texSubImage2DHTMLBadArgs.html

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Tests.startUnit = function () {

  var canvas = document.getElementById('gl');

  var gl = wrapGLContext(getGLContext(canvas));

  var tex = gl.createTexture();

  gl.bindTexture(gl.TEXTURE_2D, tex);

  return [gl, tex];

Tests.testTexImage2D = function(gl) {

    var b = document.createElement('b');

    var div = document.createElement('div');

    var c = document.getElementById('c');

    assertOk("make texture",

         function() {gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, c); });

    assertGLError(gl, gl.INVALID_VALUE, "y + height > texture height",

        function() {gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 1, gl.RGBA, gl.UNSIGNED_BYTE, c); });

    assertGLError(gl, gl.INVALID_VALUE, "x + width > texture width",

        function() {gl.texSubImage2D(gl.TEXTURE_2D, 0, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, c); });

    assertGLError(gl, gl.INVALID_VALUE, "negative x",

        function() {gl.texSubImage2D(gl.TEXTURE_2D, 0, -1, 0, gl.RGBA, gl.UNSIGNED_BYTE, c); });

    assertGLError(gl, gl.INVALID_VALUE, "negative y",

        function() {gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, -1, gl.RGBA, gl.UNSIGNED_BYTE, c); });

    assertGLError(gl, gl.INVALID_VALUE, "negative level",

        function() {gl.texSubImage2D(gl.TEXTURE_2D, -1, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, c); });

    assertThrowNoGLError(gl, "bad element b",

        function() {gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGBA, gl.UNSIGNED_BYTE, b); });

    assertThrowNoGLError(gl, "bad element div",

        function() {gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGBA, gl.UNSIGNED_BYTE, div); });

    assertThrowNoGLError(gl, "no element",

        function() {gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGBA, gl.UNSIGNED_BYTE, 0); });

    assertThrowNoGLError(gl, "string as data",

        function() {gl.texSubImage2D(gl.TEXTURE_2D, 0,0, 0, gl.RGBA, gl.UNSIGNED_BYTE, "foo"); });

    assertGLError(gl, gl.INVALID_ENUM, "bad target",

        function() {gl.texSubImage2D(gl.FLOAT, 0, 0,0, gl.RGBA, gl.UNSIGNED_BYTE, c); });

    assertOk("good args",

         function() {gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, c); });

    assertGLError(gl, gl.INVALID_OPERATION, "format not same as original",

        function() {gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGB, gl.UNSIGNED_BYTE, c); });

    assertGLError(gl, gl.INVALID_OPERATION, "type not same as original",

        function() {gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGBA, gl.UNSIGNED_SHORT_4_4_4_4, c); });

    assertOk("make texture RGB",

         function() {gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, c); });

    assertOk("format same as original RGB",

        function() {gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGB, gl.UNSIGNED_BYTE, c); });

    assertGLError(gl, gl.INVALID_OPERATION, "format not same as original RGB",

        function() {gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGBA, gl.UNSIGNED_BYTE, c); });

    assertGLError(gl, gl.INVALID_OPERATION, "type not same as original RGB",

        function() {gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGB, gl.UNSIGNED_SHORT_5_6_5, c); });

    assertOk("make texture RGBA 4_4_4_4",

         function() {gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_SHORT_4_4_4_4, c); });

    assertOk("format same as original RGBA 4_4_4_4",

        function() {gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGBA, gl.UNSIGNED_SHORT_4_4_4_4, c); });

    assertGLError(gl, gl.INVALID_OPERATION, "format not same as original RGBA 4_4_4_4",

        function() {gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGB, gl.UNSIGNED_BYTE, c); });

    assertGLError(gl, gl.INVALID_OPERATION, "type not same as original RGBA 4_4_4_4",

        function() {gl.texSubImage2D(gl.TEXTURE_2D, 0, 0,0, gl.RGBA, gl.UNSIGNED_BYTE, c); });

Tests.endUnit = function(gl, tex) {

    gl.bindTexture(gl.TEXTURE_2D, null);

    gl.deleteTexture(tex);

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<canvas id="gl" width="16" height="16"></canvas>

<canvas id="c" width="16" height="16"></canvas>

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