); + var asyncStepsCompleted = 0; + createImageBitmap(placeholder).then(image => { + t.step(function() { + // Verify that the placeholder was not updated synchronously. + assert_equals(image.width, 10); + assert_equals(image.height, 20); + }); + asyncStepsCompleted = asyncStepsCompleted + 1; + if (asyncStepsCompleted == 2) { + t.done(); + } + }); + + function testImage() { + if (placeholder.width != 30) { + requestAnimationFrame(testImage); + } else { + t.step(function() { + assert_equals(placeholder.width, 30); + assert_equals(placeholder.height, 40); + var computedStyle = window.getComputedStyle(placeholder); + assert_equals(computedStyle.getPropertyValue('width'), "30px"); + assert_equals(computedStyle.getPropertyValue('height'), "40px"); + }); + createImageBitmap(placeholder).then(image => { + t.step(function() { + // Verify that an image grabbed from the placeholder has the correct dimensions + assert_equals(image.width, 30); + assert_equals(image.height, 40); + }); + asyncStepsCompleted = asyncStepsCompleted + 1; + if (asyncStepsCompleted == 2) { + t.done(); + } + }); + } + } + requestAnimationFrame(testImage); +}, "Verify that resizing an OffscreenCanvas with a webgl context propagates the new size to its placeholder canvas asynchronously."); + +async_test(function(t){ + var placeholder = document.createElement('canvas'); + placeholder.width = 1; + placeholder.height = 1; + var offscreen = placeholder.transferControlToOffscreen(); + var ctx = offscreen.getContext('2d'); + offscreen.width = offscreen.height = 10; + ctx.fillStyle = '#0f0'; + ctx.fillRect(0, 0, 10, 10); + + var testCanvas = document.createElement('canvas'); + testCanvas.width = testCanvas.height = 20; + var testCtx = testCanvas.getContext('2d'); + + function testImage() { + if (placeholder.width != 10) { + requestAnimationFrame(testImage); + } else { + testCtx.drawImage(placeholder, 0, 0); + var pixel1 = testCtx.getImageData(9, 9, 1, 1).data; + var pixel2 = testCtx.getImageData(9, 10, 1, 1).data; + var pixel3 = testCtx.getImageData(10, 9, 1, 1).data; + t.step(function() { + assert_equals(placeholder.width, 10); + assert_equals(placeholder.height, 10); + assert_array_equals(pixel1, [0, 255, 0, 255]); + assert_array_equals(pixel2, [0, 0, 0, 0]); + assert_array_equals(pixel3, [0, 0, 0, 0]); + }); + t.done(); + } + } + + requestAnimationFrame(testImage); +}, "Verify that drawImage uses the size of the frame as the intinsic size of a placeholder canvas."); +</script> diff --git a/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.lowlatency.nocrash.html b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.lowlatency.nocrash.html new file mode 100644 index 0000000000..1960841564 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.lowlatency.nocrash.html @@ -0,0 +1,12 @@ +<title>Transfer Low-Latency Canvas</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/html/canvas/resources/canvas-tests.js"></script> +<body></body> + +<script> +test(function(t) { + var ctx = document.createElement("canvas").getContext('2d', {desynchronized:true}); + assert_throws_dom("InvalidStateError", () => { ctx.canvas.transferControlToOffscreen(); }); +}, "Tests that transferring a low latency canvas does not cause a crash. See crbug.com/1255153"); +</script> diff --git a/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.html b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.html new file mode 100644 index 0000000000..6e1adf9591 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.html @@ -0,0 +1,112 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/html/canvas/resources/canvas-tests.js"></script> +<link rel="help" href="https://html.spec.whatwg.org/#dom-offscreencanvas-transfertoimagebitmap"> + +<script id="myWorker" type="text/worker"> + +self.onmessage = function(e) { +}; + +</script> + +<script> +function