This test runs the WebGL Test listed below in an iframe and reports PASS or FAIL.

Test: ../../resources/webgl_test_files/conformance/extensions/angle-instanced-arrays.html
[ 1: PASS ] WebGL context exists
[ 2: PASS ] getError was expected value: INVALID_ENUM : VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE should not be queryable if extension is disabled
[ 3: PASS ] Successfully enabled ANGLE_instanced_arrays extension
[ 4: PASS ] ANGLE_instanced_arrays listed as supported and getExtension succeeded
[ 5: PASS ] ext.VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE is 0x88FE
[ 6: PASS ] Vertex attribute 0 must has a default divisor of 0
[ 7: PASS ] Vertex attribute 1 must has a default divisor of 0
[ 8: PASS ] Vertex attribute 2 must has a default divisor of 0
[ 9: PASS ] Vertex attribute 3 must has a default divisor of 0
[ 10: PASS ] Vertex attribute 4 must has a default divisor of 0
[ 11: PASS ] Vertex attribute 5 must has a default divisor of 0
[ 12: PASS ] Vertex attribute 6 must has a default divisor of 0
[ 13: PASS ] Vertex attribute 7 must has a default divisor of 0
[ 14: PASS ] Vertex attribute 8 must has a default divisor of 0
[ 15: PASS ] Vertex attribute 9 must has a default divisor of 0
[ 16: PASS ] Vertex attribute 10 must has a default divisor of 0
[ 17: PASS ] Vertex attribute 11 must has a default divisor of 0
[ 18: PASS ] Vertex attribute 12 must has a default divisor of 0
[ 19: PASS ] Vertex attribute 13 must has a default divisor of 0
[ 20: PASS ] Vertex attribute 14 must has a default divisor of 0
[ 21: PASS ] Vertex attribute 15 must has a default divisor of 0
[ 22: PASS ] getError was expected value: INVALID_VALUE : vertexAttribDivisorANGLE index set greater than or equal to MAX_VERTEX_ATTRIBS should be an invalid value
[ 23: PASS ] getError was expected value: NO_ERROR : vertexAttribDivisorANGLE index set less than MAX_VERTEX_ATTRIBS should succeed
[ 24: PASS ] Set value of VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE matches expecation
[ 25: PASS ] gl.getExtension("ANGLE_instanced_arrays").myProperty is 2
[ 26: PASS ] getError was expected value: NO_ERROR : vertex attrib divisor should affect regular drawArrays when the extension is enabled
[ 27: PASS ] should be 255,0,0,255
[ 28: PASS ] should be 255,0,0,255
[ 29: PASS ] should be 0,255,0,255
[ 30: PASS ] should be 0,0,255,255
[ 31: PASS ] should be 255,255,0,255
[ 32: PASS ] getError was expected value: INVALID_VALUE : drawArraysInstancedANGLE cannot have a primcount less than 0
[ 33: PASS ] getError was expected value: INVALID_VALUE : drawArraysInstancedANGLE cannot have a count less than 0
[ 34: PASS ] getError was expected value: INVALID_OPERATION : There must be at least one vertex attribute with a divisor of zero when calling drawArraysInstancedANGLE
[ 35: PASS ] getError was expected value: NO_ERROR : drawArraysInstancedANGLE with POINTS should succeed
[ 36: PASS ] getError was expected value: NO_ERROR : drawArraysInstancedANGLE with LINES should succeed
[ 37: PASS ] getError was expected value: NO_ERROR : drawArraysInstancedANGLE with LINE_LIST should return succeed
[ 38: PASS ] getError was expected value: NO_ERROR : drawArraysInstancedANGLE with TRIANGLE_LIST should succeed
[ 39: PASS ] getError was expected value: INVALID_ENUM : drawArraysInstancedANGLE with QUAD_STRIP should return INVALID_ENUM
[ 40: PASS ] getError was expected value: INVALID_ENUM : drawArraysInstancedANGLE with QUADS should return INVALID_ENUM
[ 41: PASS ] getError was expected value: INVALID_ENUM : drawArraysInstancedANGLE with POLYGON should return INVALID_ENUM
[ 42: FAIL ] should be 255,0,0,255 at (13, 25) expected: 255,0,0,255 was 0,0,0,0
[ 43: FAIL ] should be 0,255,0,255 at (38, 25) expected: 0,255,0,255 was 0,0,0,0
[ 44: FAIL ] should be 0,0,255,255 at (13, 0) expected: 0,0,255,255 was 0,0,0,0
[ 45: PASS ] should be 255,255,0,255
[ 46: PASS ] getError was expected value: NO_ERROR : vertex attrib divisor should affect regular drawElements when the extension is enabled
[ 47: PASS ] should be 255,255,0,255
[ 48: PASS ] should be 255,0,0,255
[ 49: PASS ] should be 0,255,0,255
[ 50: PASS ] should be 0,0,255,255
[ 51: PASS ] should be 255,255,0,255
[ 52: PASS ] getError was expected value: INVALID_VALUE : drawElementsInstancedANGLE cannot have a primcount less than 0
[ 53: PASS ] getError was expected value: INVALID_VALUE : drawElementsInstancedANGLE cannot have a count less than 0
[ 54: PASS ] getError was expected value: INVALID_OPERATION : There must be at least one vertex attribute with a divisor of zero when calling drawElementsInstancedANGLE
[ 55: PASS ] getError was expected value: NO_ERROR : drawElementsInstancedANGLE with UNSIGNED_BYTE should succeed
[ 56: PASS ] getError was expected value: NO_ERROR : drawElementsInstancedANGLE with POINTS should succeed
[ 57: PASS ] getError was expected value: NO_ERROR : drawElementsInstancedANGLE with LINES should succeed
[ 58: PASS ] getError was expected value: NO_ERROR : drawElementsInstancedANGLE with LINE_LIST should return succeed
[ 59: PASS ] getError was expected value: NO_ERROR : drawElementsInstancedANGLE with TRIANGLE_LIST should succeed
[ 60: PASS ] getError was expected value: INVALID_ENUM : drawElementsInstancedANGLE with QUAD_STRIP should return INVALID_ENUM
[ 61: PASS ] getError was expected value: INVALID_ENUM : drawElementsInstancedANGLE with QUADS should return INVALID_ENUM
[ 62: PASS ] getError was expected value: INVALID_ENUM : drawElementsInstancedANGLE with POLYGON should return INVALID_ENUM
[ 63: PASS ] getError was expected value: NO_ERROR : drawArraysInstancedANGLE should succeed
[ 64: PASS ] getError was expected value: NO_ERROR : drawArraysInstancedANGLE should succeed
[ 65: FAIL ] should be 255,0,0,255 at (25, 25) expected: 255,0,0,255 was 0,0,0,0
[ 66: PASS ] Successfully enabled OES_vertex_array_object extension
[ 67: PASS ] entire canvas should be red
[ 68: PASS ] left half of canvas should be red
[ 69: PASS ] right half of canvas should be blue
[ 70: PASS ] Passed test 0 of 10
[ 71: PASS ] Passed test 1 of 10
[ 72: PASS ] Passed test 2 of 10
[ 73: PASS ] Passed test 3 of 10
[ 74: PASS ] Passed test 4 of 10
[ 75: PASS ] Passed test 5 of 10
[ 76: PASS ] Passed test 6 of 10
[ 77: PASS ] Passed test 7 of 10
[ 78: PASS ] Passed test 8 of 10
[ 79: PASS ] Passed test 9 of 10
[ 80: PASS ] Passed test 10 of 10
[ 81: PASS ] successfullyParsed is true
[ FAIL ] 4 failures reported