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| PASS Test that getContext with un-supported string throws a TypeError. |
| FAIL Test that getContext with supported string returns correct results assert_true: expected true got false |
| FAIL Test that getContext twice with different context type returns null the second time assert_equals: expected null but got object "[object WebGLRenderingContext]" |
| FAIL Test that 2dcontext.canvas should return the original OffscreenCanvas null is not an object (evaluating 'ctx.canvas') |
| PASS Test that webglcontext.canvas should return the original OffscreenCanvas |
| FAIL Test that OffscreenCanvasRenderingContext2D with alpha disabled makes the OffscreenCanvas opaque null is not an object (evaluating 'ctx.fillStyle = 'rgba(0, 255, 0, 0.5)'') |
| FAIL Test that OffscreenCanvasRenderingContext2D with alpha enabled preserves the alpha null is not an object (evaluating 'ctx.fillStyle = 'rgba(0, 255, 0, 0.5)'') |
| FAIL Test that 'alpha' context creation attribute is true by default null is not an object (evaluating 'ctx.fillStyle = 'rgba(0, 255, 0, 0.5)'') |
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