makeWorker(script) +{ + var blob = new Blob([script]); + return new Worker(URL.createObjectURL(blob)); +} + +test(function() { + function testSize(contextType) { + var offscreenCanvas = new OffscreenCanvas(100, 50); + var ctx = offscreenCanvas.getContext(contextType); + var image = offscreenCanvas.transferToImageBitmap(); + assert_equals(image.width, 100); + assert_equals(image.height, 50); + } + + testSize('2d'); + testSize('webgl'); +}, "Test that transferToImageBitmap returns an ImageBitmap with correct width and height"); + +test(function() { + function testImageBitmapClr(shouldCallTwice, alphaVal) { + var offscreenCanvas = new OffscreenCanvas(100, 50); + var ctx = offscreenCanvas.getContext('2d', {alpha: alphaVal}); + ctx.fillStyle = "#0f0"; + ctx.fillRect(0, 0, 100, 50); + var image = offscreenCanvas.transferToImageBitmap(); + + if (shouldCallTwice) + image = offscreenCanvas.transferToImageBitmap(); + + var drawCanvas = document.createElement('canvas'); + drawCanvas.width = 100; + drawCanvas.height = 50; + var dCtx = drawCanvas.getContext('2d'); + dCtx.drawImage(image, 0, 0); + + if (shouldCallTwice) { + if (alphaVal) + _assertPixel(drawCanvas, 50,25, 0,0,0,0); + else + _assertPixel(drawCanvas, 50,25, 0,0,0,255); + } else { + _assertPixel(drawCanvas, 50,25, 0,255,0,255); + } + } + + testImageBitmapClr(false, true); + testImageBitmapClr(true, true); + testImageBitmapClr(true, false); +}, "Test that transferToImageBitmap returns an ImageBitmap with correct color"); + +test(function() { + var offscreenCanvas = new OffscreenCanvas(100, 50); + var ctx = offscreenCanvas.getContext('2d'); + ctx.lineWidth = 10; + var image = offscreenCanvas.transferToImageBitmap(); + assert_equals(ctx.lineWidth, 10); +}, "Test that transferToImageBitmap won't change context's property"); + +test(function() { + var offscreenCanvas = new OffscreenCanvas(100, 50); + var ctx = offscreenCanvas.getContext('2d'); + ctx.rect(0, 0, 25, 50); + ctx.clip(); + ctx.translate(20, 20); + + ctx.fillStyle = '#0f0'; + var image1 = offscreenCanvas.transferToImageBitmap(); + // trasnform should be preserved + ctx.fillRect(0, 0, 10, 10); + var image2 = offscreenCanvas.transferToImageBitmap(); + + var drawCanvas = document.createElement('canvas'); + drawCanvas.width = 100; + drawCanvas.height = 50; + var dCtx = drawCanvas.getContext('2d'); + dCtx.drawImage(image2, 0, 0); + // Verify that transform was carried over. + _assertPixel(drawCanvas, 23,25, 0,255,0,255); + // Verify that clip was carried over. + _assertPixel(drawCanvas, 27,25, 0,0,0,0); +}, "Test that transferToImageBitmap preserves transform"); + +async_test(function(t) { + var worker = makeWorker(document.getElementById("myWorker").textContent); + var offscreenCanvas = new OffscreenCanvas(10, 10); + worker.postMessage(offscreenCanvas, [offscreenCanvas]); + assert_throws_dom("InvalidStateError", function() { offscreenCanvas.transferToImageBitmap(); }); + t.done(); +}, "Test that call transferToImageBitmap on a detached OffscreenCanvas throws an exception"); + +test(function() { + var offscreenCanvas = new OffscreenCanvas(10, 10); + assert_throws_dom("InvalidStateError", function() { offscreenCanvas.transferToImageBitmap(); }); +}, "Test that transferToImageBitmap without a context throws an exception"); + +</script> + diff --git a/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.nocrash.html b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.nocrash.html new file mode 100644 index 0000000000..09a388ed35 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.nocrash.html @@ -0,0 +1,16 @@ +<!DOCTYPE html> +<body> + <p>Tests that an ImageBitmap in Offscreen without content does not crash.