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verilog_token_classifications_test.cc
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verilog_token_classifications_test.cc
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// Copyright 2017-2020 The Verible Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "verilog/parser/verilog_token_classifications.h"
#include "gtest/gtest.h"
#include "verilog/parser/verilog_token_enum.h"
namespace verilog {
namespace {
TEST(VerilogTokenTest, IsWhitespaceTest) {
EXPECT_TRUE(IsWhitespace(verilog_tokentype::TK_NEWLINE));
EXPECT_TRUE(IsWhitespace(verilog_tokentype::TK_SPACE));
EXPECT_FALSE(IsWhitespace(verilog_tokentype::TK_class));
EXPECT_FALSE(IsWhitespace(verilog_tokentype::SymbolIdentifier));
}
// Given a verilog_tokentype, test that IsComment returns true only for comments
TEST(VerilogTokenTest, IsCommentTest) {
EXPECT_TRUE(IsComment(verilog_tokentype::TK_COMMENT_BLOCK));
EXPECT_TRUE(IsComment(verilog_tokentype::TK_EOL_COMMENT));
EXPECT_FALSE(IsComment(verilog_tokentype::DR_begin_keywords));
EXPECT_FALSE(IsComment(verilog_tokentype::SymbolIdentifier));
}
TEST(VerilogTokenTest, IsUnaryOperatorTest) {
EXPECT_FALSE(IsUnaryOperator(verilog_tokentype('*')));
EXPECT_FALSE(IsUnaryOperator(verilog_tokentype('/')));
EXPECT_TRUE(IsUnaryOperator(verilog_tokentype('+')));
EXPECT_TRUE(IsUnaryOperator(verilog_tokentype('-')));
EXPECT_TRUE(IsUnaryOperator(verilog_tokentype('~')));
EXPECT_TRUE(IsUnaryOperator(verilog_tokentype('&')));
EXPECT_TRUE(IsUnaryOperator(verilog_tokentype('!')));
EXPECT_TRUE(IsUnaryOperator(verilog_tokentype('|')));
EXPECT_TRUE(IsUnaryOperator(verilog_tokentype('^')));
EXPECT_TRUE(IsUnaryOperator(verilog_tokentype::TK_NAND));
EXPECT_TRUE(IsUnaryOperator(verilog_tokentype::TK_NOR));
EXPECT_TRUE(IsUnaryOperator(verilog_tokentype::TK_NXOR));
EXPECT_TRUE(IsUnaryOperator(verilog_tokentype::TK_INCR));
EXPECT_TRUE(IsUnaryOperator(verilog_tokentype::TK_DECR));
EXPECT_FALSE(IsUnaryOperator(verilog_tokentype(':')));
EXPECT_FALSE(IsUnaryOperator(verilog_tokentype('?')));
EXPECT_FALSE(IsUnaryOperator(verilog_tokentype(',')));
EXPECT_FALSE(IsUnaryOperator(verilog_tokentype('.')));
EXPECT_FALSE(IsUnaryOperator(verilog_tokentype(';')));
EXPECT_FALSE(IsUnaryOperator(verilog_tokentype('#')));
}
TEST(VerilogTokenTest, IsAssociativeOperatorTest) {
EXPECT_TRUE(IsAssociativeOperator(verilog_tokentype('*')));
EXPECT_FALSE(IsAssociativeOperator(verilog_tokentype('/')));
EXPECT_FALSE(IsAssociativeOperator(verilog_tokentype('%')));
EXPECT_TRUE(IsAssociativeOperator(verilog_tokentype('+')));
EXPECT_FALSE(IsAssociativeOperator(verilog_tokentype('-')));
EXPECT_FALSE(IsAssociativeOperator(verilog_tokentype('~')));
EXPECT_TRUE(IsAssociativeOperator(verilog_tokentype('&')));
EXPECT_FALSE(IsAssociativeOperator(verilog_tokentype('!')));
EXPECT_TRUE(IsAssociativeOperator(verilog_tokentype('|')));
EXPECT_TRUE(IsAssociativeOperator(verilog_tokentype('^')));
EXPECT_TRUE(IsAssociativeOperator(verilog_tokentype::TK_LAND));
EXPECT_TRUE(IsAssociativeOperator(verilog_tokentype::TK_LOR));
EXPECT_FALSE(IsAssociativeOperator(verilog_tokentype::TK_NAND));
EXPECT_FALSE(IsAssociativeOperator(verilog_tokentype::TK_NOR));
