diff options
Diffstat (limited to 'testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.constructor.worker.js')
-rw-r--r-- | testing/web-platform/tests/html/canvas/offscreen/manual/the-offscreen-canvas/offscreencanvas.constructor.worker.js | 45 |
1 files changed, 45 insertions, 0 deletions
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(); + |