gl-initial-state.html

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<title>WebGL gl.getParameter initial values Tests</title>

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"use strict";

description("This test checks the initial value of the OpenGL state");

debug("");

debug("Canvas.getContext");

var wtu = WebGLTestUtils;

var gl = wtu.create3DContext("canvas");

if (!gl) {

  testFailed("context does not exist");

} else {

  testPassed("context exists");

  debug("");

  checkParameterInitialValue("ONE", "BLEND_SRC_RGB");

  checkParameterInitialValue("ONE", "BLEND_SRC_ALPHA");

  checkParameterInitialValue("ZERO", "BLEND_DST_RGB");

  checkParameterInitialValue("ZERO", "BLEND_DST_ALPHA");

  shouldBe("gl.getError()", "gl.NO_ERROR");

function checkParameterInitialValue(expected, enum_val) {

  var s = gl.getParameter(gl[enum_val]);

  if (s === gl[expected]) {

    testPassed("getParameter(gl." + enum_val + ") returned " + expected + " which is " + gl[expected]);

  } else {

    testFailed("getParameter(gl." + enum_val + ") returned " + s + " expected: " + expected + " which is " + gl[expected]);

debug("");

var successfullyParsed = true;

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