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#include <src/Lexer.h>
#include <src/CommonTypes.h>
#include <gtest/gtest.h>
TEST(Lexer, Less)
{
IPLVector<Token> tokens = Tokenize("<").tokens;
ASSERT_EQ(tokens.size(), 2u);
ASSERT_EQ(tokens[0].Type, TokenType::Less);
}
TEST(Lexer, Number)
{
IPLVector<Token> tokens = Tokenize("213434.24").tokens;
ASSERT_EQ(tokens.size(), 2u);
ASSERT_EQ(tokens[0].Type, TokenType::Number);
ASSERT_EQ(tokens[0].Number, 213434.24);
}
TEST(Lexer, HexNumber)
{
const auto res = Tokenize("0x10");
const auto& tokens = res.tokens;
ASSERT_TRUE(res.IsSuccessful);
ASSERT_EQ(tokens.size(), 2u);
ASSERT_EQ(tokens[0].Type, TokenType::Number);
ASSERT_EQ(tokens[0].Number, 16);
}
TEST(Lexer, ScientificNotationNumber)
{
const auto res = Tokenize("1e2");
const auto& tokens = res.tokens;
ASSERT_TRUE(res.IsSuccessful);
ASSERT_EQ(tokens.size(), 2u);
ASSERT_EQ(tokens[0].Type, TokenType::Number);
ASSERT_EQ(tokens[0].Number, 100);
}
TEST(Lexer, NumberStartWithNine)
{
IPLVector<Token> tokens = Tokenize("999").tokens;
ASSERT_EQ(tokens.size(), 2u);
ASSERT_EQ(tokens[0].Type, TokenType::Number);
ASSERT_EQ(tokens[0].Number, 999);
}
TEST(Lexer, NumberStartWithZero)
{
IPLVector<Token> tokens = Tokenize("0999").tokens;
ASSERT_EQ(tokens.size(), 2u);
ASSERT_EQ(tokens[0].Type, TokenType::Number);
ASSERT_EQ(tokens[0].Number, 999);
}
TEST(Lexer, SpaceNewLineSpace)
{
IPLVector<Token> tokens = Tokenize(" \n var a = 4; ").tokens;
ASSERT_TRUE(tokens.size() == 6 && tokens[0].Type == TokenType::Var);
ASSERT_TRUE(tokens[1].Type == TokenType::Identifier);
ASSERT_TRUE(tokens[2].Type == TokenType::Equal);
ASSERT_TRUE(tokens[3].Type == TokenType::Number);
ASSERT_TRUE(tokens[4].Type == TokenType::Semicolon);
}
TEST(Lexer, String)
{
IPLVector<Token> tokens = Tokenize("\"alabala\"").tokens;
ASSERT_TRUE(tokens.size() == 2 && tokens[0].Type == TokenType::String
&& tokens[0].Lexeme == "\"alabala\"");
}
TEST(Lexer, StringSingleQuotedStrings)
{
IPLVector<Token> tokens = Tokenize("'alabala'").tokens;
ASSERT_TRUE(tokens.size() == 2 && tokens[0].Type == TokenType::String && tokens[0].Lexeme == "'alabala'");
}
TEST(Lexer, KeyWord)
{
IPLVector<Token> tokens = Tokenize("for").tokens;
ASSERT_TRUE(tokens.size() == 2 && tokens[0].Type == TokenType::For);
}
TEST(Lexer, VariableDeclaration)
{
IPLVector<Token> tokens = Tokenize("var pesho = 10").tokens;
ASSERT_TRUE(tokens.size() == 5 && tokens[0].Type == TokenType::Var);
ASSERT_TRUE(tokens[1].Type == TokenType::Identifier);
ASSERT_TRUE(tokens[2].Type == TokenType::Equal);
ASSERT_TRUE(tokens[3].Type == TokenType::Number);
ASSERT_TRUE(tokens[4].Type == TokenType::Eof);
}
TEST(Lexer, StringError)
{
const auto res = Tokenize("\" aaaa");
ASSERT_TRUE(!res.IsSuccessful && res.Error.Row == 0 && res.Error.Column == 6);
}
TEST(Lexer, TestWhiteSpaceTokens)
{
const auto res = Tokenize(" 1\n2 abc\n \n", { true, false });
const auto& tokens = res.tokens;
ASSERT_TRUE(res.IsSuccessful);
ASSERT_TRUE(tokens.size() == 11);
ASSERT_TRUE(tokens[0].Type == TokenType::Whitespace);
ASSERT_TRUE(tokens[0].Lexeme == "");
ASSERT_TRUE(tokens[1].Type == TokenType::Number);
ASSERT_TRUE(tokens[1].Number == 1);
ASSERT_TRUE(tokens[2].Type == TokenType::NewLine);
ASSERT_TRUE(tokens[2].Lexeme == "");
ASSERT_TRUE(tokens[3].Type == TokenType::Number);
ASSERT_TRUE(tokens[3].Number == 2);
ASSERT_TRUE(tokens[4].Type == TokenType::Whitespace);
ASSERT_TRUE(tokens[4].Lexeme == "");
ASSERT_TRUE(tokens[5].Type == TokenType::Whitespace);
