1 files changed, 104 insertions, 0 deletions
diff --git a/src/cmd/gofmt/testdata/composites.input b/src/cmd/gofmt/testdata/composites.input
new file mode 100644
index 000000000..15afd9e5c
--- /dev/null
+++ b/src/cmd/gofmt/testdata/composites.input
@@ -0,0 +1,104 @@
+package P
+
+type T struct {
+	x, y int
+}
+
+var _ = [42]T{
+	T{},
+	T{1, 2},
+	T{3, 4},
+}
+
+var _ = [...]T{
+	T{},
+	T{1, 2},
+	T{3, 4},
+}
+
+var _ = []T{
+	T{},
+	T{1, 2},
+	T{3, 4},
+}
+
+var _ = []T{
+	T{},
+	10: T{1, 2},
+	20: T{3, 4},
+}
+
+var _ = []struct {
+	x, y int
+}{
+	struct{ x, y int }{},
+	10: struct{ x, y int }{1, 2},
+	20: struct{ x, y int }{3, 4},
+}
+
+var _ = []interface{}{
+	T{},
+	10: T{1, 2},
+	20: T{3, 4},
+}
+
+var _ = [][]int{
+	[]int{},
+	[]int{1, 2},
+	[]int{3, 4},
+}
+
+var _ = [][]int{
+	([]int{}),
+	([]int{1, 2}),
+	[]int{3, 4},
+}
+
+var _ = [][][]int{
+	[][]int{},
+	[][]int{
+		[]int{},
+		[]int{0, 1, 2, 3},
+		[]int{4, 5},
+	},
+}
+
+var _ = map[string]T{
+	"foo": T{},
+	"bar": T{1, 2},
+	"bal": T{3, 4},
+}
+
+var _ = map[string]struct {
+	x, y int
+}{
+	"foo": struct{ x, y int }{},
+	"bar": struct{ x, y int }{1, 2},
+	"bal": struct{ x, y int }{3, 4},
+}
+
+var _ = map[string]interface{}{
+	"foo": T{},
+	"bar": T{1, 2},
+	"bal": T{3, 4},
+}
+
+var _ = map[string][]int{
+	"foo": []int{},
+	"bar": []int{1, 2},
+	"bal": []int{3, 4},
+}
+
+var _ = map[string][]int{
+	"foo": ([]int{}),
+	"bar": ([]int{1, 2}),
+	"bal": []int{3, 4},
+}
+
+// from exp/4s/data.go
+var pieces4 = []Piece{
+	Piece{0, 0, Point{4, 1}, []Point{Point{0, 0}, Point{1, 0}, Point{1, 0}, Point{1, 0}}, nil, nil},
+	Piece{1, 0, Point{1, 4}, []Point{Point{0, 0}, Point{0, 1}, Point{0, 1}, Point{0, 1}}, nil, nil},
+	Piece{2, 0, Point{4, 1}, []Point{Point{0, 0}, Point{1, 0}, Point{1, 0}, Point{1, 0}}, nil, nil},
+	Piece{3, 0, Point{1, 4}, []Point{Point{0, 0}, Point{0, 1}, Point{0, 1}, Point{0, 1}}, nil, nil},
+}