</p> + +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script> + +async_test(function(t) { + var v1 = document.createElement("canvas"); + var v2 = v1.transferControlToOffscreen(); + var v3 = v2.getContext("bitmaprenderer"); + v2.width = 67; + t.done(); +}); +</script> diff --git a/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.w.html b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.w.html new file mode 100644 index 0000000000..b51ce0efa2 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfer.to.imagebitmap.w.html @@ -0,0 +1,201 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/html/canvas/resources/canvas-tests.js"></script> +<link rel="help" href="https://html.spec.whatwg.org/#dom-offscreencanvas-transfertoimagebitmap"> + +<script id="myWorker" type="text/worker"> + +function testSize(contextType) +{ + var offscreenCanvas = new OffscreenCanvas(100, 50); + var ctx = offscreenCanvas.getContext(contextType); + var image = offscreenCanvas.transferToImageBitmap(); + if (image.width == 100 && image.height == 50) + return true; + return false; +} + +function testImageBitmapClr(shouldCallTwice, alphaVal) { + var offscreenCanvas = new OffscreenCanvas(100, 50); + var ctx = offscreenCanvas.getContext('2d', {alpha: alphaVal}); + ctx.fillStyle = "#0f0"; + ctx.fillRect(0, 0, 100, 50); + var image = offscreenCanvas.transferToImageBitmap(); + + if (shouldCallTwice) + image = offscreenCanvas.transferToImageBitmap(); + return image; +} + +function isInvalidStateError(funcStr, offscreenCanvas) +{ + try { + eval(funcStr); + } catch (e) { + if (e instanceof DOMException && e.name == "InvalidStateError") + return true; + return false; + } +} + +function testImageBitmapSize() +{ + return testSize('2d') && testSize('webgl'); +} + +function testLineWidthNotAltered() +{ + var offscreenCanvas = new OffscreenCanvas(100, 50); + var ctx = offscreenCanvas.getContext('2d'); + ctx.lineWidth = 10; + var image = offscreenCanvas.transferToImageBitmap(); + return ctx.lineWidth == 10; +} + +function testTransformPreserved() +{ + var offscreenCanvas = new OffscreenCanvas(100, 50); + var ctx = offscreenCanvas.getContext('2d'); + ctx.rect(0, 0, 25, 50); + ctx.clip(); + ctx.translate(20, 20); + + ctx.fillStyle = '#0f0'; + var image1 = offscreenCanvas.transferToImageBitmap(); + // trasnform should be preserved + ctx.fillRect(0, 0, 10, 10); + var image2 = offscreenCanvas.transferToImageBitmap(); + return image2; +} + +function testException() +{ + var offscreenCanvas = new OffscreenCanvas(10, 10); + return isInvalidStateError("offscreenCanvas.transferToImageBitmap()", offscreenCanvas); +} + +self.onmessage = function(e) { + switch (e.data) { + case 'test1': + self.postMessage(testImageBitmapSize()); + break; + case 'test2': + self.postMessage(testImageBitmapClr(false, true)); + break; + case 'test3': + self.postMessage(testImageBitmapClr(true, true)); + break; + case 'test4': + self.postMessage(testImageBitmapClr(true, false)); + break; + case 'test5': + self.postMessage(testLineWidthNotAltered()); + break; + case 'test6': + self.postMessage(testTransformPreserved()); + break; + case 'test7': + var offscreenCanvas = new OffscreenCanvas(10, 10); + self.postMessage({offscreenCanvas: offscreenCanvas}, [offscreenCanvas]); + self.postMessage(isInvalidStateError("offscreenCanvas.transferToImageBitmap()", offscreenCanvas)); + break; + case 'test8': + self.postMessage(testException()); + break; + } +}; + +</script> + +<script> +function makeWorker(test) { + var blob = new Blob([document.getElementById("myWorker").textContent]); + var worker = new Worker(URL.createObjectURL(blob)); + worker.onerror = test.unreached_func("error"); + return worker; +} + +function drawImageBitmap(image, x, y) +{ + var drawCanvas = document.createElement('canvas'); + drawCanvas.width = 100; + drawCanvas.height = 50; + var dCtx = drawCanvas.getContext('2d'); + dCtx.drawImage(image, 0, 0); + return dCtx.getImageData(x, y, 1, 1).data; +} + +async_test(function(t) { + var worker = makeWorker(t); + worker.addEventListener('message', t.step_func_done(function(msg) { + assert_true(msg.data); + })); + worker.postMessage('test1'); +}, "Test that transferToImageBitmap returns an ImageBitmap with correct width and height in a worker"); + +async_test(function(t) { + var worker = makeWorker(t); + worker.addEventListener('message', t.step_func_done(function(msg) { + var clr = drawImageBitmap(msg.data, 50, 25); + assert_array_equals(clr, [0, 255, 0, 255]); + })); + worker.postMessage('test2'); +}, "Test that transferToImageBitmap returns an ImageBitmap with correct color in a worker"); + +async_test(function(t) { + var worker = makeWorker(t); + worker.addEventListener('message', t.step_func_done(function(msg) { + var clr = drawImageBitmap(msg.data, 50, 25); + assert_array_equals(clr, [0, 0, 0, 0]); + })); + worker.postMessage('test3'); +}, "Test that call transferToImageBitmap twice returns an ImageBitmap with correct color in a worker"); + +async_test(function(t) { + var worker = makeWorker(t); + worker.addEventListener('message', t.step_func_done(function(msg) { + var clr = drawImageBitmap(msg.data, 50, 25); + assert_array_equals(clr, [0, 0, 0, 255]); + })); + worker.postMessage('test4'); +}, "Test that call transferToImageBitmap twice on a alpha-disabled context returns an ImageBitmap with correct color in a worker"); + +async_test(function(t) { + var worker = makeWorker(t); + worker.addEventListener('message', t.step_func_done(function(msg) { + assert_true(msg.data); + })); + worker.postMessage('test5'); +}, "Test that transferToImageBitmap won't change context's property in a worker"); + +async_test(function(t) { + var worker = makeWorker(t); + worker.addEventListener('message', t.step_func_done(function(msg) { + var clr1 = drawImageBitmap(msg.data, 23, 25); + assert_array_equals(clr1, [0, 255, 0, 255]); + var clr2 = drawImageBitmap(msg.data, 27, 25); + assert_array_equals(clr2, [0, 0, 0, 0]); + })); + worker.postMessage('test6'); +}, "Test that call transferToImageBitmap preserves transform in a worker"); + +async_test(function(t) { + var worker = makeWorker(t); + worker.addEventListener('message', t.step_func_done(function(msg) { + if (msg.data == true || msg.data == false) + assert_true(msg.data); + })); + worker.postMessage('test7'); +}, "Test that call transferToImageBitmap on a detached OffscreenCanvas throws an exception in a worker"); + +async_test(function(t) { + var worker = makeWorker(t); + worker.addEventListener('message', t.step_func_done(function(msg) { + assert_true(msg.data); + })); + worker.postMessage('test8'); +}, "Test that call transferToImageBitmap without a context throws an exception in a worker"); + +</script> + diff --git a/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfercontrol.to.offscreen.html b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfercontrol.to.offscreen.html new file mode 100644 index 0000000000..fea375b2ad --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfercontrol.to.offscreen.html @@ -0,0 +1,34 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/html/canvas/resources/canvas-tests.js"></script> +<link rel="help" href="https://html.spec.whatwg.org/#dom-canvas-transfercontroltooffscreen"> +<script> + +test(function() { + var placeholder = document.createElement('canvas'); + placeholder.width = 100; + placeholder.height = 50; + var offscreenCanvas = placeholder.transferControlToOffscreen(); + assert_equals(offscreenCanvas.width, 100); + assert_equals(offscreenCanvas.height, 50); +}, "Test that an OffscreenCanvas generated by transferControlToOffscreen gets correct width and height"); + +test(function() { + var placeholder = document.createElement('canvas'); + placeholder.width = 100; + placeholder.height = 50; + var offscreenCanvas = placeholder.transferControlToOffscreen(); + assert_throws_dom("InvalidStateError", function() { placeholder.getContext('2d'); }); +}, "Test