1 files changed, 123 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/js/tests/gl-enum-tests.js b/dom/canvas/test/webgl-conf/checkout/js/tests/gl-enum-tests.js
new file mode 100644
index 0000000000..32d451f7a2
--- /dev/null
+++ b/dom/canvas/test/webgl-conf/checkout/js/tests/gl-enum-tests.js
@@ -0,0 +1,123 @@
+/*
+Copyright (c) 2019 The Khronos Group Inc.
+Use of this source code is governed by an MIT-style license that can be
+found in the LICENSE.txt file.
+*/
+
+// This test relies on the surrounding web page defining a variable
+// "contextVersion" which indicates what version of WebGL it's running
+// on -- 1 for WebGL 1.0, 2 for WebGL 2.0, etc.
+
+"use strict";
+description("This test ensures various WebGL functions fail when passed invalid OpenGL ES enums.");
+
+debug("");
+debug("Canvas.getContext");
+
+var wtu = WebGLTestUtils;
+var gl = wtu.create3DContext("canvas", undefined, contextVersion);
+if (!gl) {
+  testFailed("context does not exist");
+} else {
+  testPassed("context exists");
+
+  debug("");
+  debug("Checking gl enums.");
+
+  var buffer = new ArrayBuffer(2);
+  var buf = new Uint16Array(buffer);
+  var tex = gl.createTexture();
+  var program = wtu.createProgram(gl, wtu.loadStandardVertexShader(gl), wtu.loadStandardFragmentShader(gl));
+  gl.bindBuffer(gl.ARRAY_BUFFER, gl.createBuffer());
+  wtu.glErrorShouldBe(gl, gl.NO_ERROR);
+
+  var tests = [
+    "gl.disable(desktopGL['CLIP_PLANE0'])",
+    "gl.disable(desktopGL['POINT_SPRITE'])",
+    "gl.getBufferParameter(gl.ARRAY_BUFFER, desktopGL['PIXEL_PACK_BUFFER'])",
+    "gl.hint(desktopGL['PERSPECTIVE_CORRECTION_HINT'], gl.FASTEST)",
+    "gl.isEnabled(desktopGL['CLIP_PLANE0'])",
+    "gl.isEnabled(desktopGL['POINT_SPRITE'])",
+    "gl.pixelStorei(desktopGL['PACK_SWAP_BYTES'], 1)",
+    "gl.getParameter(desktopGL['NUM_COMPRESSED_TEXTURE_FORMATS'])",
+    "gl.getParameter(desktopGL['EXTENSIONS'])",
+    "gl.getParameter(desktopGL['SHADER_COMPILER'])",
+    "gl.getParameter(desktopGL['SHADER_BINARY_FORMATS'])",
+    "gl.getParameter(desktopGL['NUM_SHADER_BINARY_FORMATS'])",
+  ];
+
+  if (contextVersion < 2) {
+    tests = tests.concat([
+      "gl.blendEquation(desktopGL['MIN'])",
+      "gl.blendEquation(desktopGL['MAX'])",
+      "gl.blendEquationSeparate(desktopGL['MIN'], gl.FUNC_ADD)",
+      "gl.blendEquationSeparate(desktopGL['MAX'], gl.FUNC_ADD)",
+      "gl.blendEquationSeparate(gl.FUNC_ADD, desktopGL['MIN'])",
+      "gl.blendEquationSeparate(gl.FUNC_ADD, desktopGL['MAX'])",
+      "gl.bufferData(gl.ARRAY_BUFFER, 16, desktopGL['STREAM_READ'])",
+      "gl.bufferData(gl.ARRAY_BUFFER, 16, desktopGL['STREAM_COPY'])",
+      "gl.bufferData(gl.ARRAY_BUFFER, 16, desktopGL['STATIC_READ'])",
+      "gl.bufferData(gl.ARRAY_BUFFER, 16, desktopGL['STATIC_COPY'])",
+      "gl.bufferData(gl.ARRAY_BUFFER, 16, desktopGL['DYNAMIC_READ'])",
