Added operator test.

tests/build_tests.gyp

@@ -33,6 +33,7 @@
         'preprocessor_tests/identifier_test.cpp',
         'preprocessor_tests/location_test.cpp',
         'preprocessor_tests/number_test.cpp',
+        'preprocessor_tests/operator_test.cpp',
         'preprocessor_tests/token_test.cpp',
         'preprocessor_tests/space_test.cpp',
       ],

tests/preprocessor_tests/operator_test.cpp

+//
+// Copyright (c) 2012 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.
+//
+
+#include "gtest/gtest.h"
+#include "Preprocessor.h"
+#include "Token.h"
+
+#if GTEST_HAS_PARAM_TEST
+
+struct OperatorTestParam
+{
+    const char* str;
+    int op;
+};
+
+class OperatorTest : public testing::TestWithParam<OperatorTestParam>
+{
+};
+
+TEST_P(OperatorTest, Identified)
+{
+    OperatorTestParam param = GetParam();
+
+    pp::Token token;
+    pp::Preprocessor preprocessor;
+    ASSERT_TRUE(preprocessor.init(1, &param.str, 0));
+    EXPECT_EQ(param.op, preprocessor.lex(&token));
+    EXPECT_EQ(param.op, token.type);
+}
+
+static const OperatorTestParam kOperators[] = {
+    {"(", '('},
+    {")", ')'},
+    {"[", '['},
+    {"]", ']'},
+    {".", '.'},
+    {"+", '+'},
+    {"-", '-'},
+    {"~", '~'},
+    {"!", '!'},
+    {"*", '*'},
+    {"/", '/'},
+    {"%", '%'},
+    {"<", '<'},
+    {">", '>'},
+    {"&", '&'},
+    {"^", '^'},
+    {"|", '|'},
+    {"?", '?'},
+    {":", ':'},
+    {"=", '='},
+    {",", ','},
+    {"++",  pp::Token::OP_INC},
+    {"--",  pp::Token::OP_DEC},
+    {"<<",  pp::Token::OP_LEFT},
+    {">>",  pp::Token::OP_RIGHT},
+    {"<=",  pp::Token::OP_LE},
+    {">=",  pp::Token::OP_GE},
+    {"==",  pp::Token::OP_EQ},
+    {"!=",  pp::Token::OP_NE},
+    {"&&",  pp::Token::OP_AND},
+    {"^^",  pp::Token::OP_XOR},
+    {"||",  pp::Token::OP_OR},
+    {"+=",  pp::Token::OP_ADD_ASSIGN},
+    {"-=",  pp::Token::OP_SUB_ASSIGN},
+    {"*=",  pp::Token::OP_MUL_ASSIGN},
+    {"/=",  pp::Token::OP_DIV_ASSIGN},
+    {"%=",  pp::Token::OP_MOD_ASSIGN},
+    {"<<=", pp::Token::OP_LEFT_ASSIGN},
+    {">>=", pp::Token::OP_RIGHT_ASSIGN},
+    {"&=",  pp::Token::OP_AND_ASSIGN},
+    {"^=",  pp::Token::OP_XOR_ASSIGN},
+    {"|=",  pp::Token::OP_OR_ASSIGN}
+};
+
+INSTANTIATE_TEST_CASE_P(All, OperatorTest,
+                        testing::ValuesIn(kOperators));
+
+#endif  // GTEST_HAS_PARAM_TEST