Test highlighting of shader programs.


== Running test suite: Canvas.setShaderProgramHighlighted
-- Running test case: Canvas.setShaderProgramHighlighted.highlightedDrawArrays
data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAASwAAACWCAYAAABkW7XSAAAAAXNSR0IArs4c6QAAB4NJREFUeAHt3DGOW1UUgGEnlKmHCokeJFZAxT6QaNhHCsQa2AEFFFSIBaSAhiJSGqQUEwkJlIoeaRhQDp7E9vgdz3v2Pe98SOgO9rV973ee/pJHm83m5vZf/xAgQGB4gcfDn9ABCRAg8EZAsDwKBAiUERCsMqNyUAIEBMszQIBAGQHBKjMqByVAQLA8AwQIlBEQrDKjclACBATLM0CAQBkBwSozKgclQECwPAMECJQREKwyo3JQAgQEyzNAgEAZAcEqMyoHJUBAsDwDBAiUERCsMqNyUAIEBMszQIBAGQHBKjMqByVAQLA8AwQIlBEQrDKjclACBATLM0CAQBkBwSozKgclQECwPAMECJQREKwyo3JQAgQEyzNAgEAZAcEqMyoHJUBAsDwDBAiUERCsMqNyUAIEBMszQIBAGQHBKjMqByVAQLA8AwQIlBEQrDKjclACBATLM0CAQBkBwSozKgclQECwPAMECJQREKwyo3JQAgQEyzNAgEAZAcFKjOrDTz59ndhuKwECMwu8d/t9T2f+ztV+3Te/X//4wUefv/7jt1+f/PXnqyervaiLERhU4NHtuW4GPdtwx/r275vv4lA/f//y6oevv/j4+vmzq3jNSoDAsgKClfC9G6z4mHCFhJXA8gKClTDeF6z4uHCFhJXAcgKClbC9L1jxNcIVElYC8wsIVsJ0SrDi64QrJKwE5hMQrIRlJljxtcIVElYCDxcQrIThKcGKrxeukLASOF1AsBJ2DwlW/IxwhYSVQF5AsBJmcwQrfk64QsJKYLqAYE232swZrPhZ4QoJK4HjAoJ13Oj/HUsEK75cuELCSuCwgGAdttl5Z8lgxY8JV0hYCewKCNauycFXzhGs+HHhCgkrga2AYG0tjv51zmDFYYQrJKwENhvBSjwFlwhWHE+4QsLaWUCwEtO/ZLDimMIVEtaOAoKVmPoIwYrjCldIWDsJCFZi2iMFK44tXCFh7SAgWIkpjxisOL5whYR1zQKClZjuyMGKawhXSFjXKCBYialWCFZcR7hCwromAcFKTLNSsOJawhUS1jUICFZiihWDFdcTrpCwVhYQrMT0KgcrrilcIWGtKCBYiamtIVhxXeEKCWslAcFKTGtNwYprC1dIWCsICFZiSmsMVlxfuELCOrKAYCWms+ZgBYNwhYR1RAHBSkylQ7CCQ7hCwjqSgGAlptEpWMEiXCFhHUFAsBJT6Bis4BGukLBeUkCwEvqdgxVMwhUS1ksICFZCXbC2WMK1tfDX+QQEK2EtWLtYwrVr4pXlBAQrYStYh7GE67CNd+YTEKyEpWAdxxKu40Z2nC4gWAk7wZqOJVzTreycLiBY0602gpXAerNVuPJmPnFYQLAO2+y8I1g7JJNfEK7JVDbeIyBY9+C8+5ZgvSuS/2/hypv5xFZAsLYWR/8SrKNEkzcI12QqG+8ICNYdjGN/CtYxofz7wpU36/wJwUpMX7ASWMmtwpUEa7pdsBKDF6wE1olbhetEuCYfE6zEoAUrgfXArcL1QMCVflywEoMVrATWTFuFaybIlXyNYCUGKVgJrJm3CtfMoEW/TrASgxOsBNZCW4VrIdgiXytYiUEJVgJr4a3CtTDwoF8vWInBCFYC60xbhetM0IP8jGAlBiFYCawzbxWuM4Nf6OcEKwEvWAmsC20VrgvBn+lnBSsBLVgJrAtvFa4LD2ChnxesBKxgJbAG2SpcgwxipmMIVgJSsBJYg20VrsEGcuJxBCsBJ1gJrEG3Ctegg5l4LMGaCPXvNsFKYA2+VbgGH9CB4wnWAZh9LwvWPpXarwlXrfkJVmJegpXAKrZVuGoMTLAScxKsBFbRrcI19uAEKzEfwUpgFd8qXGMOULAScxGsBNZKtgrXWIMUrMQ8BCuBtbKtwjXGQAUrMQfBSmCtdKtwXXawgpXwF6wE1sq3CtdlBixYCXfBSmA12Spc5x20YCW8BSuB1WyrcJ1n4IKVcBasBFbTrcK17OAFK+ErWAms5luFa5kHQLASroKVwLL1PwHhmvdBEKyEp2AlsGx9S0C43uI4+T8EK0EnWAksW/cKCNdelskvCtZkKv8/rASVrUcEhOsI0IG3BesAzL6XP/vyqxf7XvcagVMFXv7y0/vXz59dnfr5bp8TrG4Td18ChQUeFz67oxMg0ExAsJoN3HUJVBYQrMrTc3YCzQQEq9nAXZdAZQHBqjw9ZyfQTECwmg3cdQlUFhCsytNzdgLNBASr2cBdl0BlAcGqPD1nJ9BMQLCaDdx1CVQWEKzK03N2As0EBKvZwF2XQGUBwao8PWcn0ExAsJoN3HUJVBYQrMrTc3YCzQQEq9nAXZdAZQHBqjw9ZyfQTECwmg3cdQlUFhCsytNzdgLNBASr2cBdl0BlAcGqPD1nJ9BMQLCaDdx1CVQWEKzK03N2As0EBKvZwF2XQGUBwao8PWcn0ExAsJoN3HUJVBYQrMrTc3YCzQQEq9nAXZdAZQHBqjw9ZyfQTECwmg3cdQlUFhCsytNzdgLNBASr2cBdl0BlAcGqPD1nJ9BMQLCaDdx1CVQWEKzK03N2As0EBKvZwF2XQGWBfwDSnDm7TAr3vgAAAABJRU5ErkJggg==

