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Diffstat (limited to '')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/offscreencanvas/context-lost-restored-worker.js | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/offscreencanvas/context-lost-restored-worker.js b/dom/canvas/test/webgl-conf/checkout/conformance/offscreencanvas/context-lost-restored-worker.js new file mode 100644 index 0000000000..76f59dce7e --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/offscreencanvas/context-lost-restored-worker.js @@ -0,0 +1,51 @@ +/* +Copyright (c) 2019 The Khronos Group Inc. +Use of this source code is governed by an MIT-style license that can be +found in the LICENSE.txt file. +*/ + +importScripts("../../js/tests/canvas-tests-utils.js"); +self.onmessage = function(e) { + if (!setupTest()) + self.postMessage("Test failed"); + + canvas.addEventListener("webglcontextlost", function(e) { + if (!testLostContext(e)) + self.postMessage("Test failed"); + // restore the context after this event has exited. + setTimeout(function() { + // we didn't call prevent default so we should not be able to restore the context + if (!compareGLError(gl.INVALID_OPERATION, "WEBGL_lose_context.restoreContext()")) + self.postMessage("Test failed"); + testLosingAndRestoringContext().then(function() { + self.postMessage("Test passed"); + }, function() { + self.postMessage("Test failed"); + }); + }, 0); + }); + canvas.addEventListener("webglcontextrestored", function() { + self.postMessage("Test failed"); + }); + allowRestore = false; + contextLostEventFired = false; + contextRestoredEventFired = false; + + if (!testOriginalContext()) + self.postMessage("Test failed"); + WEBGL_lose_context.loseContext(); + // The context should be lost immediately. + if (!gl.isContextLost()) + self.postMessage("Test failed"); + if (gl.getError() != gl.CONTEXT_LOST_WEBGL) + self.postMessage("Test failed"); + if (gl.getError() != gl.NO_ERROR) + self.postMessage("Test failed"); + // gl methods should be no-ops + if (!compareGLError(gl.NO_ERROR, "gl.blendFunc(gl.TEXTURE_2D, gl.TEXTURE_CUBE_MAP)")) + self.postMessage("Test failed"); + // but the event should not have been fired. + if (contextLostEventFired) + self.postMessage("Test failed"); +} + |