diff options
Diffstat (limited to 'libgo/go/regexp/all_test.go')
| -rw-r--r-- | libgo/go/regexp/all_test.go | 88 |
1 files changed, 86 insertions, 2 deletions
diff --git a/libgo/go/regexp/all_test.go b/libgo/go/regexp/all_test.go index 107dfe37cc7..f7b41a67416 100644 --- a/libgo/go/regexp/all_test.go +++ b/libgo/go/regexp/all_test.go @@ -176,6 +176,45 @@ var replaceTests = []ReplaceTest{ {"[a-c]*", "x", "def", "xdxexfx"}, {"[a-c]+", "x", "abcbcdcdedef", "xdxdedef"}, {"[a-c]*", "x", "abcbcdcdedef", "xdxdxexdxexfx"}, + + // Substitutions + {"a+", "($0)", "banana", "b(a)n(a)n(a)"}, + {"a+", "(${0})", "banana", "b(a)n(a)n(a)"}, + {"a+", "(${0})$0", "banana", "b(a)an(a)an(a)a"}, + {"a+", "(${0})$0", "banana", "b(a)an(a)an(a)a"}, + {"hello, (.+)", "goodbye, ${1}", "hello, world", "goodbye, world"}, + {"hello, (.+)", "goodbye, $1x", "hello, world", "goodbye, "}, + {"hello, (.+)", "goodbye, ${1}x", "hello, world", "goodbye, worldx"}, + {"hello, (.+)", "<$0><$1><$2><$3>", "hello, world", "<hello, world><world><><>"}, + {"hello, (?P<noun>.+)", "goodbye, $noun!", "hello, world", "goodbye, world!"}, + {"hello, (?P<noun>.+)", "goodbye, ${noun}", "hello, world", "goodbye, world"}, + {"(?P<x>hi)|(?P<x>bye)", "$x$x$x", "hi", "hihihi"}, + {"(?P<x>hi)|(?P<x>bye)", "$x$x$x", "bye", "byebyebye"}, + {"(?P<x>hi)|(?P<x>bye)", "$xyz", "hi", ""}, + {"(?P<x>hi)|(?P<x>bye)", "${x}yz", "hi", "hiyz"}, + {"(?P<x>hi)|(?P<x>bye)", "hello $$x", "hi", "hello $x"}, + {"a+", "${oops", "aaa", "${oops"}, + {"a+", "$$", "aaa", "$"}, + {"a+", "$", "aaa", "$"}, +} + +var replaceLiteralTests = []ReplaceTest{ + // Substitutions + {"a+", "($0)", "banana", "b($0)n($0)n($0)"}, + {"a+", "(${0})", "banana", "b(${0})n(${0})n(${0})"}, + {"a+", "(${0})$0", "banana", "b(${0})$0n(${0})$0n(${0})$0"}, + {"a+", "(${0})$0", "banana", "b(${0})$0n(${0})$0n(${0})$0"}, + {"hello, (.+)", "goodbye, ${1}", "hello, world", "goodbye, ${1}"}, + {"hello, (?P<noun>.+)", "goodbye, $noun!", "hello, world", "goodbye, $noun!"}, + {"hello, (?P<noun>.+)", "goodbye, ${noun}", "hello, world", "goodbye, ${noun}"}, + {"(?P<x>hi)|(?P<x>bye)", "$x$x$x", "hi", "$x$x$x"}, + {"(?P<x>hi)|(?P<x>bye)", "$x$x$x", "bye", "$x$x$x"}, + {"(?P<x>hi)|(?P<x>bye)", "$xyz", "hi", "$xyz"}, + {"(?P<x>hi)|(?P<x>bye)", "${x}yz", "hi", "${x}yz"}, + {"(?P<x>hi)|(?P<x>bye)", "hello $$x", "hi", "hello $$x"}, + {"a+", "${oops", "aaa", "${oops"}, + {"a+", "$$", "aaa", "$$"}, + {"a+", "$", "aaa", "$"}, } type ReplaceFuncTest struct { @@ -199,13 +238,58 @@ func TestReplaceAll(t *testing.T) { } actual := re.ReplaceAllString(tc.input, tc.replacement) if actual != tc.output { - t.Errorf("%q.Replace(%q,%q) = %q; want %q", + t.Errorf("%q.ReplaceAllString(%q,%q) = %q; want %q", tc.pattern, tc.input, tc.replacement, actual, tc.output) } // now try bytes actual = string(re.ReplaceAll([]byte(tc.input), []byte(tc.replacement))) if actual != tc.output { - t.Errorf("%q.Replace(%q,%q) = %q; want %q", + t.Errorf("%q.ReplaceAll(%q,%q) = %q; want %q", + tc.pattern, tc.input, tc.replacement, actual, tc.output) + } + } +} + +func TestReplaceAllLiteral(t *testing.T) { + // Run ReplaceAll tests that do not have $ expansions. + for _, tc := range replaceTests { + if strings.Contains(tc.replacement, "$") { + continue + } + re, err := Compile(tc.pattern) + if err != nil { + t.Errorf("Unexpected error compiling %q: %v", tc.pattern, err) + continue + } + actual := re.ReplaceAllLiteralString(tc.input, tc.replacement) + if actual != tc.output { + t.Errorf("%q.ReplaceAllLiteralString(%q,%q) = %q; want %q", + tc.pattern, tc.input, tc.replacement, actual, tc.output) + } + // now try bytes + actual = string(re.ReplaceAllLiteral([]byte(tc.input), []byte(tc.replacement))) + if actual != tc.output { + t.Errorf("%q.ReplaceAllLiteral(%q,%q) = %q; want %q", + tc.pattern, tc.input, tc.replacement, actual, tc.output) + } + } + + // Run literal-specific tests. + for _, tc := range replaceLiteralTests { + re, err := Compile(tc.pattern) + if err != nil { + t.Errorf("Unexpected error compiling %q: %v", tc.pattern, err) + continue + } + actual := re.ReplaceAllLiteralString(tc.input, tc.replacement) + if actual != tc.output { + t.Errorf("%q.ReplaceAllLiteralString(%q,%q) = %q; want %q", + tc.pattern, tc.input, tc.replacement, actual, tc.output) + } + // now try bytes + actual = string(re.ReplaceAllLiteral([]byte(tc.input), []byte(tc.replacement))) + if actual != tc.output { + t.Errorf("%q.ReplaceAllLiteral(%q,%q) = %q; want %q", tc.pattern, tc.input, tc.replacement, actual, tc.output) } } |