Moved lexer and parser tests to the test app

1 files changed, 213 insertions, 0 deletions

diff --git a/JSImpl/test/LexerTests.cpp b/JSImpl/test/LexerTests.cpp
new file mode 100644
index 0000000..b24d7a2
--- /dev/null
+++ b/JSImpl/test/LexerTests.cpp
@@ -0,0 +1,213 @@
+#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;
+	const auto& res = Tokenize("0x10", tokens);
+
+	ASSERT_EQ(tokens.size(), 2u);
+        ASSERT_EQ(tokens[0].Type, TokenType::Number);
+        ASSERT_EQ(tokens[0].Number, 16);
+}
+
+TEST(Lexer, ScientificNotationNumber)
+{
+	IPLVector<Token> tokens;
+	const auto& res = Tokenize("1e2", tokens);
+
+	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);
+}
+