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// Copyright 2015 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package strutil
import (
"testing"
)
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"`},
}
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"},
{`'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`},
{"`abc`", `abc`},
{"`☺`", `☺`},
{"`hello world`", `hello world`},
{"`\\xFF`", `\xFF`},
{"`\\377`", `\377`},
{"`\\`", `\`},
{"`\n`", "\n"},
{"` `", ` `},
}
var misquoted = []string{
``,
`"`,
`"a`,
`"'`,
`b"`,
`"\"`,
`"\9"`,
`"\19"`,
`"\129"`,
`'\'`,
`'\9'`,
`'\19'`,
`'\129'`,
`"\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)
}
}
}
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