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//
// 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 <algorithm>
#include <climits>
#include "PreprocessorTest.h"
#include "Token.h"
class CharTest : public PreprocessorTest,
public testing::WithParamInterface<int>
{
};
static const char kPunctuators[] = {
'.', '+', '-', '/', '*', '%', '<', '>', '[', ']', '(', ')', '{', '}',
'^', '|', '&', '~', '=', '!', ':', ';', ',', '?'};
static const int kNumPunctuators =
sizeof(kPunctuators) / sizeof(kPunctuators[0]);
bool isPunctuator(char c)
{
static const char* kPunctuatorBeg = kPunctuators;
static const char* kPunctuatorEnd = kPunctuators + kNumPunctuators;
return std::find(kPunctuatorBeg, kPunctuatorEnd, c) != kPunctuatorEnd;
}
static const char kWhitespaces[] = {' ', '\t', '\v', '\f', '\n', '\r'};
static const int kNumWhitespaces =
sizeof(kWhitespaces) / sizeof(kWhitespaces[0]);
bool isWhitespace(char c)
{
static const char* kWhitespaceBeg = kWhitespaces;
static const char* kWhitespaceEnd = kWhitespaces + kNumWhitespaces;
return std::find(kWhitespaceBeg, kWhitespaceEnd, c) != kWhitespaceEnd;
}
TEST_P(CharTest, Identified)
{
std::string str(1, GetParam());
const char* cstr = str.c_str();
int length = 1;
// Note that we pass the length param as well because the invalid
// string may contain the null character.
ASSERT_TRUE(mPreprocessor.init(1, &cstr, &length));
int expectedType = pp::Token::LAST;
std::string expectedValue;
if (str[0] == '#')
{
// Lone '#' is ignored.
}
else if ((str[0] == '_') ||
((str[0] >= 'a') && (str[0] <= 'z')) ||
((str[0] >= 'A') && (str[0] <= 'Z')))
{
expectedType = pp::Token::IDENTIFIER;
expectedValue = str;
}
else if (str[0] >= '0' && str[0] <= '9')
{
expectedType = pp::Token::CONST_INT;
expectedValue = str;
}
else if (isPunctuator(str[0]))
{
expectedType = str[0];
expectedValue = str;
}
else if (isWhitespace(str[0]))
{
// Whitespace is ignored.
}
else
{
// Everything else is invalid.
using testing::_;
EXPECT_CALL(mDiagnostics,
print(pp::Diagnostics::INVALID_CHARACTER, _, str));
}
pp::Token token;
mPreprocessor.lex(&token);
EXPECT_EQ(expectedType, token.type);
EXPECT_EQ(expectedValue, token.text);
};
// Note +1 for the max-value in range. It is there because the max-value
// not included in the range.
INSTANTIATE_TEST_CASE_P(All, CharTest,
testing::Range(CHAR_MIN, CHAR_MAX + 1));
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