that calling getContext on a placeholder canvas that has already transferred its control throws an exception"); + +test(function() { + var placeholder = document.createElement('canvas'); + placeholder.width = 100; + placeholder.height = 50; + var offscreenCanvas = placeholder.transferControlToOffscreen(); + assert_throws_dom("InvalidStateError", function() { placeholder.transferControlToOffscreen(); }); +}, "Test that calling transferControlToOffscreen twice throws an exception"); + +</script> + diff --git a/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfercontrol.to.offscreen.w.html b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfercontrol.to.offscreen.w.html new file mode 100644 index 0000000000..1347e7b50b --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transfercontrol.to.offscreen.w.html @@ -0,0 +1,76 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/html/canvas/resources/canvas-tests.js"></script> +<link rel="help" href="https://html.spec.whatwg.org/#dom-canvas-transfercontroltooffscreen"> + +<script id="myWorker" type="text/worker"> + +function testSize(offscreenCanvas) +{ + if (offscreenCanvas.width == 100 && offscreenCanvas.height == 50) + return true; + return false; +} + +self.onmessage = function(e) { + switch (e.data.msg) { + case 'test1': + self.postMessage(testSize(e.data.data)); + break; + case 'test2': + self.postMessage(""); + break; + case 'test3': + self.postMessage(""); + break; + } +}; + +</script> + +<script> +function makeWorker(script) +{ + var blob = new Blob([script]); + return new Worker(URL.createObjectURL(blob)); +} + +async_test(function(t) { + var placeholder = document.createElement('canvas'); + placeholder.width = 100; + placeholder.height = 50; + var offscreenCanvas = placeholder.transferControlToOffscreen(); + var worker = makeWorker(document.getElementById("myWorker").textContent); + worker.addEventListener('message', t.step_func_done(function(msg) { + assert_true(msg.data); + })); + worker.postMessage({msg: 'test1', data: offscreenCanvas}, [offscreenCanvas]); +}, "Test that an OffscreenCanvas generated by transferControlToOffscreen gets correct width and height when it is transferred to a worker"); + +async_test(function(t) { + var placeholder = document.createElement('canvas'); + placeholder.width = 100; + placeholder.height = 50; + var offscreenCanvas = placeholder.transferControlToOffscreen(); + var worker = makeWorker(document.getElementById("myWorker").textContent); + worker.addEventListener('message', t.step_func_done(function(msg) { + assert_throws_dom("InvalidStateError", function() { placeholder.getContext('2d'); }); + })); + worker.postMessage({msg: 'test2', data: offscreenCanvas}, [offscreenCanvas]); +}, "Test that calling getContext on a placeholder canvas that is transferred its control to an OffscreenCanvas throws an exception, when the OffscreenCanvas is transferred to a worker"); + +async_test(function(t) { + var placeholder = document.createElement('canvas'); + placeholder.width = 100; + placeholder.height = 50; + var offscreenCanvas = placeholder.transferControlToOffscreen(); + var worker = makeWorker(document.getElementById("myWorker").textContent); + worker.addEventListener('message', t.step_func_done(function(msg) { + assert_throws_dom("InvalidStateError", function() { placeholder.transferControlToOffscreen(); }); + })); + worker.postMessage({msg: 'test3', data: offscreenCanvas}, [offscreenCanvas]); +}, "Test that calling transferControlToOffscreen twice throws an exception, when its associated OffscreenCanvas is transferred to a worker"); + +</script> + diff --git a/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transferrable.html b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transferrable.html new file mode 100644 index 0000000000..76796034e9 