ASSERT_TRUE(tokens[5].Lexeme == "");
ASSERT_TRUE(tokens[6].Type == TokenType::Identifier);
ASSERT_TRUE(tokens[6].Lexeme == "abc");
ASSERT_TRUE(tokens[7].Type == TokenType::NewLine);
ASSERT_TRUE(tokens[7].Lexeme == "");
ASSERT_TRUE(tokens[8].Type == TokenType::Whitespace);
ASSERT_TRUE(tokens[8].Lexeme == "");
ASSERT_TRUE(tokens[9].Type == TokenType::NewLine);
ASSERT_TRUE(tokens[9].Lexeme == "");
ASSERT_TRUE(tokens[10].Type == TokenType::Eof);
}
TEST(Lexer, SimpleComment)
{
const auto res = Tokenize("//comment", { false, true });
const auto& tokens = res.tokens;
ASSERT_TRUE(res.IsSuccessful);
ASSERT_TRUE(tokens.size() == 2);
ASSERT_TRUE(tokens[0].Type == TokenType::Comment);
ASSERT_TRUE(tokens[0].Lexeme == "//comment");
ASSERT_TRUE(tokens[1].Type == TokenType::Eof);
}
TEST(Lexer, SimpleMultiLineComment)
{
const auto res = Tokenize("/*comment\ncomment*/", { false, true });
const auto& tokens = res.tokens;
ASSERT_TRUE(res.IsSuccessful);
ASSERT_TRUE(tokens.size() == 2);
ASSERT_TRUE(tokens[0].Type == TokenType::Comment);
ASSERT_TRUE(tokens[0].Lexeme == "/*comment\ncomment*/");
ASSERT_TRUE(tokens[1].Type == TokenType::Eof);
}
TEST(Lexer, ConsecutiveMultiLineComment)
{
const auto res = Tokenize("/*comment1\ncomment1*//*comment2\ncomment2*/", { false, true });
const auto& tokens = res.tokens;
ASSERT_TRUE(res.IsSuccessful);
ASSERT_TRUE(tokens.size() == 3);
ASSERT_TRUE(tokens[0].Type == TokenType::Comment);
ASSERT_TRUE(tokens[0].Lexeme == "/*comment1\ncomment1*/");
ASSERT_TRUE(tokens[1].Type == TokenType::Comment);
ASSERT_TRUE(tokens[1].Lexeme == "/*comment2\ncomment2*/");
ASSERT_TRUE(tokens[2].Type == TokenType::Eof);
}
TEST(Lexer, ConsecutiveMultiLineCommentWithSpace)
{
const auto res = Tokenize("/*comment1\ncomment1*/\n\n\n/*comment2\ncomment2*/", { false, true });
const auto& tokens = res.tokens;
ASSERT_TRUE(res.IsSuccessful);
ASSERT_TRUE(tokens.size() == 3);
ASSERT_TRUE(tokens[0].Type == TokenType::Comment);
ASSERT_TRUE(tokens[0].Lexeme == "/*comment1\ncomment1*/");
ASSERT_TRUE(tokens[1].Type == TokenType::Comment);
ASSERT_TRUE(tokens[1].Lexeme == "/*comment2\ncomment2*/");
ASSERT_TRUE(tokens[2].Type == TokenType::Eof);
}
TEST(Lexer, ConsecutiveMultiLineCommentWithSpaceWithTokens)
{
const auto res = Tokenize("//comment1\n/*comment2\ncomment2*/\n\n\n/*comment3\ncomment3*/", { true, true });
const auto& tokens = res.tokens;
ASSERT_TRUE(res.IsSuccessful);
ASSERT_TRUE(tokens.size() == 8);
ASSERT_TRUE(tokens[0].Type == TokenType::Comment);
ASSERT_TRUE(tokens[0].Lexeme == "//comment1");
ASSERT_TRUE(tokens[1].Type == TokenType::NewLine);
ASSERT_TRUE(tokens[1].Lexeme == "");
ASSERT_TRUE(tokens[2].Type == TokenType::Comment);
ASSERT_TRUE(tokens[2].Lexeme == "/*comment2\ncomment2*/");
ASSERT_TRUE(tokens[3].Type == TokenType::NewLine);
ASSERT_TRUE(tokens[3].Lexeme == "");
ASSERT_TRUE(tokens[4].Type == TokenType::NewLine);
ASSERT_TRUE(tokens[4].Lexeme == "");
ASSERT_TRUE(tokens[5].Type == TokenType::NewLine);
ASSERT_TRUE(tokens[5].Lexeme == "");
ASSERT_TRUE(tokens[6].Type == TokenType::Comment);
ASSERT_TRUE(tokens[6].Lexeme == "/*comment3\ncomment3*/");
ASSERT_TRUE(tokens[7].Type == TokenType::Eof);
}
TEST(Lexer, CommentError)
{
auto res = Tokenize(" aa\n /*");
ASSERT_TRUE(!res.IsSuccessful && res.Error.Row == 1 &&
res.Error.Column == 3);
}
TEST(Lexer, UnexpectedToken)
{
auto res = Tokenize("a#4");
ASSERT_TRUE(!res.IsSuccessful &&
res.Error.Column == 1);
}
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