Imported Upstream version 1.4upstream/1.4

1 files changed, 211 insertions, 0 deletions

diff --git a/src/path/filepath/match_test.go b/src/path/filepath/match_test.go
new file mode 100644
index 000000000..20ec5aa2a
--- /dev/null
+++ b/src/path/filepath/match_test.go
@@ -0,0 +1,211 @@
+// 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 filepath_test
+
+import (
+	"io/ioutil"
+	"os"
+	. "path/filepath"
+	"runtime"
+	"strings"
+	"testing"
+)
+
+type MatchTest struct {
+	pattern, s string
+	match      bool
+	err        error
+}
+
+var matchTests = []MatchTest{
+	{"abc", "abc", true, nil},
+	{"*", "abc", true, nil},
+	{"*c", "abc", true, nil},
+	{"a*", "a", true, nil},
+	{"a*", "abc", true, nil},
+	{"a*", "ab/c", false, nil},
+	{"a*/b", "abc/b", true, nil},
+	{"a*/b", "a/c/b", false, nil},
+	{"a*b*c*d*e*/f", "axbxcxdxe/f", true, nil},
+	{"a*b*c*d*e*/f", "axbxcxdxexxx/f", true, nil},
+	{"a*b*c*d*e*/f", "axbxcxdxe/xxx/f", false, nil},
+	{"a*b*c*d*e*/f", "axbxcxdxexxx/fff", false, nil},
+	{"a*b?c*x", "abxbbxdbxebxczzx", true, nil},
+	{"a*b?c*x", "abxbbxdbxebxczzy", false, nil},
+	{"ab[c]", "abc", true, nil},
+	{"ab[b-d]", "abc", true, nil},
+	{"ab[e-g]", "abc", false, nil},
+	{"ab[^c]", "abc", false, nil},
+	{"ab[^b-d]", "abc", false, nil},
+	{"ab[^e-g]", "abc", true, nil},
+	{"a\\*b", "a*b", true, nil},
+	{"a\\*b", "ab", false, nil},
+	{"a?b", "a☺b", true, nil},
+	{"a[^a]b", "a☺b", true, nil},
+	{"a???b", "a☺b", false, nil},
+	{"a[^a][^a][^a]b", "a☺b", false, nil},
+	{"[a-ζ]*", "α", true, nil},
+	{"*[a-ζ]", "A", false, nil},
+	{"a?b", "a/b", false, nil},
+	{"a*b", "a/b", false, nil},
+	{"[\\]a]", "]", true, nil},
+	{"[\\-]", "-", true, nil},
+	{"[x\\-]", "x", true, nil},
+	{"[x\\-]", "-", true, nil},
+	{"[x\\-]", "z", false, nil},
+	{"[\\-x]", "x", true, nil},
+	{"[\\-x]", "-", true, nil},
+	{"[\\-x]", "a", false, nil},
+	{"[]a]", "]", false, ErrBadPattern},
+	{"[-]", "-", false, ErrBadPattern},
+	{"[x-]", "x", false, ErrBadPattern},
+	{"[x-]", "-", false, ErrBadPattern},
+	{"[x-]", "z", false, ErrBadPattern},
+	{"[-x]", "x", false, ErrBadPattern},
+	{"[-x]", "-", false, ErrBadPattern},
+	{"[-x]", "a", false, ErrBadPattern},
+	{"\\", "a", false, ErrBadPattern},
+	{"[a-b-c]", "a", false, ErrBadPattern},
+	{"[", "a", false, ErrBadPattern},
+	{"[^", "a", false, ErrBadPattern},
+	{"[^bc", "a", false, ErrBadPattern},
+	{"a[", "a", false, nil},
+	{"a[", "ab", false, ErrBadPattern},
+	{"*x", "xxx", true, nil},
+}
+
+func errp(e error) string {
+	if e == nil {
+		return "<nil>"
+	}
+	return e.Error()
+}
+
+func TestMatch(t *testing.T) {
+	for _, tt := range matchTests {
+		pattern := tt.pattern
+		s := tt.s
+		if runtime.GOOS == "windows" {
+			if strings.Index(pattern, "\\") >= 0 {
+				// no escape allowed on windows.
+				continue
+			}
+			pattern = Clean(pattern)
+			s = Clean(s)
+		}
+		ok, err := Match(pattern, s)
+		if ok != tt.match || err != tt.err {
+			t.Errorf("Match(%#q, %#q) = %v, %q want %v, %q", pattern, s, ok, errp(err), tt.match, errp(tt.err))
+		}
+	}
+}
+
+// contains returns true if vector contains the string s.
+func contains(vector []string, s string) bool {
+	for _, elem := range vector {
+		if elem == s {
+			return true
+		}
+	}
+	return false
+}
+
+var globTests = []struct {
+	pattern, result string
+}{
+	{"match.go", "match.go"},
+	{"mat?h.go", "match.go"},
+	{"*", "match.go"},
+	{"../*/match.go", "../filepath/match.go"},
+}
+
+func TestGlob(t *testing.T) {
+	for _, tt := range globTests {
+		pattern := tt.pattern
+		result := tt.result
+		if runtime.GOOS == "windows" {
+			pattern = Clean(pattern)
+			result = Clean(result)
+		}
+		matches, err := Glob(pattern)
+		if err != nil {
+			t.Errorf("Glob error for %q: %s", pattern, err)
+			continue
+		}
+		if !contains(matches, result) {
+			t.Errorf("Glob(%#q) = %#v want %v", pattern, matches, result)
+		}
+	}
+	for _, pattern := range []string{"no_match", "../*/no_match"} {
+		matches, err := Glob(pattern)
+		if err != nil {
+			t.Errorf("Glob error for %q: %s", pattern, err)
+			continue
+		}
+		if len(matches) != 0 {
+			t.Errorf("Glob(%#q) = %#v want []", pattern, matches)
+		}
+	}
+}
+
+func TestGlobError(t *testing.T) {
+	_, err := Glob("[7]")
+	if err != nil {
+		t.Error("expected error for bad pattern; got none")
+	}
+}
+
+var globSymlinkTests = []struct {
+	path, dest string
+	brokenLink bool
+}{
+	{"test1", "link1", false},
+	{"test2", "link2", true},
+}
+
+func TestGlobSymlink(t *testing.T) {
+	switch runtime.GOOS {
+	case "nacl", "plan9":
+		t.Skipf("skipping on %s", runtime.GOOS)
+	case "windows":
+		if !supportsSymlinks {
+			t.Skipf("skipping on %s", runtime.GOOS)
+		}
+
+	}
+
+	tmpDir, err := ioutil.TempDir("", "globsymlink")
+	if err != nil {
+		t.Fatal("creating temp dir:", err)
+	}
+	defer os.RemoveAll(tmpDir)
+
+	for _, tt := range globSymlinkTests {
+		path := Join(tmpDir, tt.path)
+		dest := Join(tmpDir, tt.dest)
+		f, err := os.Create(path)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if err := f.Close(); err != nil {
+			t.Fatal(err)
+		}
+		err = os.Symlink(path, dest)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if tt.brokenLink {
+			// Break the symlink.
+			os.Remove(path)
+		}
+		matches, err := Glob(dest)
+		if err != nil {
+			t.Errorf("GlobSymlink error for %q: %s", dest, err)
+		}
+		if !contains(matches, dest) {
+			t.Errorf("Glob(%#q) = %#v want %v", dest, matches, dest)
+		}
+	}
+}