56 lines
1.8 KiB
HTML
56 lines
1.8 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<script src="../../http/tests/inspector/resources/inspector-test.js"></script>
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<script>
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function load() {
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window.context2d = document.createElement("canvas").getContext("2d");
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window.context2d.fillStyle = "rgba(255, 0, 0, 0.5)"; // Half-transparent red
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window.context2d.fillRect(0, 0, 300, 150);
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runTest();
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}
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function test() {
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let suite = InspectorTest.createAsyncSuite("Canvas.requestContent2D");
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suite.addTestCase({
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name: "Canvas.requestContent2D.validCanvasId",
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description: "Get the base64 encoded data for the canvas on the page with the given type.",
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test(resolve, reject) {
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let canvas = Array.from(WI.canvasManager.canvasCollection).find((canvas) => canvas.contextType === WI.Canvas.ContextType.Canvas2D);
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if (!canvas) {
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reject(`Missing Canvas.`);
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return;
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}
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CanvasAgent.requestContent(canvas.identifier)
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.then(({content}) => InspectorTest.expectGreaterThan(content.length, "data:image/png;base64,".length, "Content should not be empty."))
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.then(resolve, reject);
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}
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});
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// ------
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suite.addTestCase({
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name: "Canvas.requestContent.invalidCanvasId",
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description: "Invalid canvas identifiers should cause an error.",
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test(resolve, reject) {
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const canvasId = "DOES_NOT_EXIST";
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CanvasAgent.requestContent(canvasId, (error) => {
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InspectorTest.expectThat(error, "Should produce an error.");
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InspectorTest.log("Error: " + error);
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resolve();
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});
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}
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});
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suite.runTestCasesAndFinish();
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}
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</script>
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</head>
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<body onload="load()">
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<p>Test that CanvasAgent.requestContent can retrieve a dataURL with the current content of the 2D canvas.</p>
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</body>
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</html>
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