1 files changed, 66 insertions, 0 deletions
diff --git a/libgo/go/cmd/gofmt/testdata/slices1.input b/libgo/go/cmd/gofmt/testdata/slices1.input
new file mode 100644
index 0000000000..1f25c43ccb
--- /dev/null
+++ b/libgo/go/cmd/gofmt/testdata/slices1.input
@@ -0,0 +1,66 @@
+//gofmt -s
+
+// Test cases for slice expression simplification.
+package p
+
+var (
+	a [10]byte
+	b [20]float32
+	s []int
+	t struct {
+		s []byte
+	}
+
+	_ = a[0:]
+	_ = a[1:10]
+	_ = a[2:len(a)]
+	_ = a[3:(len(a))]
+	_ = a[len(a) : len(a)-1]
+	_ = a[0:len(b)]
+	_ = a[2:len(a):len(a)]
+
+	_ = a[:]
+	_ = a[:10]
+	_ = a[:len(a)]
+	_ = a[:(len(a))]
+	_ = a[:len(a)-1]
+	_ = a[:len(b)]
+	_ = a[:len(a):len(a)]
+
+	_ = s[0:]
+	_ = s[1:10]
+	_ = s[2:len(s)]
+	_ = s[3:(len(s))]
+	_ = s[len(a) : len(s)-1]
+	_ = s[0:len(b)]
+	_ = s[2:len(s):len(s)]
+
+	_ = s[:]
+	_ = s[:10]
+	_ = s[:len(s)]
+	_ = s[:(len(s))]
+	_ = s[:len(s)-1]
+	_ = s[:len(b)]
+	_ = s[:len(s):len(s)]
+
+	_ = t.s[0:]
+	_ = t.s[1:10]
+	_ = t.s[2:len(t.s)]
+	_ = t.s[3:(len(t.s))]
+	_ = t.s[len(a) : len(t.s)-1]
+	_ = t.s[0:len(b)]
+	_ = t.s[2:len(t.s):len(t.s)]
+
+	_ = t.s[:]
+	_ = t.s[:10]
+	_ = t.s[:len(t.s)]
+	_ = t.s[:(len(t.s))]
+	_ = t.s[:len(t.s)-1]
+	_ = t.s[:len(b)]
+	_ = t.s[:len(t.s):len(t.s)]
+)
+
+func _() {
+	s := s[0:len(s)]
+	_ = s
+}