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Enhance test_lexer.py with Tests for New Bitwise Operators and Data Types #66

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Enhance test_lexer.py with Tests for New Bitwise Operators and Data Types #66

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8af0007
Addressed review comments: updated lexer for bitwise operators
Raghav-2903 Aug 21, 2024
820ba1b
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Aug 21, 2024
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126 changes: 126 additions & 0 deletions tests/test_translator/test_lexer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -99,3 +99,129 @@ def test_function_call_tokenization():
tokenize_code(code)
except SyntaxError:
pytest.fail("Function call tokenization not implemented.")


# New tests for the additional tokens


def test_bitwise_operators_tokenization():
code = """
int a = 5 & 3;
int b = 5 | 3;
int c = 5 ^ 3;
int d = ~5;
int e = 5 << 1;
int f = 5 >> 1;
"""
tokens = tokenize_code(code)
expected_tokens = [
("INT", "int"),
("IDENTIFIER", "a"),
("EQUALS", "="),
("NUMBER", "5"),
("BITWISE_AND", "&"),
("NUMBER", "3"),
("SEMICOLON", ";"),
("INT", "int"),
("IDENTIFIER", "b"),
("EQUALS", "="),
("NUMBER", "5"),
("BITWISE_OR", "|"),
("NUMBER", "3"),
("SEMICOLON", ";"),
("INT", "int"),
("IDENTIFIER", "c"),
("EQUALS", "="),
("NUMBER", "5"),
("BITWISE_XOR", "^"),
("NUMBER", "3"),
("SEMICOLON", ";"),
("INT", "int"),
("IDENTIFIER", "d"),
("EQUALS", "="),
("BITWISE_NOT", "~"),
("NUMBER", "5"),
("SEMICOLON", ";"),
("INT", "int"),
("IDENTIFIER", "e"),
("EQUALS", "="),
("NUMBER", "5"),
("BITWISE_SHIFT_LEFT", "<<"),
("NUMBER", "1"),
("SEMICOLON", ";"),
("INT", "int"),
("IDENTIFIER", "f"),
("EQUALS", "="),
("NUMBER", "5"),
("BITWISE_SHIFT_RIGHT", ">>"),
("NUMBER", "1"),
("SEMICOLON", ";"),
]
assert tokens == expected_tokens


def test_assignment_operators_tokenization():
code = """
int a = 5;
a &= 3;
a |= 3;
a ^= 3;
a %= 3;
a <<= 1;
a >>= 1;
"""
tokens = tokenize_code(code)
expected_tokens = [
("INT", "int"),
("IDENTIFIER", "a"),
("EQUALS", "="),
("NUMBER", "5"),
("SEMICOLON", ";"),
("IDENTIFIER", "a"),
("ASSIGN_AND", "&="),
("NUMBER", "3"),
("SEMICOLON", ";"),
("IDENTIFIER", "a"),
("ASSIGN_OR", "|="),
("NUMBER", "3"),
("SEMICOLON", ";"),
("IDENTIFIER", "a"),
("ASSIGN_XOR", "^="),
("NUMBER", "3"),
("SEMICOLON", ";"),
("IDENTIFIER", "a"),
("ASSIGN_MOD", "%="),
("NUMBER", "3"),
("SEMICOLON", ";"),
("IDENTIFIER", "a"),
("ASSIGN_SHIFT_LEFT", "<<="),
("NUMBER", "1"),
("SEMICOLON", ";"),
("IDENTIFIER", "a"),
("ASSIGN_SHIFT_RIGHT", ">>="),
("NUMBER", "1"),
("SEMICOLON", ";"),
]
assert tokens == expected_tokens


def test_data_types_and_const_tokenization():
code = """
const double pi = 3.14159;
unsigned int maxVal = 255;
"""
tokens = tokenize_code(code)
expected_tokens = [
("CONST", "const"),
("DOUBLE", "double"),
("IDENTIFIER", "pi"),
("EQUALS", "="),
("FLOAT_NUMBER", "3.14159"),
("SEMICOLON", ";"),
("UNSIGNED_INT", "unsigned int"),
("IDENTIFIER", "maxVal"),
("EQUALS", "="),
("NUMBER", "255"),
("SEMICOLON", ";"),
]
assert tokens == expected_tokens
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