-- Running test case: Canvas.setShaderProgramHighlighted.highlightedDrawElements
data:image/png;base64,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

-- Running test case: Canvas.setShaderProgramHighlighted.unhighlightedDrawArrays
data:image/png;base64,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

-- Running test case: Canvas.setShaderProgramHighlighted.unhighlightedDrawElements
data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAASwAAACWCAYAAABkW7XSAAAAAXNSR0IArs4c6QAABodJREFUeAHt1I1OG0kQhVGI9r2BJyesEhQCJhhXT3XfnhNptcG4f+bU5Lu/u7t7fvnPHwIECCwv8GP5G7ogAQIEfgsIlleBAIEYAcGKGZWLEiAgWN4BAgRiBAQrZlQuSoCAYHkHCBCIERCsmFG5KAECguUdIEAgRkCwYkblogQICJZ3gACBGAHBihmVixIgIFjeAQIEYgQEK2ZULkqAgGB5BwgQiBEQrJhRuSgBAoLlHSBAIEZAsGJG5aIECAiWd4AAgRgBwYoZlYsSICBY3gECBGIEBCtmVC5KgIBgeQcIEIgREKyYUbkoAQKC5R0gQCBGQLBiRuWiBAgIlneAAIEYAcGKGZWLEiAgWN4BAgRiBAQrZlQuSoCAYHkHCBCIERCsmFG5KAECguUdIEAgRkCwYkblogQICJZ3gACBGAHBihmVixIgIFjeAQIEYgQEK2ZULrqjwOPj446Pddgz3b/s/HzY7jYmQOCiwGuoHh4e7u7v//9n6M81Av9d8yXfIUBgjMDbUI3Z8Vy7CNa55u1pJwkI1Rh4wRrjaBcCFwWE6iLLzR8K1s10FhL4XECoPrep/EawKnrWEngnIFTvQAb/KFiDQW13TgGh6pm7YPU4O2VTAaHqHaxg9Xo7bRMBoZozSMGa4+7UUAGhmjs4wZrr7/QQAaFaY1CCtcYc3GJRAaFaazCCtdY83GYRAaFaZBDvriFY70D8eG4BoVp7/oK19nzcrklAqJqgi8cIVhHQ8mwBocqan2BlzcttBwkI1SDI5m0EqxnccXMFhGquf/V0waoKWh8hIFQRY/rykoL1JZEvJAsIVfL0Pt5dsD6a+GQDAaHaYIgXHkGwLqD4KFdAqHJnd83NBesaJd9ZXkColh/RkAsK1hBGm8wSEKpZ8nPOFaw57k4tCghVETB0uWCFDu6s1xaqs07+13ML1rnnH/P0QhUzqkMvKliH8tq8KiBUVcG91gvWXvPc5mmEaptRDn0QwRrKabOqgFBVBfdeL1h7zzfm6YQqZlRTLypYU/kdLlTege8ICNZ3tHx3mIBQDaM81UaCdapxz39YoZo/g+QbCFby9ILuLlRBw1r4qoK18HB2uJpQ7TDFdZ5BsNaZxVY3EaqtxrnMwwjWMqPY4yJCtcccV30KwVp1MmH3EqqwgYVeV7BCB7fKtYVqlUmc4x6CdY45D39KoRpOasMrBATrCiRf+SMgVH8s/K1fQLD6zSNPFKrIsW13acHabqRjH0ioxnrarSYgWDW/bVcL1bajjX4wwYoe3/jLC9V4UzuOExCscZbROwlV9PhOc3nBOs2oLz+oUF128emaAoK15lwOv5VQHU7sgAMEBOsA1JW3FKqVp+NuXwkI1ldCm/xeqDYZ5MkfQ7A2fwGEavMBn+zxBGvTgQvVpoM9+WMJ1mYvgFBtNlCP85eAYP3FkfuDUOXOzs2vFxCs662W/KZQLTkWlzpIQLAOgj16W6E6Wtj+KwoI1opT+cedhOofOH61vYBghYxYqEIG5ZqHCgjWobz1zYWqbmiHfQQEa9FZCtWig3GtqQKCNZX/4+FC9dHEJwReBQTrVWLy/4Vq8gAcHyEgWJPHJFSTB+D4KAHBmjQuoZoE79hoAcFqHp9QNYM7bisBwWoap1A1QTtmawHBOni8QnUwsO1PJSBYB41bqA6Cte2pBQRr8PiFajCo7Qi8ERCsNxiVvwpVRc9aAtcJCNZ1Tp9+S6g+pfELAsMFBOtGUqG6Ec4yAgUBwfomnlB9E8zXCQwUEKwbMZ+enm5caRkBArcK3L8sfL51sXUECBDoFPjReZizCBAgUBEQrIqetQQItAoIViu3wwgQqAgIVkXPWgIEWgUEq5XbYQQIVAQEq6JnLQECrQKC1crtMAIEKgKCVdGzlgCBVgHBauV2GAECFQHBquhZS4BAq4BgtXI7jACBioBgVfSsJUCgVUCwWrkdRoBARUCwKnrWEiDQKiBYrdwOI0CgIiBYFT1rCRBoFRCsVm6HESBQERCsip61BAi0CghWK7fDCBCoCAhWRc9aAgRaBQSrldthBAhUBASromctAQKtAoLVyu0wAgQqAoJV0bOWAIFWAcFq5XYYAQIVAcGq6FlLgECrgGC1cjuMAIGKgGBV9KwlQKBVQLBauR1GgEBFQLAqetYSINAqIFit3A4jQKAiIFgVPWsJEGgVEKxWbocRIFAREKyKnrUECLQKCFYrt8MIEKgICFZFz1oCBFoFfgJUguTj1eIlHgAAAABJRU5ErkJggg==

-- Running test case: Canvas.setShaderProgramHighlighted.invalidProgramId
PASS: Should produce an error.
Error: No shader program for given identifier.