Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 /* Any copyright is dedicated to the Public Domain.
2 http://creativecommons.org/publicdomain/zero/1.0/ */
4 /**
5 * Tests that errors are properly handled when trying to compile a
6 * defective shader source.
7 */
9 function ifWebGLSupported() {
10 let [target, debuggee, front] = yield initBackend(SIMPLE_CANVAS_URL);
11 front.setup({ reload: true });
13 let programActor = yield once(front, "program-linked");
14 let vertexShader = yield programActor.getVertexShader();
15 let fragmentShader = yield programActor.getFragmentShader();
17 let oldVertSource = yield vertexShader.getText();
18 let newVertSource = oldVertSource.replace("vec4", "vec3");
20 try {
21 yield vertexShader.compile(newVertSource);
22 ok(false, "Vertex shader was compiled with a defective source!");
23 } catch (error) {
24 ok(error,
25 "The new vertex shader source was compiled with errors.");
26 is(error.compile, "",
27 "The compilation status should be empty.");
28 isnot(error.link, "",
29 "The linkage status should not be empty.");
30 is(error.link.split("ERROR").length - 1, 2,
31 "The linkage status contains two errors.");
32 ok(error.link.contains("ERROR: 0:8: 'constructor'"),
33 "A constructor error is contained in the linkage status.");
34 ok(error.link.contains("ERROR: 0:8: 'assign'"),
35 "An assignment error is contained in the linkage status.");
36 }
38 yield ensurePixelIs(debuggee, { x: 0, y: 0 }, { r: 255, g: 0, b: 0, a: 255 }, true);
39 yield ensurePixelIs(debuggee, { x: 511, y: 511 }, { r: 0, g: 255, b: 0, a: 255 }, true);
40 ok(true, "The shader was reverted to the old source.");
42 let vertSource = yield vertexShader.getText();
43 ok(vertSource.contains("vec4(aVertexPosition, 1.0);"),
44 "The previous correct vertex shader source was preserved.");
46 let oldFragSource = yield fragmentShader.getText();
47 let newFragSource = oldFragSource.replace("vec3", "vec4");
49 try {
50 yield fragmentShader.compile(newFragSource);
51 ok(false, "Fragment shader was compiled with a defective source!");
52 } catch (error) {
53 ok(error,
54 "The new fragment shader source was compiled with errors.");
55 is(error.compile, "",
56 "The compilation status should be empty.");
57 isnot(error.link, "",
58 "The linkage status should not be empty.");
59 is(error.link.split("ERROR").length - 1, 1,
60 "The linkage status contains one error.");
61 ok(error.link.contains("ERROR: 0:6: 'constructor'"),
62 "A constructor error is contained in the linkage status.");
63 }
65 yield ensurePixelIs(debuggee, { x: 0, y: 0 }, { r: 255, g: 0, b: 0, a: 255 }, true);
66 yield ensurePixelIs(debuggee, { x: 511, y: 511 }, { r: 0, g: 255, b: 0, a: 255 }, true);
67 ok(true, "The shader was reverted to the old source.");
69 let fragSource = yield fragmentShader.getText();
70 ok(fragSource.contains("vec3 vFragmentColor;"),
71 "The previous correct fragment shader source was preserved.");
73 yield programActor.highlight([0, 1, 0, 1]);
74 yield ensurePixelIs(debuggee, { x: 0, y: 0 }, { r: 0, g: 0, b: 0, a: 255 }, true);
75 yield ensurePixelIs(debuggee, { x: 511, y: 511 }, { r: 0, g: 255, b: 0, a: 255 }, true);
76 ok(true, "Highlighting worked after setting a defective fragment source.");
78 yield programActor.unhighlight();
79 yield ensurePixelIs(debuggee, { x: 0, y: 0 }, { r: 255, g: 0, b: 0, a: 255 }, true);
80 yield ensurePixelIs(debuggee, { x: 511, y: 511 }, { r: 0, g: 255, b: 0, a: 255 }, true);
81 ok(true, "Unhighlighting worked after setting a defective vertex source.");
83 yield removeTab(target.tab);
84 finish();
85 }