diff options
Diffstat (limited to 'src/strconv/quote_test.go')
| -rw-r--r-- | src/strconv/quote_test.go | 266 |
1 files changed, 266 insertions, 0 deletions
diff --git a/src/strconv/quote_test.go b/src/strconv/quote_test.go new file mode 100644 index 000000000..3bf162f98 --- /dev/null +++ b/src/strconv/quote_test.go @@ -0,0 +1,266 @@ +// Copyright 2009 The Go 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 strconv_test + +import ( + . "strconv" + "testing" + "unicode" +) + +// Verify that our isPrint agrees with unicode.IsPrint +func TestIsPrint(t *testing.T) { + n := 0 + for r := rune(0); r <= unicode.MaxRune; r++ { + if IsPrint(r) != unicode.IsPrint(r) { + t.Errorf("IsPrint(%U)=%t incorrect", r, IsPrint(r)) + n++ + if n > 10 { + return + } + } + } +} + +type quoteTest struct { + in string + out string + ascii string +} + +var quotetests = []quoteTest{ + {"\a\b\f\r\n\t\v", `"\a\b\f\r\n\t\v"`, `"\a\b\f\r\n\t\v"`}, + {"\\", `"\\"`, `"\\"`}, + {"abc\xffdef", `"abc\xffdef"`, `"abc\xffdef"`}, + {"\u263a", `"☺"`, `"\u263a"`}, + {"\U0010ffff", `"\U0010ffff"`, `"\U0010ffff"`}, + {"\x04", `"\x04"`, `"\x04"`}, +} + +func TestQuote(t *testing.T) { + for _, tt := range quotetests { + if out := Quote(tt.in); out != tt.out { + t.Errorf("Quote(%s) = %s, want %s", tt.in, out, tt.out) + } + if out := AppendQuote([]byte("abc"), tt.in); string(out) != "abc"+tt.out { + t.Errorf("AppendQuote(%q, %s) = %s, want %s", "abc", tt.in, out, "abc"+tt.out) + } + } +} + +func TestQuoteToASCII(t *testing.T) { + for _, tt := range quotetests { + if out := QuoteToASCII(tt.in); out != tt.ascii { + t.Errorf("QuoteToASCII(%s) = %s, want %s", tt.in, out, tt.ascii) + } + if out := AppendQuoteToASCII([]byte("abc"), tt.in); string(out) != "abc"+tt.ascii { + t.Errorf("AppendQuoteToASCII(%q, %s) = %s, want %s", "abc", tt.in, out, "abc"+tt.ascii) + } + } +} + +type quoteRuneTest struct { + in rune + out string + ascii string +} + +var quoterunetests = []quoteRuneTest{ + {'a', `'a'`, `'a'`}, + {'\a', `'\a'`, `'\a'`}, + {'\\', `'\\'`, `'\\'`}, + {0xFF, `'ÿ'`, `'\u00ff'`}, + {0x263a, `'☺'`, `'\u263a'`}, + {0xfffd, `'�'`, `'\ufffd'`}, + {0x0010ffff, `'\U0010ffff'`, `'\U0010ffff'`}, + {0x0010ffff + 1, `'�'`, `'\ufffd'`}, + {0x04, `'\x04'`, `'\x04'`}, +} + +func TestQuoteRune(t *testing.T) { + for _, tt := range quoterunetests { + if out := QuoteRune(tt.in); out != tt.out { + t.Errorf("QuoteRune(%U) = %s, want %s", tt.in, out, tt.out) + } + if out := AppendQuoteRune([]byte("abc"), tt.in); string(out) != "abc"+tt.out { + t.Errorf("AppendQuoteRune(%q, %U) = %s, want %s", "abc", tt.in, out, "abc"+tt.out) + } + } +} + +func TestQuoteRuneToASCII(t *testing.T) { + for _, tt := range quoterunetests { + if out := QuoteRuneToASCII(tt.in); out != tt.ascii { + t.Errorf("QuoteRuneToASCII(%U) = %s, want %s", tt.in, out, tt.ascii) + } + if out := AppendQuoteRuneToASCII([]byte("abc"), tt.in); string(out) != "abc"+tt.ascii { + t.Errorf("AppendQuoteRuneToASCII(%q, %U) = %s, want %s", "abc", tt.in, out, "abc"+tt.ascii) + } + } +} + +type canBackquoteTest struct { + in string + out bool +} + +var canbackquotetests = []canBackquoteTest{ + {"`", false}, + {string(0), false}, + {string(1), false}, + {string(2), false}, + {string(3), false}, + {string(4), false}, + {string(5), false}, + {string(6), false}, + {string(7), false}, + {string(8), false}, + {string(9), true}, // \t + {string(10), false}, + {string(11), false}, + {string(12), false}, + {string(13), false}, + {string(14), false}, + {string(15), false}, + {string(16), false}, + {string(17), false}, + {string(18), false}, + {string(19), false}, + {string(20), false}, + {string(21), false}, + {string(22), false}, + {string(23), false}, + {string(24), false}, + {string(25), false}, + {string(26), false}, + {string(27), false}, + {string(28), false}, + {string(29), false}, + {string(30), false}, + {string(31), false}, + {string(0x7F), false}, + {`' !"#$%&'()*+,-./:;<=>?@[\]^_{|}~`, true}, + {`0123456789`, true}, + {`ABCDEFGHIJKLMNOPQRSTUVWXYZ`, true}, + {`abcdefghijklmnopqrstuvwxyz`, true}, + {`☺`, true}, + {"\x80", false}, + {"a\xe0\xa0z", false}, + {"\ufeffabc", false}, + {"a\ufeffz", false}, +} + +func TestCanBackquote(t *testing.T) { + for _, tt := range canbackquotetests { + if out := CanBackquote(tt.in); out != tt.out { + t.Errorf("CanBackquote(%q) = %v, want %v", tt.in, out, tt.out) + } + } +} + +type unQuoteTest struct { + in string + out string +} + +var unquotetests = []unQuoteTest{ + {`""`, ""}, + {`"a"`, "a"}, + {`"abc"`, "abc"}, + {`"☺"`, "☺"}, + {`"hello world"`, "hello world"}, + {`"\xFF"`, "\xFF"}, + {`"\377"`, "\377"}, + {`"\u1234"`, "\u1234"}, + {`"\U00010111"`, "\U00010111"}, + {`"\U0001011111"`, "\U0001011111"}, + {`"\a\b\f\n\r\t\v\\\""`, "\a\b\f\n\r\t\v\\\""}, + {`"'"`, "'"}, + + {`'a'`, "a"}, + {`'☹'`, "☹"}, + {`'\a'`, "\a"}, + {`'\x10'`, "\x10"}, + {`'\377'`, "\377"}, + {`'\u1234'`, "\u1234"}, + {`'\U00010111'`, "\U00010111"}, + {`'\t'`, "\t"}, + {`' '`, " "}, + {`'\''`, "'"}, + {`'"'`, "\""}, + + {"``", ``}, + {"`a`", `a`}, + {"`abc`", `abc`}, + {"`☺`", `☺`}, + {"`hello world`", `hello world`}, + {"`\\xFF`", `\xFF`}, + {"`\\377`", `\377`}, + {"`\\`", `\`}, + {"`\n`", "\n"}, + {"` `", ` `}, + {"` `", ` `}, +} + +var misquoted = []string{ + ``, + `"`, + `"a`, + `"'`, + `b"`, + `"\"`, + `"\9"`, + `"\19"`, + `"\129"`, + `'\'`, + `'\9'`, + `'\19'`, + `'\129'`, + `'ab'`, + `"\x1!"`, + `"\U12345678"`, + `"\z"`, + "`", + "`xxx", + "`\"", + `"\'"`, + `'\"'`, + "\"\n\"", + "\"\\n\n\"", + "'\n'", +} + +func TestUnquote(t *testing.T) { + for _, tt := range unquotetests { + if out, err := Unquote(tt.in); err != nil && out != tt.out { + t.Errorf("Unquote(%#q) = %q, %v want %q, nil", tt.in, out, err, tt.out) + } + } + + // run the quote tests too, backward + for _, tt := range quotetests { + if in, err := Unquote(tt.out); in != tt.in { + t.Errorf("Unquote(%#q) = %q, %v, want %q, nil", tt.out, in, err, tt.in) + } + } + + for _, s := range misquoted { + if out, err := Unquote(s); out != "" || err != ErrSyntax { + t.Errorf("Unquote(%#q) = %q, %v want %q, %v", s, out, err, "", ErrSyntax) + } + } +} + +func BenchmarkUnquoteEasy(b *testing.B) { + for i := 0; i < b.N; i++ { + Unquote(`"Give me a rock, paper and scissors and I will move the world."`) + } +} + +func BenchmarkUnquoteHard(b *testing.B) { + for i := 0; i < b.N; i++ { + Unquote(`"\x47ive me a \x72ock, \x70aper and \x73cissors and \x49 will move the world."`) + } +} |