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-rw-r--r--devtools/client/canvasdebugger/test/browser_canvas-actor-test-04.js85
1 files changed, 85 insertions, 0 deletions
diff --git a/devtools/client/canvasdebugger/test/browser_canvas-actor-test-04.js b/devtools/client/canvasdebugger/test/browser_canvas-actor-test-04.js
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+++ b/devtools/client/canvasdebugger/test/browser_canvas-actor-test-04.js
@@ -0,0 +1,85 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests if draw calls inside a single animation frame generate and retrieve
+ * the correct thumbnails.
+ */
+
+function* ifTestingSupported() {
+ let { target, front } = yield initCanvasDebuggerBackend(SIMPLE_CANVAS_URL);
+
+ let navigated = once(target, "navigate");
+
+ yield front.setup({ reload: true });
+ ok(true, "The front was setup up successfully.");
+
+ yield navigated;
+ ok(true, "Target automatically navigated when the front was set up.");
+
+ let snapshotActor = yield front.recordAnimationFrame();
+ ok(snapshotActor,
+ "A snapshot actor was sent after recording.");
+
+ let animationOverview = yield snapshotActor.getOverview();
+ ok(animationOverview,
+ "An animation overview could be retrieved after recording.");
+
+ let thumbnails = animationOverview.thumbnails;
+ ok(thumbnails,
+ "An array of thumbnails was sent after recording.");
+ is(thumbnails.length, 4,
+ "The number of thumbnails is correct.");
+
+ is(thumbnails[0].index, 0,
+ "The first thumbnail's index is correct.");
+ is(thumbnails[0].width, 50,
+ "The first thumbnail's width is correct.");
+ is(thumbnails[0].height, 50,
+ "The first thumbnail's height is correct.");
+ is(thumbnails[0].flipped, false,
+ "The first thumbnail's flipped flag is correct.");
+ is([].find.call(Uint32(thumbnails[0].pixels), e => e > 0), undefined,
+ "The first thumbnail's pixels seem to be completely transparent.");
+
+ is(thumbnails[1].index, 2,
+ "The second thumbnail's index is correct.");
+ is(thumbnails[1].width, 50,
+ "The second thumbnail's width is correct.");
+ is(thumbnails[1].height, 50,
+ "The second thumbnail's height is correct.");
+ is(thumbnails[1].flipped, false,
+ "The second thumbnail's flipped flag is correct.");
+ is([].find.call(Uint32(thumbnails[1].pixels), e => e > 0), 4290822336,
+ "The second thumbnail's pixels seem to not be completely transparent.");
+
+ is(thumbnails[2].index, 4,
+ "The third thumbnail's index is correct.");
+ is(thumbnails[2].width, 50,
+ "The third thumbnail's width is correct.");
+ is(thumbnails[2].height, 50,
+ "The third thumbnail's height is correct.");
+ is(thumbnails[2].flipped, false,
+ "The third thumbnail's flipped flag is correct.");
+ is([].find.call(Uint32(thumbnails[2].pixels), e => e > 0), 4290822336,
+ "The third thumbnail's pixels seem to not be completely transparent.");
+
+ is(thumbnails[3].index, 6,
+ "The fourth thumbnail's index is correct.");
+ is(thumbnails[3].width, 50,
+ "The fourth thumbnail's width is correct.");
+ is(thumbnails[3].height, 50,
+ "The fourth thumbnail's height is correct.");
+ is(thumbnails[3].flipped, false,
+ "The fourth thumbnail's flipped flag is correct.");
+ is([].find.call(Uint32(thumbnails[3].pixels), e => e > 0), 4290822336,
+ "The fourth thumbnail's pixels seem to not be completely transparent.");
+
+ yield removeTab(target.tab);
+ finish();
+}
+
+function Uint32(src) {
+ let charView = new Uint8Array(src);
+ return new Uint32Array(charView.buffer);
+}