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GeezerVison is showing github.com — gpython/parser/stringescape_test.go at main · go-python/gpython Expand file tree/ Copy pathstringescape_test.goMore file actions 142 lines (137 loc) · 5.05 KB / Copy pathstringescape_test.goFile metadata and controls142 lines (137 loc) · 5.05 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 // Copyright 2018 The go-python Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package parser import ( "bytes" "testing" "github.com/go-python/gpython/py" ) func TestDecodeEscape(t *testing.T) { for _, test := range []struct { in string want string errString string byteMode bool }{ // Stringmode tests {``, ``, "", false}, {`Potato`, `Potato`, "", false}, {`Potato\`, ``, `Trailing \ in string`, false}, {`\Potato`, `\Potato`, "", false}, {`n\\`, `n\`, "", false}, {`\'x`, `'x`, "", false}, {`\"`, `"`, "", false}, {"\\\n", ``, "", false}, {`\b`, "\010", "", false}, {`\f`, "\014", "", false}, {`\t`, "\011", "", false}, {`\n`, "\012", "", false}, {`\r`, "\015", "", false}, {`\v`, "\013", "", false}, {`\a`, "\007", "", false}, {`\1`, "\001", "", false}, {`\12`, "\012", "", false}, {`\123`, "\123", "", false}, {`\777`, "\u01ff", "", false}, {`\1\12\123\1234`, "\001\012\123\123" + "4", "", false}, {`a\1a\12a\123a`, "a\001a\012a\123a", "", false}, {`\x`, "", `truncated \x escape at position 0`, false}, {`\x1`, "", `truncated \x escape at position 0`, false}, {`\x11`, "\x11", "", false}, {`\xzz`, "", `invalid \x escape at position 0`, false}, {`{\x11}`, "{\x11}", "", false}, {`\x01\x8a\xff`, "\x01\u008a\u00ff", "", false}, {`\x01\x8A\xFF`, "\x01\u008a\u00ff", "", false}, {`\u`, "", `truncated \u escape at position 0`, false}, {`\u1`, "", `truncated \u escape at position 0`, false}, {`\u12`, "", `truncated \u escape at position 0`, false}, {`z\u134`, "", `truncated \u escape at position 1`, false}, {`\u1234`, "\u1234", "", false}, {`z\uzzzz`, "", `invalid \u escape at position 1`, false}, {`{\u1234}`, "{\u1234}", "", false}, {`\U00000001\U0000018a\U000012ff`, "\U00000001\U0000018a\U000012ff", "", false}, {`\U00000001\U0000018A\U000012FF`, "\U00000001\U0000018a\U000012ff", "", false}, {`\U0000`, "", `truncated \U escape at position 0`, false}, {`\U00001`, "", `truncated \U escape at position 0`, false}, {`\U000012`, "", `truncated \U escape at position 0`, false}, {`z\U0000134`, "", `truncated \U escape at position 1`, false}, {`\U00001234`, "\U00001234", "", false}, {`z\Uzzzzzzzz`, "", `invalid \U escape at position 1`, false}, {`{\U00001234}`, "{\U00001234}", "", false}, {`\U00000001\U0000018a\U000012ff`, "\U00000001\U0000018a\U000012ff", "", false}, {`\U00000001\U0000018A\U000012FF`, "\U00000001\U0000018a\U000012ff", "", false}, {`\N{potato}`, `\N{potato}`, "", false}, // Bytemode tests {``, ``, "", true}, {`Potato`, `Potato`, "", true}, {`Potato\`, ``, `Trailing \ in string`, true}, {`\Potato`, `\Potato`, "", true}, {`n\\`, `n\`, "", true}, {`\'x`, `'x`, "", true}, {`\"`, `"`, "", true}, {"\\\n", ``, "", true}, {`\b`, "\010", "", true}, {`\f`, "\014", "", true}, {`\t`, "\011", "", true}, {`\n`, "\012", "", true}, {`\r`, "\015", "", true}, {`\v`, "\013", "", true}, {`\a`, "\007", "", true}, {`\1`, "\001", "", true}, {`\12`, "\012", "", true}, {`\123`, "\123", "", true}, {`\777`, "\xff", "", true}, {`\1\12\123\1234`, "\001\012\123\123" + "4", "", true}, {`a\1a\12a\123a`, "a\001a\012a\123a", "", true}, {`\x`, "", `truncated \x escape at position 0`, true}, {`\x1`, "", `truncated \x escape at position 0`, true}, {`\x11`, "\x11", "", true}, {`\xzz`, "", `invalid \x escape at position 0`, true}, {`{\x11}`, "{\x11}", "", true}, {`\x01\x8a\xff`, "\x01\x8a\xff", "", true}, {`\x01\x8A\xFF`, "\x01\x8a\xff", "", true}, {`\u`, `\u`, "", true}, {`\u1`, `\u1`, "", true}, {`\u12`, `\u12`, "", true}, {`z\u134`, `z\u134`, "", true}, {`\u1234`, `\u1234`, "", true}, {`z\uzzzz`, `z\uzzzz`, "", true}, {`{\u1234}`, `{\u1234}`, "", true}, {`\U00000001\U0000018a\U000012ff`, `\U00000001\U0000018a\U000012ff`, "", true}, {`\U00000001\U0000018A\U000012FF`, `\U00000001\U0000018A\U000012FF`, "", true}, {`\U0000`, `\U0000`, "", true}, {`\U00001`, `\U00001`, "", true}, {`\U000012`, `\U000012`, "", true}, {`z\U0000134`, `z\U0000134`, "", true}, {`\U00001234`, `\U00001234`, "", true}, {`z\Uzzzzzzzz`, `z\Uzzzzzzzz`, "", true}, {`{\U00001234}`, `{\U00001234}`, "", true}, {`\U00000001\U0000018a\U000012ff`, `\U00000001\U0000018a\U000012ff`, "", true}, {`\U00000001\U0000018A\U000012FF`, `\U00000001\U0000018A\U000012FF`, "", true}, {`\N{potato}`, `\N{potato}`, "", true}, } { in := bytes.NewBufferString(test.in) out, err := DecodeEscape(in, test.byteMode) if err != nil { if test.errString == "" { t.Errorf("%q: not expecting error but got: %v", test.in, err) } else { exc := err.(*py.Exception) args := exc.Args.(py.Tuple) if string(args[0].(py.String)) != test.errString { t.Errorf("%q: want error %q but got %q", test.in, test.errString, args[0]) } } continue } if test.errString != "" { t.Errorf("%q: expecting error but didn't get one", test.in) continue } got := out.String() if test.want != got { t.Errorf("%q: want %q but got %q", test.in, test.want, got) } } } |
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