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-rw-r--r--devtools/client/canvasdebugger/test/browser_canvas-actor-test-02.js78
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diff --git a/devtools/client/canvasdebugger/test/browser_canvas-actor-test-02.js b/devtools/client/canvasdebugger/test/browser_canvas-actor-test-02.js
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+++ b/devtools/client/canvasdebugger/test/browser_canvas-actor-test-02.js
@@ -0,0 +1,78 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests if functions calls are recorded and stored for a canvas context,
+ * and that their stack is successfully retrieved.
+ */
+
+function* ifTestingSupported() {
+ let { target, front } = yield initCallWatcherBackend(SIMPLE_CANVAS_URL);
+
+ let navigated = once(target, "navigate");
+
+ yield front.setup({
+ tracedGlobals: ["CanvasRenderingContext2D", "WebGLRenderingContext"],
+ startRecording: true,
+ performReload: true,
+ storeCalls: true
+ });
+ ok(true, "The front was setup up successfully.");
+
+ yield navigated;
+ ok(true, "Target automatically navigated when the front was set up.");
+
+ // Allow the content to execute some functions.
+ yield waitForTick();
+
+ let functionCalls = yield front.pauseRecording();
+ ok(functionCalls,
+ "An array of function call actors was sent after reloading.");
+ ok(functionCalls.length > 0,
+ "There's at least one function call actor available.");
+
+ is(functionCalls[0].type, CallWatcherFront.METHOD_FUNCTION,
+ "The called function is correctly identified as a method.");
+ is(functionCalls[0].name, "clearRect",
+ "The called function's name is correct.");
+ is(functionCalls[0].file, SIMPLE_CANVAS_URL,
+ "The called function's file is correct.");
+ is(functionCalls[0].line, 25,
+ "The called function's line is correct.");
+
+ is(functionCalls[0].callerPreview, "Object",
+ "The called function's caller preview is correct.");
+ is(functionCalls[0].argsPreview, "0, 0, 128, 128",
+ "The called function's args preview is correct.");
+
+ let details = yield functionCalls[1].getDetails();
+ ok(details,
+ "The first called function has some details available.");
+
+ is(details.stack.length, 3,
+ "The called function's stack depth is correct.");
+
+ is(details.stack[0].name, "fillStyle",
+ "The called function's stack is correct (1.1).");
+ is(details.stack[0].file, SIMPLE_CANVAS_URL,
+ "The called function's stack is correct (1.2).");
+ is(details.stack[0].line, 20,
+ "The called function's stack is correct (1.3).");
+
+ is(details.stack[1].name, "drawRect",
+ "The called function's stack is correct (2.1).");
+ is(details.stack[1].file, SIMPLE_CANVAS_URL,
+ "The called function's stack is correct (2.2).");
+ is(details.stack[1].line, 26,
+ "The called function's stack is correct (2.3).");
+
+ is(details.stack[2].name, "drawScene",
+ "The called function's stack is correct (3.1).");
+ is(details.stack[2].file, SIMPLE_CANVAS_URL,
+ "The called function's stack is correct (3.2).");
+ is(details.stack[2].line, 33,
+ "The called function's stack is correct (3.3).");
+
+ yield removeTab(target.tab);
+ finish();
+}