reflect: Fix Copy of arrays
R=golang-dev, rsc1
CC=golang-dev
https://golang.org/cl/4438077
diff --git a/src/pkg/reflect/all_test.go b/src/pkg/reflect/all_test.go
index f510294..5bf6533 100644
--- a/src/pkg/reflect/all_test.go
+++ b/src/pkg/reflect/all_test.go
@@ -565,6 +565,33 @@
}
}
+func TestCopyArray(t *testing.T) {
+ a := [8]int{1, 2, 3, 4, 10, 9, 8, 7}
+ b := [11]int{11, 22, 33, 44, 1010, 99, 88, 77, 66, 55, 44}
+ c := b
+ aa := ValueOf(&a).Elem()
+ ab := ValueOf(&b).Elem()
+ Copy(ab, aa)
+ for i := 0; i < len(a); i++ {
+ if a[i] != b[i] {
+ t.Errorf("(i) a[%d]=%d, b[%d]=%d", i, a[i], i, b[i])
+ }
+ }
+ for i := len(a); i < len(b); i++ {
+ if b[i] != c[i] {
+ if i < len(a) {
+ t.Errorf("(ii) a[%d]=%d, b[%d]=%d, c[%d]=%d",
+ i, a[i], i, b[i], i, c[i])
+ } else {
+ t.Errorf("(iii) b[%d]=%d, c[%d]=%d",
+ i, b[i], i, c[i])
+ }
+ } else {
+ t.Logf("elem %d is okay\n", i)
+ }
+ }
+}
+
func TestBigUnnamedStruct(t *testing.T) {
b := struct{ a, b, c, d int64 }{1, 2, 3, 4}
v := ValueOf(b)
