265 lines
7.5 KiB
Go
265 lines
7.5 KiB
Go
package lexer
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import "testing"
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import "git.tebibyte.media/sashakoshka/arf/file"
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import "git.tebibyte.media/sashakoshka/arf/types"
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import "git.tebibyte.media/sashakoshka/arf/infoerr"
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func quickToken (width int, kind TokenKind, value any) (token Token) {
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token.location.SetWidth(width)
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token.kind = kind
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token.value = value
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return
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}
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func checkTokenSlice (filePath string, test *testing.T, correct ...Token) {
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test.Log("checking lexer results for", filePath)
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file, err := file.Open(filePath)
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if err != nil {
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test.Log(err)
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test.Fail()
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return
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}
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tokens, err := Tokenize(file)
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// print all tokens
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for index, token := range tokens {
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test.Log(index, "\tgot token:", token.Describe())
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}
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if err != nil {
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test.Log("returned error:")
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test.Log(err.Error())
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test.Fail()
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return
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}
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if len(tokens) != len(correct) {
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test.Log("lexed", len(tokens), "tokens, want", len(correct))
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test.Fail()
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return
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}
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test.Log("token slice length match", len(tokens), "=", len(correct))
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for index, token := range tokens {
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if token.location.Width() != correct[index].location.Width() {
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test.Log("token", index, "has bad width")
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test.Log (
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"have", token.location.Width(),
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"want", correct[index].location.Width())
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test.Fail()
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return
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}
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if !token.Equals(correct[index]) {
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test.Log("token", index, "not equal")
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test.Log (
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"have", token.Describe(),
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"want", correct[index].Describe())
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test.Fail()
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return
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}
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}
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test.Log("token slice content match")
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}
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func compareErr (
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filePath string,
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correctKind infoerr.ErrorKind,
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correctMessage string,
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correctRow int,
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correctColumn int,
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correctWidth int,
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test *testing.T,
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) {
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test.Log("testing errors in", filePath)
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file, err := file.Open(filePath)
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if err != nil {
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test.Log(err)
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test.Fail()
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return
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}
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_, err = Tokenize(file)
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check := err.(infoerr.Error)
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test.Log("error that was recieved:")
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test.Log(check)
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if check.Kind() != correctKind {
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test.Log("mismatched error kind")
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test.Log("- want:", correctKind)
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test.Log("- have:", check.Kind())
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test.Fail()
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}
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if check.Message() != correctMessage {
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test.Log("mismatched error message")
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test.Log("- want:", correctMessage)
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test.Log("- have:", check.Message())
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test.Fail()
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}
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if check.Row() != correctRow {
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test.Log("mismatched error row")
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test.Log("- want:", correctRow)
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test.Log("- have:", check.Row())
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test.Fail()
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}
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if check.Column() != correctColumn {
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test.Log("mismatched error column")
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test.Log("- want:", correctColumn)
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test.Log("- have:", check.Column())
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test.Fail()
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}
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if check.Width() != correctWidth {
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test.Log("mismatched error width")
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test.Log("- want:", check.Width())
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test.Log("- have:", correctWidth)
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test.Fail()
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}
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}
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func TestTokenizeAll (test *testing.T) {
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checkTokenSlice("../tests/lexer/all.arf", test,
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quickToken(3, TokenKindSeparator, nil),
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quickToken(2, TokenKindPermission, types.PermissionReadWrite),
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quickToken(2, TokenKindReturnDirection, nil),
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quickToken(10, TokenKindInt, int64(-349820394)),
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quickToken(9, TokenKindUInt, uint64(932748397)),
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quickToken(12, TokenKindFloat, 239485.37520),
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quickToken(16, TokenKindString, "hello world!\n"),
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quickToken(3, TokenKindRune, 'E'),
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quickToken(10, TokenKindName, "helloWorld"),
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quickToken(1, TokenKindColon, nil),
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quickToken(1, TokenKindDot, nil),
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quickToken(1, TokenKindComma, nil),
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quickToken(2, TokenKindElipsis, nil),
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quickToken(1, TokenKindLBracket, nil),
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quickToken(1, TokenKindRBracket, nil),
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quickToken(1, TokenKindLBrace, nil),