+      "gl.bufferData(gl.ARRAY_BUFFER, 16, desktopGL['DYNAMIC_COPY'])",
+      "gl.bindTexture(desktopGL['TEXTURE_2D_ARRAY'], tex)",
+      "gl.bindTexture(desktopGL['TEXTURE_3D'], tex)",
+    ]);
+  } else {
+    tests = tests.concat([
+      "gl.bindTexture(desktopGL['TEXTURE_RECTANGLE_EXT'], tex)",
+      "gl.enable(desktopGL['PRIMITIVE_RESTART_FIXED_INDEX'])",
+      "gl.getActiveUniforms(program, [0], desktopGL['UNIFORM_NAME_LENGTH'])",
+      "gl.getProgramParameter(program, desktopGL['ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH'])",
+      "gl.getProgramParameter(program, desktopGL['TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH'])",
+      "gl.getProgramParameter(program, desktopGL['PROGRAM_BINARY_RETRIEVABLE_HINT'])",
+      "gl.getProgramParameter(program, desktopGL['PROGRAM_BINARY_LENGTH'])",
+      "gl.getParameter(program, desktopGL['NUM_PROGRAM_BINARY_FORMATS'])",
+    ]);
+  }
+
+  for (var ii = 0; ii < tests.length; ++ii) {
+    TestEval(tests[ii]);
+    wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, tests[ii] + " should return INVALID_ENUM.");
+  }
+
+  gl.bindTexture(gl.TEXTURE_2D, tex);
+  wtu.glErrorShouldBe(gl, gl.NO_ERROR);
+
+  tests = [
+    "gl.getTexParameter(gl.TEXTURE_2D, desktopGL['GENERATE_MIPMAP'])",
+    "gl.texParameteri(gl.TEXTURE_2D, desktopGL['GENERATE_MIPMAP'], 1)",
+    "gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, desktopGL['CLAMP_TO_BORDER'])",
+  ];
+
+  if (contextVersion < 2) {
+    tests = tests.concat([
+      "gl.texParameteri(desktopGL['TEXTURE_2D_ARRAY'], gl.TEXTURE_MAG_FILTER, gl.NEAREST)",
+      "gl.texParameteri(desktopGL['TEXTURE_3D'], gl.TEXTURE_MAG_FILTER, gl.NEAREST)",
+    ]);
+  } else {
+    tests = tests.concat([
+      "gl.texParameteri(desktopGL['TEXTURE_2D'], desktopGL['TEXTURE_SWIZZLE_R_EXT'], gl.RED)",
+      "gl.texParameteri(desktopGL['TEXTURE_2D'], desktopGL['TEXTURE_SWIZZLE_G_EXT'], gl.RED)",
+      "gl.texParameteri(desktopGL['TEXTURE_2D'], desktopGL['TEXTURE_SWIZZLE_B_EXT'], gl.RED)",
+      "gl.texParameteri(desktopGL['TEXTURE_2D'], desktopGL['TEXTURE_SWIZZLE_A_EXT'], gl.RED)",
+      "gl.texParameteri(desktopGL['TEXTURE_2D'], gl.TEXTURE_WRAP_R, desktopGL['CLAMP_TO_BORDER'])",
+    ]);
+  }
+
+  for (var ii = 0; ii < tests.length; ++ii) {
+    TestEval(tests[ii]);
+    wtu.glErrorShouldBe(gl, gl.INVALID_ENUM, tests[ii] + " should return INVALID_ENUM.");
+  }
+  if (contextVersion >= 2) {
+    var uniformBlockProgram = wtu.loadUniformBlockProgram(gl);
+    gl.linkProgram(uniformBlockProgram);
+    shouldBe('gl.getProgramParameter(uniformBlockProgram, gl.LINK_STATUS)', 'true');
+    shouldBe('gl.getError()', 'gl.NO_ERROR');
+    gl.getActiveUniformBlockParameter(uniformBlockProgram, 0, desktopGL['UNIFORM_BLOCK_NAME_LENGTH']);
+    shouldBe('gl.getError()', 'gl.INVALID_ENUM');
+  }
+}
+
+debug("");
+var successfullyParsed = true;