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transferrable.html @@ -0,0 +1,83 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/html/canvas/resources/canvas-tests.js"></script> +<link rel="help" href="https://html.spec.whatwg.org/#offscreencanvas"> + +<script id="myWorker" type="text/worker"> + +function test1(offscreenCanvas) +{ + return offscreenCanvas.width == 10 && offscreenCanvas.height == 10; +} + +self.onmessage = function(e) { + switch(e.data.msg) { + case 'test1': + self.postMessage(test1(e.data.data)); + break; + } +}; + +</script> + +<script> +function makeWorker(script) +{ + var blob = new Blob([script]); + return new Worker(URL.createObjectURL(blob)); +} + +async_test(function(t) { + var worker = makeWorker(document.getElementById("myWorker").textContent); + var offscreenCanvas = new OffscreenCanvas(10, 10); + worker.postMessage({msg: 'test1', data: offscreenCanvas}, [offscreenCanvas]); + worker.addEventListener('message', t.step_func_done(function(msg) { + assert_true(msg.data); + })); + assert_equals(offscreenCanvas.width, 0); + assert_equals(offscreenCanvas.height, 0); +}, "Test that offscreenCanvas's size is correct after being transferred to a worker."); + + +test(function() { + function testException(contextType) { + var worker = makeWorker(document.getElementById("myWorker").textContent); + var offscreenCanvas = new OffscreenCanvas(10, 10); + var ctx = offscreenCanvas.getContext(contextType); + assert_throws_dom("InvalidStateError", function() { + worker.postMessage({offscreenCanvas}, [offscreenCanvas]); + }); + } + testException('2d'); +}, "Test that transfer an OffscreenCanvas that already have a 2d context throws exception."); + +test(function() { + var worker = makeWorker(document.getElementById("myWorker").textContent); + var offscreenCanvas = new OffscreenCanvas(10, 10); + worker.postMessage({offscreenCanvas}, [offscreenCanvas]); + assert_throws_dom("DataCloneError", function() { + worker.postMessage({offscreenCanvas}, [offscreenCanvas]); + }); +}, "Test that transfer an OffscreenCanvas twice throws exception."); + +test(function() { + var worker = makeWorker(document.getElementById("myWorker").textContent); + var offscreenCanvas = new OffscreenCanvas(10, 10); + worker.postMessage({offscreenCanvas}, [offscreenCanvas]); + assert_throws_dom("InvalidStateError", function() { + offscreenCanvas.getContext('2d'); + }); +}, "Test that calling getContext('2d') on a detached OffscreenCanvas throws exception."); + +test(function() { + var worker = makeWorker(document.getElementById("myWorker").textContent); + var offscreenCanvas = new OffscreenCanvas(10, 10); + worker.postMessage({offscreenCanvas}, [offscreenCanvas]); + assert_throws_dom("InvalidStateError", function() { + offscreenCanvas.getContext('webgl'); + }); +}, "Test that calling getContext('webgl') on a detached OffscreenCanvas throws exception."); + +</script> + diff --git a/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transferrable.w.html b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transferrable.w.html new file mode 100644 index 0000000000..38f981e8f0 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.transferrable.w.html @@ -0,0 +1,142 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/html/canvas/resources/canvas-tests.js"></script> +<link rel="help" href="https://html.spec.whatwg.org/#offscreencanvas"> + +<script id="myWorker" type="text/worker"> + +function isInvalidStateError(funcStr, offscreenCanvas) +{ + try { + eval(funcStr); + } catch (e) { + if (e instanceof DOMException && e.name == "InvalidStateError") + return true; + return false; + } +} + +function testExceptionWith2DContext() +{ + var offscreenCanvas = new OffscreenCanvas(10, 10); + var ctx = offscreenCanvas.getContext('2d'); + return isInvalidStateError("self.postMessage(offscreenCanvas, [offscreenCanvas])", offscreenCanvas); +} + +function