1 files changed, 39 insertions, 0 deletions
diff --git a/src/cmd/distpack/archive_test.go b/src/cmd/distpack/archive_test.go
new file mode 100644
index 0000000..620b970
--- /dev/null
+++ b/src/cmd/distpack/archive_test.go
@@ -0,0 +1,39 @@
+// Copyright 2023 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 main
+
+import "testing"
+
+var amatchTests = []struct {
+	pattern string
+	name    string
+	ok      bool
+}{
+	{"a", "a", true},
+	{"a", "b", false},
+	{"a/**", "a", true},
+	{"a/**", "b", false},
+	{"a/**", "a/b", true},
+	{"a/**", "b/b", false},
+	{"a/**", "a/b/c/d/e/f", true},
+	{"a/**", "z/a/b/c/d/e/f", false},
+	{"**/a", "a", true},
+	{"**/a", "b", false},
+	{"**/a", "x/a", true},
+	{"**/a", "x/a/b", false},
+	{"**/a", "x/y/z/a", true},
+	{"**/a", "x/y/z/a/b", false},
+
+	{"go/pkg/tool/*/compile", "go/pkg/tool/darwin_amd64/compile", true},
+}
+
+func TestAmatch(t *testing.T) {
+	for _, tt := range amatchTests {
+		ok, err := amatch(tt.pattern, tt.name)
+		if ok != tt.ok || err != nil {
+			t.Errorf("amatch(%q, %q) = %v, %v, want %v, nil", tt.pattern, tt.name, ok, err, tt.ok)
+		}
+	}
+}