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<title>WebGL gl.ENABLE enums Conformance Tests</title>
<link rel="stylesheet" href="../../resources/js-test-style.css"/>
<script src="../../js/desktop-gl-constants.js"></script>
<script src="../../js/js-test-pre.js"></script>
<script src="../../js/webgl-test-utils.js"></script>
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<script>
"use strict";
description("This test ensures WebGL implementations allow OpenGL ES 2.0 features to be turned on but not non OpenGL ES 2.0 features.");

var wtu = WebGLTestUtils;

var invalidEnums = [
  'ALPHA_TEST',
  'AUTO_NORMAL',
  'CLIP_PLANE0',
  'CLIP_PLANE1',
  'COLOR_LOGIC_OP',
  'COLOR_MATERIAL',
  'COLOR_SUM',
  'COLOR_TABLE',
  //'CONVOLUTION_1D',
  //'CONVOLUTION_2D',
  'FOG',
  'HISTOGRAM',
  'INDEX_LOGIC_OP',
  'LIGHT0',
  'LIGHT1',
  'LIGHTING',
  'LINE_SMOOTH',
  'LINE_STIPPLE',
  'MAP1_COLOR_4',
  'MAP1_INDEX',
  'MAP1_NORMAL',
  'MAP1_TEXTURE_COORD_1',
  'MAP1_TEXTURE_COORD_2',
  'MAP1_TEXTURE_COORD_3',
  'MAP1_TEXTURE_COORD_4',
  'MAP1_VERTEX_3',
  'MAP1_VERTEX_4',
  'MAP2_COLOR_4',
  'MAP2_INDEX',
  'MAP2_NORMAL',
  'MAP2_TEXTURE_COORD_1',
  'MAP2_TEXTURE_COORD_2',
  'MAP2_TEXTURE_COORD_3',
  'MAP2_TEXTURE_COORD_4',
  'MAP2_VERTEX_3',
  'MAP2_VERTEX_4',
  'MINMAX',
  'MULTISAMPLE',
  'NORMALIZE',
  'POINT_SMOOTH',
  'POINT_SPRITE',
  'POLYGON_OFFSET_LINE',
  'POLYGON_OFFSET_POINT',
  'POLYGON_SMOOTH',
  'POLYGON_STIPPLE',
  'POST_COLOR_MATRIX_COLOR_TABLE',
  'POST_CONVOLUTION_COLOR_TABLE',
  'RESCALE_NORMAL',
  'SAMPLE_ALPHA_TO_ONE',
  //'SEPARABLE_2D',
  'TEXTURE_1D',
  'TEXTURE_2D',
  'TEXTURE_3D',
  'TEXTURE_CUBE_MAP',
  'TEXTURE_GEN_Q',
  'TEXTURE_GEN_R',
  'TEXTURE_GEN_S',
  'TEXTURE_GEN_T',
  'VERTEX_PROGRAM_POINT_SIZE',
  'VERTEX_PROGRAM_TWO_SIDE'
];
var validEnums = [
  'BLEND',
  'CULL_FACE',
  'DEPTH_TEST',
  'DITHER',
  'POLYGON_OFFSET_FILL',
  'SAMPLE_ALPHA_TO_COVERAGE',
  'SAMPLE_COVERAGE',
  'SCISSOR_TEST',
  'STENCIL_TEST'
];

var gl;

function runNegativeTests() {
  debug("");
  debug("Running negative tests");

  gl = wtu.create3DContext();
  if (!gl) {
    testFailed("context does not exist");
    return;
  }
  testPassed("context exists");

  for (var ii = 0; ii < invalidEnums.length; ++ii) {
    var name = invalidEnums[ii];
    gl.enable(desktopGL[name]);
    wtu.glErrorShouldBe(gl, gl.INVALID_ENUM,
              "gl.enable must set INVALID_ENUM when passed GL_" + name );
  }
}

function runPositiveTestsWithParameters(params) {
  debug("");
  debug("Running positive tests with parameters: " + JSON.stringify(params));

  // Pass null for the canvas, to make sure we create a new context each time.
  var newgl = wtu.create3DContext(null, params);
  if (gl == newgl) {
    testFailed("got an old context");
    return;
  }
  gl = newgl;
  if (!gl) {
    testFailed("context does not exist");
    return;
  }
  testPassed("context exists");

  debug("Checking gl.ENABLE enums.");

  for (var ii = 0; ii < validEnums.length; ++ii) {
    var name = validEnums[ii];
    gl.enable(gl[name]);
    wtu.glErrorShouldBe(gl, gl.NO_ERROR,
              "gl.enable must succeed when passed gl." + name );
    shouldBe('gl.isEnabled(gl.' + name + ')', 'true');
    shouldBe('gl.getParameter(gl.' + name + ')', 'true');
    gl.disable(gl[name]);
    shouldBe('gl.isEnabled(gl.' + name + ')', 'false');
    shouldBe('gl.getParameter(gl.' + name + ')', 'false');
    wtu.glErrorShouldBe(gl, gl.NO_ERROR,
              "gl.isEnabled and gl.GetParameter must not set errors when passed GL_" + name );
  }

  wtu.glErrorShouldBe(gl, gl.NO_ERROR, "there should be no errors");
}

runNegativeTests();
runPositiveTestsWithParameters({alpha: true, antialias: true, stencil: true, depth: true});
runPositiveTestsWithParameters({alpha: false, antialias: true, stencil: true, depth: true});
runPositiveTestsWithParameters({alpha: true, antialias: false, stencil: true, depth: true});
runPositiveTestsWithParameters({alpha: true, antialias: true, stencil: false, depth: true});
runPositiveTestsWithParameters({alpha: true, antialias: true, stencil: true, depth: false});

debug("");
var successfullyParsed = true;

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