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Diffstat (limited to 'gcc-4.9/gcc/testsuite/go.test/test/interface/struct.go')
-rw-r--r--gcc-4.9/gcc/testsuite/go.test/test/interface/struct.go156
1 files changed, 156 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/go.test/test/interface/struct.go b/gcc-4.9/gcc/testsuite/go.test/test/interface/struct.go
new file mode 100644
index 000000000..f60819ca8
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/go.test/test/interface/struct.go
@@ -0,0 +1,156 @@
+// run
+
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Test interface values containing structures.
+
+package main
+
+import "os"
+
+var fail int
+
+func check(b bool, msg string) {
+ if (!b) {
+ println("failure in", msg)
+ fail++
+ }
+}
+
+type I1 interface { Get() int; Put(int) }
+
+type S1 struct { i int }
+func (p S1) Get() int { return p.i }
+func (p S1) Put(i int) { p.i = i }
+
+func f1() {
+ s := S1{1}
+ var i I1 = s
+ i.Put(2)
+ check(i.Get() == 1, "f1 i")
+ check(s.i == 1, "f1 s")
+}
+
+func f2() {
+ s := S1{1}
+ var i I1 = &s
+ i.Put(2)
+ check(i.Get() == 1, "f2 i")
+ check(s.i == 1, "f2 s")
+}
+
+func f3() {
+ s := &S1{1}
+ var i I1 = s
+ i.Put(2)
+ check(i.Get() == 1, "f3 i")
+ check(s.i == 1, "f3 s")
+}
+
+type S2 struct { i int }
+func (p *S2) Get() int { return p.i }
+func (p *S2) Put(i int) { p.i = i }
+
+// Disallowed by restriction of values going to pointer receivers
+// func f4() {
+// s := S2{1}
+// var i I1 = s
+// i.Put(2)
+// check(i.Get() == 2, "f4 i")
+// check(s.i == 1, "f4 s")
+// }
+
+func f5() {
+ s := S2{1}
+ var i I1 = &s
+ i.Put(2)
+ check(i.Get() == 2, "f5 i")
+ check(s.i == 2, "f5 s")
+}
+
+func f6() {
+ s := &S2{1}
+ var i I1 = s
+ i.Put(2)
+ check(i.Get() == 2, "f6 i")
+ check(s.i == 2, "f6 s")
+}
+
+type I2 interface { Get() int64; Put(int64) }
+
+type S3 struct { i, j, k, l int64 }
+func (p S3) Get() int64 { return p.l }
+func (p S3) Put(i int64) { p.l = i }
+
+func f7() {
+ s := S3{1, 2, 3, 4}
+ var i I2 = s
+ i.Put(5)
+ check(i.Get() == 4, "f7 i")
+ check(s.l == 4, "f7 s")
+}
+
+func f8() {
+ s := S3{1, 2, 3, 4}
+ var i I2 = &s
+ i.Put(5)
+ check(i.Get() == 4, "f8 i")
+ check(s.l == 4, "f8 s")
+}
+
+func f9() {
+ s := &S3{1, 2, 3, 4}
+ var i I2 = s
+ i.Put(5)
+ check(i.Get() == 4, "f9 i")
+ check(s.l == 4, "f9 s")
+}
+
+type S4 struct { i, j, k, l int64 }
+func (p *S4) Get() int64 { return p.l }
+func (p *S4) Put(i int64) { p.l = i }
+
+// Disallowed by restriction of values going to pointer receivers
+// func f10() {
+// s := S4{1, 2, 3, 4}
+// var i I2 = s
+// i.Put(5)
+// check(i.Get() == 5, "f10 i")
+// check(s.l == 4, "f10 s")
+// }
+
+func f11() {
+ s := S4{1, 2, 3, 4}
+ var i I2 = &s
+ i.Put(5)
+ check(i.Get() == 5, "f11 i")
+ check(s.l == 5, "f11 s")
+}
+
+func f12() {
+ s := &S4{1, 2, 3, 4}
+ var i I2 = s
+ i.Put(5)
+ check(i.Get() == 5, "f12 i")
+ check(s.l == 5, "f12 s")
+}
+
+func main() {
+ f1()
+ f2()
+ f3()
+// f4()
+ f5()
+ f6()
+ f7()
+ f8()
+ f9()
+// f10()
+ f11()
+ f12()
+ if fail > 0 {
+ os.Exit(1)
+ }
+}