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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgo/] [go/] [regexp/] [syntax/] [prog_test.go] - Blame information for rev 747

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1 747 jeremybenn 
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package syntax_test
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import (
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        . "regexp/syntax"
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        "testing"
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)
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var compileTests = []struct {
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        Regexp string
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        Prog   string
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}{
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        {"a", `  0      fail
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  1*    rune1 "a" -> 2
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  2     match
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`},
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        {"[A-M][n-z]", `  0     fail
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  1*    rune "AM" -> 2
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  2     rune "nz" -> 3
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  3     match
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`},
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        {"", `  0       fail
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  1*    nop -> 2
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  2     match
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`},
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        {"a?", `  0     fail
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  1     rune1 "a" -> 3
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  2*    alt -> 1, 3
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  3     match
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`},
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        {"a??", `  0    fail
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  1     rune1 "a" -> 3
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  2*    alt -> 3, 1
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  3     match
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`},
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        {"a+", `  0     fail
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  1*    rune1 "a" -> 2
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  2     alt -> 1, 3
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  3     match
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`},
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        {"a+?", `  0    fail
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  1*    rune1 "a" -> 2
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  2     alt -> 3, 1
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  3     match
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`},
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        {"a*", `  0     fail
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  1     rune1 "a" -> 2
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  2*    alt -> 1, 3
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  3     match
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`},
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        {"a*?", `  0    fail
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  1     rune1 "a" -> 2
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  2*    alt -> 3, 1
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  3     match
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`},
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        {"a+b+", `  0   fail
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  1*    rune1 "a" -> 2
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  2     alt -> 1, 3
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  3     rune1 "b" -> 4
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  4     alt -> 3, 5
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  5     match
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`},
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        {"(a+)(b+)", `  0       fail
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  1*    cap 2 -> 2
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  2     rune1 "a" -> 3
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  3     alt -> 2, 4
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  4     cap 3 -> 5
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  5     cap 4 -> 6
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  6     rune1 "b" -> 7
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  7     alt -> 6, 8
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  8     cap 5 -> 9
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  9     match
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`},
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        {"a+|b+", `  0  fail
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  1     rune1 "a" -> 2
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  2     alt -> 1, 6
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  3     rune1 "b" -> 4
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  4     alt -> 3, 6
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  5*    alt -> 1, 3
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  6     match
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`},
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        {"A[Aa]", `  0  fail
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  1*    rune1 "A" -> 2
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  2     rune "A"/i -> 3
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  3     match
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`},
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        {"(?:(?:^).)", `  0     fail
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  1*    empty 4 -> 2
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  2     anynotnl -> 3
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  3     match
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`},
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}
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func TestCompile(t *testing.T) {
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        for _, tt := range compileTests {
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                re, _ := Parse(tt.Regexp, Perl)
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                p, _ := Compile(re)
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                s := p.String()
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                if s != tt.Prog {
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                        t.Errorf("compiled %#q:\n--- have\n%s---\n--- want\n%s---", tt.Regexp, s, tt.Prog)
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                }
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        }
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}

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