reflect: test using a MakeFunc value in a couple of different ways
The gccgo implementation mishandled calling Interface on a
value created by MakeFunc.
R=golang-dev, r
CC=golang-dev
https://golang.org/cl/14401043
diff --git a/src/pkg/reflect/all_test.go b/src/pkg/reflect/all_test.go
index 6e485c1..e9a2096 100644
--- a/src/pkg/reflect/all_test.go
+++ b/src/pkg/reflect/all_test.go
@@ -1452,6 +1452,24 @@
}
}
+func TestMakeFuncInterface(t *testing.T) {
+ fn := func(i int) int { return i }
+ incr := func(in []Value) []Value {
+ return []Value{ValueOf(int(in[0].Int() + 1))}
+ }
+ fv := MakeFunc(TypeOf(fn), incr)
+ ValueOf(&fn).Elem().Set(fv)
+ if r := fn(2); r != 3 {
+ t.Errorf("Call returned %d, want 3", r)
+ }
+ if r := fv.Call([]Value{ValueOf(14)})[0].Int(); r != 15 {
+ t.Errorf("Call returned %d, want 15", r)
+ }
+ if r := fv.Interface().(func(int) int)(26); r != 27 {
+ t.Errorf("Call returned %d, want 27", r)
+ }
+}
+
type Point struct {
x, y int
}