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quickToken(1, TokenKindRBrace, nil),
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quickToken(1, TokenKindNewline, nil),
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quickToken(1, TokenKindPlus, nil),
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quickToken(1, TokenKindMinus, nil),
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quickToken(2, TokenKindIncrement, nil),
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quickToken(2, TokenKindDecrement, nil),
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quickToken(1, TokenKindAsterisk, nil),
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quickToken(1, TokenKindSlash, nil),
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quickToken(1, TokenKindAt, nil),
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quickToken(1, TokenKindExclamation, nil),
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quickToken(1, TokenKindPercent, nil),
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quickToken(1, TokenKindTilde, nil),
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quickToken(1, TokenKindEqualTo, nil),
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quickToken(1, TokenKindNotEqualTo, nil),
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quickToken(1, TokenKindLessThan, nil),
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quickToken(1, TokenKindLessThanEqualTo, nil),
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quickToken(2, TokenKindLShift, nil),
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quickToken(1, TokenKindGreaterThan, nil),
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quickToken(1, TokenKindGreaterThanEqualTo, nil),
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quickToken(2, TokenKindRShift, nil),
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quickToken(1, TokenKindBinaryOr, nil),
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quickToken(2, TokenKindLogicalOr, nil),
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quickToken(1, TokenKindBinaryAnd, nil),
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quickToken(2, TokenKindLogicalAnd, nil),
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quickToken(1, TokenKindNewline, nil),
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)
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}
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func TestTokenizeNumbers (test *testing.T) {
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checkTokenSlice("../tests/lexer/numbers.arf", test,
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quickToken(1, TokenKindUInt, uint64(0)),
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quickToken(1, TokenKindNewline, nil),
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quickToken(1, TokenKindUInt, uint64(8)),
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quickToken(1, TokenKindNewline, nil),
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quickToken(8, TokenKindUInt, uint64(83628266)),
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quickToken(1, TokenKindNewline, nil),
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quickToken(29, TokenKindUInt, uint64(83628266)),
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quickToken(1, TokenKindNewline, nil),
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quickToken(9, TokenKindUInt, uint64(83628266)),
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quickToken(1, TokenKindNewline, nil),
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quickToken(10, TokenKindUInt, uint64(83628266)),
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quickToken(1, TokenKindNewline, nil),
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quickToken(9, TokenKindInt, int64(-83628266)),
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quickToken(1, TokenKindNewline, nil),
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quickToken(30, TokenKindInt, int64(-83628266)),
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quickToken(1, TokenKindNewline, nil),
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quickToken(10, TokenKindInt, int64(-83628266)),
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quickToken(1, TokenKindNewline, nil),
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quickToken(11, TokenKindInt, int64(-83628266)),
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quickToken(1, TokenKindNewline, nil),
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quickToken(8, TokenKindFloat, float64(0.123478)),
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quickToken(1, TokenKindNewline, nil),
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quickToken(8, TokenKindFloat, float64(234.3095)),
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quickToken(1, TokenKindNewline, nil),
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quickToken(6, TokenKindFloat, float64(-2.312)),
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quickToken(1, TokenKindNewline, nil),
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)
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}
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func TestTokenizeText (test *testing.T) {
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checkTokenSlice("../tests/lexer/text.arf", test,
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quickToken(34, TokenKindString, "hello world!\a\b\f\n\r\t\v'\"\\"),
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quickToken(1, TokenKindNewline, nil),
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quickToken(4, TokenKindRune, '\a'),
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quickToken(4, TokenKindRune, '\b'),
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quickToken(4, TokenKindRune, '\f'),
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quickToken(4, TokenKindRune, '\n'),
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quickToken(4, TokenKindRune, '\r'),
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quickToken(4, TokenKindRune, '\t'),
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quickToken(4, TokenKindRune, '\v'),
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quickToken(4, TokenKindRune, '\''),
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quickToken(4, TokenKindRune, '"' ),
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quickToken(4, TokenKindRune, '\\'),
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quickToken(1, TokenKindNewline, nil),
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quickToken(35, TokenKindString, "hello world \x40\u0040\U00000040!"),
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quickToken(1, TokenKindNewline, nil),
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)
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}
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func TestTokenizeIndent (test *testing.T) {
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checkTokenSlice("../tests/lexer/indent.arf", test,
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quickToken(5, TokenKindName, "line1"),
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quickToken(1, TokenKindNewline, nil),
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quickToken(1, TokenKindIndent, 1),
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quickToken(5, TokenKindName, "line2"),
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quickToken(1, TokenKindNewline, nil),
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quickToken(4, TokenKindIndent, 4),
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quickToken(5, TokenKindName, "line3"),
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quickToken(1, TokenKindNewline, nil),
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quickToken(5, TokenKindName, "line4"),
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quickToken(1, TokenKindNewline, nil),
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quickToken(2, TokenKindIndent, 2),
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quickToken(5, TokenKindName, "line5"),
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quickToken(1, TokenKindNewline, nil),
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)
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}
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func TestTokenizeErr (test *testing.T) {
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compareErr (
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"../tests/lexer/error/unexpectedSymbol.arf",
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infoerr.ErrorKindError,
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"unexpected symbol character ;",
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1, 5, 1,
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test)
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compareErr (
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"../tests/lexer/error/excessDataRune.arf",
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infoerr.ErrorKindError,
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"excess data in rune literal",
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1, 1, 7,
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test)
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compareErr (
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"../tests/lexer/error/unknownEscape.arf",
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infoerr.ErrorKindError,
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"unknown escape character g",
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1, 2, 1,
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test)
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}
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