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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)
{
IPLVector<Token> tokens;
auto result = Tokenize("0x10", tokens);
ASSERT_TRUE(result.IsSuccessful);
ASSERT_EQ(tokens.size(), 2u);
ASSERT_EQ(tokens[0].Type, TokenType::Number);
ASSERT_EQ(tokens[0].Number, 16);
}
TEST(Lexer, ScientificNotationNumber)
{
IPLVector<Token> tokens;
auto result = Tokenize("1e2", tokens);
ASSERT_TRUE(result.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 &&
tokens[1].Type == TokenType::Identifier &&
tokens[2].Type == TokenType::Equal &&
tokens[3].Type == TokenType::Number &&
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
&& tokens[1].Type == TokenType::Identifier
&& tokens[2].Type == TokenType::Equal
&& tokens[3].Type == TokenType::Number
&& tokens[4].Type == TokenType::Eof);
}
TEST(Lexer, StringError)
{
IPLVector<Token> tokens;
const auto& res = Tokenize("\" aaaa", tokens);
ASSERT_TRUE(!res.IsSuccessful && res.Error.Row == 0 && res.Error.Column == 6);
}
TEST(Lexer, TestWhiteSpaceTokens)
{
IPLVector<Token> tokens;
const auto& res = Tokenize(" 1\n2 abc\n \n", tokens, { true, false });
ASSERT_TRUE(res.IsSuccessful
&& tokens.size() == 8
&& tokens[0].Type == TokenType::Whitespace
&& tokens[0].Lexeme == " "
&& tokens[1].Type == TokenType::Number
&& tokens[1].Number == 1
&& tokens[2].Type == TokenType::Whitespace
&& tokens[2].Lexeme == "\n"
&& tokens[3].Type == TokenType::Number
&& tokens[3].Number == 2
&& tokens[4].Type == TokenType::Whitespace
&& tokens[4].Lexeme == " "
&& tokens[5].Type == TokenType::Identifier
&& tokens[5].Lexeme == "abc"
&& tokens[6].Type == TokenType::Whitespace
&& tokens[6].Lexeme == "\n \n"
&& tokens[7].Type == TokenType::Eof);
}
TEST(Lexer, SimpleComment)
{
IPLVector<Token> tokens;
const auto& res = Tokenize("//comment", tokens, { false, true });
ASSERT_TRUE(res.IsSuccessful
&& tokens.size() == 2
&& tokens[0].Type == TokenType::Comment
&& tokens[0].Lexeme == "//comment"
&& tokens[1].Type == TokenType::Eof);
}
TEST(Lexer, SimpleMultiLineComment)
{
IPLVector<Token> tokens;
const auto& res = Tokenize("/*comment\ncomment*/", tokens, { false, true });
ASSERT_TRUE(res.IsSuccessful
&& tokens.size() == 2
&& tokens[0].Type == TokenType::Comment
&& tokens[0].Lexeme == "/*comment\ncomment*/"
&& tokens[1].Type == TokenType::Eof);
}
TEST(Lexer, ConsecutiveMultiLineComment)
{
IPLVector<Token> tokens;
const auto& res = Tokenize("/*comment1\ncomment1*//*comment2\ncomment2*/", tokens, { false, true });
ASSERT_TRUE(res.IsSuccessful
&& tokens.size() == 3
&& tokens[0].Type == TokenType::Comment
&& tokens[0].Lexeme == "/*comment1\ncomment1*/"
&& tokens[1].Type == TokenType::Comment
&& tokens[1].Lexeme == "/*comment2\ncomment2*/"
&& tokens[2].Type == TokenType::Eof);
}
TEST(Lexer, ConsecutiveMultiLineCommentWithSpace)
{
IPLVector<Token> tokens;
const auto& res = Tokenize("/*comment1\ncomment1*/\n\n\n/*comment2\ncomment2*/", tokens, { false, true });
ASSERT_TRUE(res.IsSuccessful
&& tokens.size() == 3
&& tokens[0].Type == TokenType::Comment
&& tokens[0].Lexeme == "/*comment1\ncomment1*/"
&& tokens[1].Type == TokenType::Comment
&& tokens[1].Lexeme == "/*comment2\ncomment2*/"
&& tokens[2].Type == TokenType::Eof);
}
TEST(Lexer, ConsecutiveMultiLineCommentWithSpaceWithTokens)
{
IPLVector<Token> tokens;
const auto& res = Tokenize("//comment1\n/*comment2\ncomment2*/\n\n\n/*comment3\ncomment3*/", tokens, { true, true });
ASSERT_TRUE(res.IsSuccessful
&& tokens.size() == 6
&& tokens[0].Type == TokenType::Comment
&& tokens[0].Lexeme == "//comment1"
&& tokens[1].Type == TokenType::Whitespace
&& tokens[1].Lexeme == "\n"
&& tokens[2].Type == TokenType::Comment
&& tokens[2].Lexeme == "/*comment2\ncomment2*/"
&& tokens[3].Type == TokenType::Whitespace
&& tokens[3].Lexeme == "\n\n\n"
&& tokens[4].Type == TokenType::Comment
&& tokens[4].Lexeme == "/*comment3\ncomment3*/"
&& tokens[5].Type == TokenType::Eof);
}
TEST(Lexer, CommentError)
{
IPLVector<Token> tokens;
const auto& res = Tokenize(" aa\n /*", tokens);
ASSERT_TRUE(!res.IsSuccessful && res.Error.Row == 1 &&
res.Error.Column == 3);
}
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