MiniJavaCompiler/Test/TestLexer.hs

49 lines
2.5 KiB
Haskell

module TestLexer(tests) where
import Test.HUnit
import Parser.Lexer
emptyTokenList :: [Token]
emptyTokenList = []
testCommentSomething = TestCase $ assertEqual "scan '/*Something*/'" emptyTokenList $ alexScanTokens "/*Something*/"
testEmptyComment = TestCase $ assertEqual "scan '/*x*/'" emptyTokenList $ alexScanTokens "/**/"
testLineComment = TestCase $ assertEqual "scan '// comment'" emptyTokenList $ alexScanTokens "// comment"
testLineCommentEnds = TestCase $ assertEqual "scan '// com\\n'" emptyTokenList $ alexScanTokens "// com\n"
testIdentifier = TestCase $ assertEqual "scan 'identifier'" [IDENTIFIER "identifier"] $ alexScanTokens "identifier"
testShortIdentifier = TestCase $ assertEqual "scan 'i'" [IDENTIFIER "i"] $ alexScanTokens "i"
testIdentifierWithNumber = TestCase $ assertEqual "scan 'i2'" [IDENTIFIER "i2"] $ alexScanTokens "i2"
testKeywordBreak = TestCase $ assertEqual "scan 'break'" [BREAK] $ alexScanTokens "break"
testKeywordInt = TestCase $ assertEqual "scan 'int'" [INT] $ alexScanTokens "int"
testIntLiteral = TestCase $ assertEqual "scan '234'" [INTEGERLITERAL 234] $ alexScanTokens "234"
testIntLiteral2 = TestCase $ assertEqual "scan '54_2'" [INTEGERLITERAL 542] $ alexScanTokens "54_2"
testCharLiteral = TestCase $ assertEqual "scan ''f''" [CHARLITERAL 'f'] $ alexScanTokens "'f'"
testBoolLiteralTrue = TestCase $ assertEqual "scan 'true'" [BOOLLITERAL True] $ alexScanTokens "true"
testBoolLiteralFalse = TestCase $ assertEqual "scan 'false'" [BOOLLITERAL False] $ alexScanTokens "false"
testLBrace = TestCase $ assertEqual "scan '('" [LBRACE] $ alexScanTokens "("
testAnd = TestCase $ assertEqual "scan '&&'" [AND] $ alexScanTokens "&&"
tests = TestList [
TestLabel "TestCommentSomething" testCommentSomething,
TestLabel "TestEmptyComment" testEmptyComment,
TestLabel "TestLineComment" testLineComment,
TestLabel "TestLineCommentEnds" testLineCommentEnds,
TestLabel "TestIdentifier" testIdentifier,
TestLabel "TestShortIdentifier" testShortIdentifier,
TestLabel "TestIdentifierWithNumber" testIdentifierWithNumber,
TestLabel "TestKeywordBreak" testKeywordBreak,
TestLabel "TestKeywordInt" testKeywordInt,
TestLabel "TestIntLiteral" testIntLiteral,
TestLabel "TestIntLiteral2" testIntLiteral2,
TestLabel "TestCharLiteral" testCharLiteral,
TestLabel "TestBoolLiteralTrue" testBoolLiteralTrue,
TestLabel "TestBoolLiteralFalse" testBoolLiteralFalse,
TestLabel "TestLBrace" testLBrace,
TestLabel "TestAnd" testAnd
]