michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: /**
michael@0:  * Tests that the highlight/unhighlight and blackbox/unblackbox operations on
michael@0:  * program actors work as expected.
michael@0:  */
michael@0: 
michael@0: function ifWebGLSupported() {
michael@0:   let [target, debuggee, front] = yield initBackend(SIMPLE_CANVAS_URL);
michael@0:   front.setup({ reload: true });
michael@0: 
michael@0:   let programActor = yield once(front, "program-linked");
michael@0:   let vertexShader = yield programActor.getVertexShader();
michael@0:   let fragmentShader = yield programActor.getFragmentShader();
michael@0: 
michael@0:   yield ensurePixelIs(debuggee, { x: 0, y: 0 }, { r: 255, g: 0, b: 0, a: 255 }, true);
michael@0:   yield ensurePixelIs(debuggee, { x: 511, y: 511 }, { r: 0, g: 255, b: 0, a: 255 }, true);
michael@0:   yield checkShaderSource("The shader sources are correct before highlighting.");
michael@0:   ok(true, "The corner pixel colors are correct before highlighting.");
michael@0: 
michael@0:   yield programActor.highlight([0, 1, 0, 1]);
michael@0:   yield ensurePixelIs(debuggee, { x: 0, y: 0 }, { r: 0, g: 0, b: 0, a: 255 }, true);
michael@0:   yield ensurePixelIs(debuggee, { x: 511, y: 511 }, { r: 0, g: 255, b: 0, a: 255 }, true);
michael@0:   yield checkShaderSource("The shader sources are preserved after highlighting.");
michael@0:   ok(true, "The corner pixel colors are correct after highlighting.");
michael@0: 
michael@0:   yield programActor.unhighlight();
michael@0:   yield ensurePixelIs(debuggee, { x: 0, y: 0 }, { r: 255, g: 0, b: 0, a: 255 }, true);
michael@0:   yield ensurePixelIs(debuggee, { x: 511, y: 511 }, { r: 0, g: 255, b: 0, a: 255 }, true);
michael@0:   yield checkShaderSource("The shader sources are correct after unhighlighting.");
michael@0:   ok(true, "The corner pixel colors are correct after unhighlighting.");
michael@0: 
michael@0:   yield programActor.blackbox();
michael@0:   yield ensurePixelIs(debuggee, { x: 0, y: 0 }, { r: 0, g: 0, b: 0, a: 255 }, true);
michael@0:   yield ensurePixelIs(debuggee, { x: 511, y: 511 }, { r: 0, g: 0, b: 0, a: 255 }, true);
michael@0:   yield checkShaderSource("The shader sources are preserved after blackboxing.");
michael@0:   ok(true, "The corner pixel colors are correct after blackboxing.");
michael@0: 
michael@0:   yield programActor.unblackbox();
michael@0:   yield ensurePixelIs(debuggee, { x: 0, y: 0 }, { r: 255, g: 0, b: 0, a: 255 }, true);
michael@0:   yield ensurePixelIs(debuggee, { x: 511, y: 511 }, { r: 0, g: 255, b: 0, a: 255 }, true);
michael@0:   yield checkShaderSource("The shader sources are correct after unblackboxing.");
michael@0:   ok(true, "The corner pixel colors are correct after unblackboxing.");
michael@0: 
michael@0:   function checkShaderSource(aMessage) {
michael@0:     return Task.spawn(function() {
michael@0:       let newVertexShader = yield programActor.getVertexShader();
michael@0:       let newFragmentShader = yield programActor.getFragmentShader();
michael@0:       is(vertexShader, newVertexShader,
michael@0:         "The same vertex shader actor was retrieved.");
michael@0:       is(fragmentShader, newFragmentShader,
michael@0:         "The same fragment shader actor was retrieved.");
michael@0: 
michael@0:       let vertSource = yield newVertexShader.getText();
michael@0:       let fragSource = yield newFragmentShader.getText();
michael@0:       ok(vertSource.contains("I'm special!") &&
michael@0:          fragSource.contains("I'm also special!"), aMessage);
michael@0:     });
michael@0:   }
michael@0: 
michael@0:   yield removeTab(target.tab);
michael@0:   finish();
michael@0: }