WebGL tests for Canvas.requestShaderSource command.


== Running test suite: Canvas.requestShaderSource.WebGL
-- Running test case: Canvas.requestShaderSource.WebGL.Vertex

    void main(void) {
        gl_Position = vec4(0.0, 0.0, 0.0, 1.0);
    }


-- Running test case: Canvas.requestShaderSource.WebGL.Fragment

    precision mediump float;

    void main(void) {
        gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);
    }


-- Running test case: Canvas.requestShaderSource.WebGL.ShaderType.Invalid
PASS: Should produce an error.
Error: Unknown shaderType: INVALID_SHADER_TYPE