blob: 6b59e0cd5cba97b7659d565554ca1d0e003da61d [file] [log] [blame]
//
// 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