1 files changed, 60 insertions, 0 deletions
diff --git a/gfx/angle/src/tests/compiler_tests/PruneEmptyDeclarations_test.cpp b/gfx/angle/src/tests/compiler_tests/PruneEmptyDeclarations_test.cpp
new file mode 100755
index 000000000..6b59e0cd5
--- /dev/null
+++ b/gfx/angle/src/tests/compiler_tests/PruneEmptyDeclarations_test.cpp
@@ -0,0 +1,60 @@
+//
+// Copyright (c) 2016 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.
+//
+// PruneEmptyDeclarations_test.cpp:
+//   Tests for pruning empty declarations.
+//
+
+#include "angle_gl.h"
+#include "gtest/gtest.h"
+#include "GLSLANG/ShaderLang.h"
+#include "tests/test_utils/compiler_test.h"
+
+using namespace sh;
+
+namespace
+{
+
+class PruneEmptyDeclarationsTest : public MatchOutputCodeTest
+{
+  public:
+    PruneEmptyDeclarationsTest()
+        : MatchOutputCodeTest(GL_VERTEX_SHADER, 0, SH_GLSL_COMPATIBILITY_OUTPUT)
+    {
+    }
+};
+
+TEST_F(PruneEmptyDeclarationsTest, EmptyDeclarationStartsDeclaratorList)
+{
+    const std::string shaderString =
+        "precision mediump float;\n"
+        "uniform float u;\n"
+        "void main()\n"
+        "{\n"
+        "   float, f;\n"
+        "   gl_Position = vec4(u * f);\n"
+        "}\n";
+    compile(shaderString);
+    ASSERT_TRUE(foundInCode("float f"));
+    ASSERT_TRUE(notFoundInCode("float, f"));
+}
+
+TEST_F(PruneEmptyDeclarationsTest, EmptyStructDeclarationWithQualifiers)
+{
+    const std::string shaderString =
+        "precision mediump float;\n"
+        "const struct S { float f; };\n"
+        "uniform S s;"
+        "void main()\n"
+        "{\n"
+        "   gl_Position = vec4(s.f);\n"
+        "}\n";
+    compile(shaderString);
+    ASSERT_TRUE(foundInCode("struct S"));
+    ASSERT_TRUE(foundInCode("uniform S"));
+    ASSERT_TRUE(notFoundInCode("const struct S"));
+}
+
+}  // namespace