third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-getContext2D.html - Issue 1748163003: Add rendering context and rendering 2D context to OffscreenCanvas

Unified Diff: third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-getContext2D.html

Issue 1748163003: Add rendering context and rendering 2D context to OffscreenCanvas (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Rebase with master and fix merge conflicts Created 4 years, 9 months ago

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Index: third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-getContext2D.html

diff --git a/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-getContext2D.html b/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-getContext2D.html

new file mode 100644

index 0000000000000000000000000000000000000000..cf564fb8f0197de5f89a0d3ca837fc762c63ece3

--- /dev/null

+++ b/third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-getContext2D.html

@@ -0,0 +1,34 @@

+<!DOCTYPE html>

+<script src="../../resources/js-test.js"></script>

+<script>

+description("Tests basic functionalities of offscreenCanvas.getContext on the main thread");

+// Tests onstructor of OffscreenCanvas and length/width change

+var aCanvas = new OffscreenCanvas(50, 50);

Justin Novosad 2016/03/07 15:30:26 Not new to this CL, but you should also test the e

+shouldBe("aCanvas.width", "50");

+shouldBe("aCanvas.height", "50");

+aCanvas.width = 100;

+aCanvas.height = 100;

+shouldBe("aCanvas.width", "100");

+shouldBe("aCanvas.height", "100");

+// Tests object type of getContext('2d')

+var ctx;

+shouldNotThrow("ctx = aCanvas.getContext('2d')");

+shouldBeType("ctx", "OffscreenCanvasRenderingContext2D");

+// Calling getContext on a different context type will return null

+var ctx2 = aCanvas.getContext("webgl");

+shouldBeNull("ctx2");

Justin Novosad 2016/03/07 15:30:26 This is good, because this test will still be corr

+// Calling getContext on the same context type will return the original context type

+var ctx3 = aCanvas.getContext("2d");

+shouldBeNonNull("ctx3");

+shouldBeTrue("ctx3 == ctx");

+// Calling getContext on an unimplemented context type will return null

+var bCanvas = new OffscreenCanvas(20, 20);

+var ctx4 = bCanvas.getContext("webgl");

Justin Novosad 2016/03/07 15:30:26 This test will break the day we support WebGL, mig

+shouldBeNull("ctx4");

+</script>