1 files changed, 43 insertions, 0 deletions
diff --git a/gfx/angle/src/tests/compiler_tests/BuiltInFunctionEmulator_test.cpp b/gfx/angle/src/tests/compiler_tests/BuiltInFunctionEmulator_test.cpp
new file mode 100644
index 000000000..edf979f53
--- /dev/null
+++ b/gfx/angle/src/tests/compiler_tests/BuiltInFunctionEmulator_test.cpp
@@ -0,0 +1,43 @@
+//
+// Copyright (c) 2015 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// BuiltInFunctionEmulator_test.cpp:
+//   Tests for writing the code for built-in function emulation.
+//
+
+#include "angle_gl.h"
+#include "gtest/gtest.h"
+#include "GLSLANG/ShaderLang.h"
+#include "tests/test_utils/compiler_test.h"
+
+namespace
+{
+
+// Test for the SH_EMULATE_BUILT_IN_FUNCTIONS flag.
+class EmulateBuiltInFunctionsTest : public MatchOutputCodeTest
+{
+  public:
+    EmulateBuiltInFunctionsTest()
+        : MatchOutputCodeTest(GL_VERTEX_SHADER,
+                              SH_EMULATE_BUILT_IN_FUNCTIONS,
+                              SH_GLSL_COMPATIBILITY_OUTPUT)
+    {
+    }
+};
+
+TEST_F(EmulateBuiltInFunctionsTest, DotEmulated)
+{
+    const std::string shaderString =
+        "precision mediump float;\n"
+        "uniform float u;\n"
+        "void main()\n"
+        "{\n"
+        "   gl_Position = vec4(dot(u, 1.0), 1.0, 1.0, 1.0);\n"
+        "}\n";
+    compile(shaderString);
+    ASSERT_TRUE(foundInCode("webgl_dot_emu("));
+}
+
+} // namespace