package eol_test import ( "testing" "io" "strings" "sourcecode.social/reiver/go-utf8" "sourcecode.social/reiver/go-eol" ) func TestReadLS(t *testing.T) { tests := []struct{ Value string ExpectedSize int }{ { Value: "\u2028", ExpectedSize: 3, }, { Value: "\u2028apple banana cherry", ExpectedSize: 3, }, } for testNumber, test := range tests { var reader io.Reader = strings.NewReader(test.Value) var runescanner io.RuneScanner = utf8.NewRuneScanner(reader) actualSize, err := eol.ReadLS(runescanner) if nil != err { t.Errorf("For test #%d, did not expect an error but actually got one.", testNumber) t.Logf("ERROR: (%T) %s", err, err) t.Logf("VALUE: %q", test.Value) continue } { expected := test.ExpectedSize actual := actualSize if expected != actual { t.Errorf("For test #%d, the actual size is not what was expected.", testNumber) t.Logf("EXPECTED: %d", expected) t.Logf("ACTUAL: %d", actual) t.Logf("VALUE: %q", test.Value) continue } } } } func TestReadLS_fail(t *testing.T) { tests := []struct{ Value string ExpectedError string }{ { Value: "", ExpectedError: `eol: problem reading character №1 of end-of-line sequence "\u2028": EOF`, }, { Value: "\n", ExpectedError: `eol: line-separator (LS) character (U+2028) not found for end-of-line sequence "\u2028" character №1 — instead found '\n' (U+000A)`, }, { Value: "\r", ExpectedError: `eol: line-separator (LS) character (U+2028) not found for end-of-line sequence "\u2028" character №1 — instead found '\r' (U+000D)`, }, { Value: "\u0085", ExpectedError: `eol: line-separator (LS) character (U+2028) not found for end-of-line sequence "\u2028" character №1 — instead found '\u0085' (U+0085)`, }, { Value: "😈", ExpectedError: `eol: line-separator (LS) character (U+2028) not found for end-of-line sequence "\u2028" character №1 — instead found '😈' (U+1F608)`, }, { Value: "\napple banana cherry", ExpectedError: `eol: line-separator (LS) character (U+2028) not found for end-of-line sequence "\u2028" character №1 — instead found '\n' (U+000A)`, }, { Value: "\rapple banana cherry", ExpectedError: `eol: line-separator (LS) character (U+2028) not found for end-of-line sequence "\u2028" character №1 — instead found '\r' (U+000D)`, }, { Value: "\u0085apple banana cherry", ExpectedError: `eol: line-separator (LS) character (U+2028) not found for end-of-line sequence "\u2028" character №1 — instead found '\u0085' (U+0085)`, }, { Value: "😈apple banana cherry", ExpectedError: `eol: line-separator (LS) character (U+2028) not found for end-of-line sequence "\u2028" character №1 — instead found '😈' (U+1F608)`, }, { Value: " \n", ExpectedError: `eol: line-separator (LS) character (U+2028) not found for end-of-line sequence "\u2028" character №1 — instead found ' ' (U+0020)`, }, { Value: " \r", ExpectedError: `eol: line-separator (LS) character (U+2028) not found for end-of-line sequence "\u2028" character №1 — instead found ' ' (U+0020)`, }, { Value: " \u0085", ExpectedError: `eol: line-separator (LS) character (U+2028) not found for end-of-line sequence "\u2028" character №1 — instead found ' ' (U+0020)`, }, { Value: " \u2028", ExpectedError: `eol: line-separator (LS) character (U+2028) not found for end-of-line sequence "\u2028" character №1 — instead found ' ' (U+0020)`, }, { Value: " 😈", ExpectedError: `eol: line-separator (LS) character (U+2028) not found for end-of-line sequence "\u2028" character №1 — instead found ' ' (U+0020)`, }, { Value: ".\n", ExpectedError: `eol: line-separator (LS) character (U+2028) not found for end-of-line sequence "\u2028" character №1 — instead found '.' (U+002E)`, }, { Value: ".\r", ExpectedError: `eol: line-separator (LS) character (U+2028) not found for end-of-line sequence "\u2028" character №1 — instead found '.' (U+002E)`, }, { Value: ".\u0085", ExpectedError: `eol: line-separator (LS) character (U+2028) not found for end-of-line sequence "\u2028" character №1 — instead found '.' (U+002E)`, }, { Value: ".\u2028", ExpectedError: `eol: line-separator (LS) character (U+2028) not found for end-of-line sequence "\u2028" character №1 — instead found '.' (U+002E)`, }, { Value: ".😈", ExpectedError: `eol: line-separator (LS) character (U+2028) not found for end-of-line sequence "\u2028" character №1 — instead found '.' (U+002E)`, }, } for testNumber, test := range tests { var reader io.Reader = strings.NewReader(test.Value) var runescanner io.RuneScanner = utf8.NewRuneScanner(reader) actualSize, err := eol.ReadLS(runescanner) if nil == err { t.Errorf("For test #%d, expected an error but did not actually get one.", testNumber) t.Logf("EXPECTED-ERROR: %q", test.ExpectedError) t.Logf("VALUE: %q", test.Value) continue } { expected := test.ExpectedError actual := err.Error() if expected != actual { t.Errorf("For test #%d, the actual error is not what was expected.", testNumber) t.Logf("EXPECTED: %q", expected) t.Logf("ACTUAL: %q", actual) t.Logf("VALUE: %q", test.Value) continue } } { expected := 0 actual := actualSize if expected != actual { t.Errorf("For test #%d, the actual size is not what was expected.", testNumber) t.Logf("EXPECTED: %d", expected) t.Logf("ACTUAL: %d", actual) t.Logf("VALUE: %q", test.Value) continue } } } }