reflect: fix TestAllocations now that interfaces hold only pointers
This test was failing but did not break the build because it
was not run when -test.short was used.
LGTM=bradfitz
R=golang-codereviews, bradfitz
CC=golang-codereviews
https://golang.org/cl/157150043
diff --git a/src/reflect/all_test.go b/src/reflect/all_test.go
index 40eae03..268a9e3 100644
--- a/src/reflect/all_test.go
+++ b/src/reflect/all_test.go
@@ -2502,10 +2502,21 @@
noAlloc(t, 100, func(j int) {
var i interface{}
var v Value
- i = 42 + j
+
+ // We can uncomment this when compiler escape analysis
+ // is good enough to see that the integer assigned to i
+ // does not escape and therefore need not be allocated.
+ //
+ // i = 42 + j
+ // v = ValueOf(i)
+ // if int(v.Int()) != 42+j {
+ // panic("wrong int")
+ // }
+
+ i = func(j int) int { return j }
v = ValueOf(i)
- if int(v.Int()) != 42+j {
- panic("wrong int")
+ if v.Interface().(func(int) int)(j) != j {
+ panic("wrong result")
}
})
}