EXPECT_TRUE(IsAssociativeOperator(verilog_tokentype::TK_NXOR));
EXPECT_FALSE(IsAssociativeOperator(verilog_tokentype::TK_INCR));
EXPECT_FALSE(IsAssociativeOperator(verilog_tokentype::TK_DECR));
EXPECT_FALSE(IsAssociativeOperator(verilog_tokentype(':')));
EXPECT_FALSE(IsAssociativeOperator(verilog_tokentype('?')));
EXPECT_FALSE(IsAssociativeOperator(verilog_tokentype(',')));
EXPECT_FALSE(IsAssociativeOperator(verilog_tokentype('.')));
EXPECT_FALSE(IsAssociativeOperator(verilog_tokentype(';')));
EXPECT_FALSE(IsAssociativeOperator(verilog_tokentype('#')));
}
TEST(VerilogTokenTest, IsTernaryOperatorTest) {
EXPECT_FALSE(IsTernaryOperator(verilog_tokentype('*')));
EXPECT_FALSE(IsTernaryOperator(verilog_tokentype('/')));
EXPECT_FALSE(IsTernaryOperator(verilog_tokentype('+')));
EXPECT_FALSE(IsTernaryOperator(verilog_tokentype('-')));
EXPECT_TRUE(IsTernaryOperator(verilog_tokentype('?')));
EXPECT_TRUE(IsTernaryOperator(verilog_tokentype(':')));
}
TEST(VerilogTokenTest, IsUnlexedTest) {
EXPECT_TRUE(IsUnlexed(verilog_tokentype::PP_define_body));
EXPECT_TRUE(IsUnlexed(verilog_tokentype::MacroArg));
EXPECT_FALSE(IsUnlexed(verilog_tokentype::TK_COMMENT_BLOCK));
EXPECT_FALSE(IsUnlexed(verilog_tokentype::SymbolIdentifier));
}
TEST(VerilogTokenTest, IsIdentifierLikeTest) {
EXPECT_TRUE(IsIdentifierLike(verilog_tokentype::SymbolIdentifier));
EXPECT_TRUE(IsIdentifierLike(verilog_tokentype::PP_Identifier));
EXPECT_TRUE(IsIdentifierLike(verilog_tokentype::MacroIdentifier));
EXPECT_TRUE(IsIdentifierLike(verilog_tokentype::MacroIdItem));
EXPECT_TRUE(IsIdentifierLike(verilog_tokentype::MacroCallId));
EXPECT_TRUE(IsIdentifierLike(verilog_tokentype::SystemTFIdentifier));
EXPECT_TRUE(IsIdentifierLike(verilog_tokentype::EscapedIdentifier));
EXPECT_TRUE(IsIdentifierLike(verilog_tokentype::TK_Swidth));
EXPECT_TRUE(IsIdentifierLike(verilog_tokentype::TK_Srecrem));
EXPECT_TRUE(IsIdentifierLike(verilog_tokentype::TK_Ssetuphold));
EXPECT_TRUE(IsIdentifierLike(verilog_tokentype::TK_Speriod));
EXPECT_TRUE(IsIdentifierLike(verilog_tokentype::TK_Shold));
EXPECT_TRUE(IsIdentifierLike(verilog_tokentype::TK_Srecovery));
EXPECT_TRUE(IsIdentifierLike(verilog_tokentype::TK_Sremoval));
EXPECT_TRUE(IsIdentifierLike(verilog_tokentype::TK_Ssetup));
EXPECT_TRUE(IsIdentifierLike(verilog_tokentype::TK_Sskew));
EXPECT_TRUE(IsIdentifierLike(verilog_tokentype::TK_Stimeskew));
EXPECT_TRUE(IsIdentifierLike(verilog_tokentype::TK_Swidth));
EXPECT_FALSE(IsIdentifierLike(verilog_tokentype::TK_StringLiteral));
EXPECT_FALSE(IsIdentifierLike(verilog_tokentype::TK_DecNumber));
EXPECT_FALSE(IsIdentifierLike(verilog_tokentype::TK_DecBase));
EXPECT_FALSE(IsIdentifierLike(verilog_tokentype::TK_DecDigits));
EXPECT_FALSE(IsIdentifierLike(verilog_tokentype::TK_always));
EXPECT_FALSE(IsIdentifierLike(verilog_tokentype::TK_wire));
EXPECT_FALSE(IsIdentifierLike(verilog_tokentype::TK_EOL_COMMENT));
EXPECT_FALSE(IsIdentifierLike(verilog_tokentype::TK_COMMENT_BLOCK));
EXPECT_FALSE(IsIdentifierLike(verilog_tokentype::TKK_attribute));
EXPECT_FALSE(IsIdentifierLike(verilog_tokentype::TK_ATTRIBUTE));
EXPECT_FALSE(IsIdentifierLike(verilog_tokentype('+')));
}
} // namespace
} // namespace verilog