testExceptionWithWebGLContext() +{ + var offscreenCanvas = new OffscreenCanvas(10, 10); + var ctx = offscreenCanvas.getContext('webgl'); + return isInvalidStateError("self.postMessage(offscreenCanvas, [offscreenCanvas])", offscreenCanvas); +} + +function testExceptionWithDetachedOffscreenCanvas1() +{ + var offscreenCanvas = new OffscreenCanvas(10, 10); + self.postMessage(offscreenCanvas, [offscreenCanvas]); + return isInvalidStateError("self.postMessage(offscreenCanvas, [offscreenCanvas])", offscreenCanvas); +} + +function testExceptionWithDetachedOffscreenCanvas2() +{ + var offscreenCanvas = new OffscreenCanvas(10, 10); + self.postMessage(offscreenCanvas, [offscreenCanvas]); + return isInvalidStateError("offscreenCanvas.getContext('2d')", offscreenCanvas); +} + +function testExceptionWithDetachedOffscreenCanvas3() +{ + var offscreenCanvas = new OffscreenCanvas(10, 10); + self.postMessage(offscreenCanvas, [offscreenCanvas]); + return isInvalidStateError("offscreenCanvas.getContext('webgl')", offscreenCanvas); +} + +self.onmessage = function(e) { + switch(e.data) { + case 'test1': + var offscreenCanvas = new OffscreenCanvas(10, 10); + self.postMessage(offscreenCanvas, [offscreenCanvas]); + break; + case 'test2': + self.postMessage(testExceptionWith2DContext()); + break; + case 'test3': + self.postMessage(testExceptionWithWebGLContext()); + break; + case 'test4': + self.postMessage(testExceptionWithDetachedOffscreenCanvas1()); + break; + case 'test5': + self.postMessage(testExceptionWithDetachedOffscreenCanvas2()); + break; + case 'test6': + self.postMessage(testExceptionWithDetachedOffscreenCanvas3()); + break; + } +}; + +</script> + +<script> +function makeWorker(test) { + var blob = new Blob([document.getElementById("myWorker").textContent]); + var worker = new Worker(URL.createObjectURL(blob)); + worker.onerror = test.unreached_func("error"); + return worker; +} + +async_test(function(t) { + var worker = makeWorker(t); + worker.addEventListener('message', t.step_func_done(function(msg) { + assert_equals(msg.data.width, 10); + assert_equals(msg.data.height, 10); + })); + worker.postMessage('test1'); +}, "Test that OffscreenCanvas's size is correct after being transferred from a worker."); + +async_test(function(t) { + var worker = makeWorker(t); + worker.addEventListener('message', t.step_func_done(function(msg) { + assert_true(msg.data); + })); + worker.postMessage('test2'); +}, "Test that transfer an OffscreenCanvas that has a 2d context throws exception in a worker."); + +async_test(function(t) { + var worker = makeWorker(t); + worker.addEventListener('message', t.step_func_done(function(msg) { + assert_true(msg.data); + })); + worker.postMessage('test3'); +}, "Test that transfer an OffscreenCanvas that has a webgl context throws exception in a worker."); + +async_test(function(t) { + var worker = makeWorker(t); + worker.addEventListener('message', t.step_func_done(function(msg) { + if (msg.data == true || msg.data == false) + assert_true(msg.data); + })); + worker.postMessage('test4'); +}, "Test that transfer an OffscreenCanvas twice throws exception in a worker."); + +async_test(function(t) { + var worker = makeWorker(t); + worker.addEventListener('message', t.step_func_done(function(msg) { + if (msg.data == true || msg.data == false) + assert_true(msg.data); + })); + worker.postMessage('test5'); +}, "Test that calling getContext('2d') on a detached OffscreenCanvas throws exception in a worker."); + +async_test(function(t) { + var worker = makeWorker(t); + worker.addEventListener('message', t.step_func_done(function(msg) { + if (msg.data == true || msg.data == false) + assert_true(msg.data); + })); + worker.postMessage('test6'); +}, "Test that calling getContext('webgl') on a detached OffscreenCanvas throws exception in a worker."); + +</script> + |