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author | Martin Jambor <mjambor@suse.cz> | 2017-07-31 14:43:24 +0200 |
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committer | Martin Jambor <mjambor@suse.cz> | 2017-07-31 14:43:24 +0200 |
commit | b32f12dece884f1fa0f04c643a77105aff6ce8bc (patch) | |
tree | cdab5f10806561fc198f907299b0e55eb5701ef0 /libgo/misc/cgo/test/fpvar.go | |
parent | 166bec868d991fdf71f9a66f994e5977fcab4aa2 (diff) | |
parent | a168a775e93ec31ae743ad282d8e60fa1c116891 (diff) | |
download | gcc-b32f12dece884f1fa0f04c643a77105aff6ce8bc.tar.gz |
Merge branch 'master' into gcngcn
Diffstat (limited to 'libgo/misc/cgo/test/fpvar.go')
-rw-r--r-- | libgo/misc/cgo/test/fpvar.go | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/libgo/misc/cgo/test/fpvar.go b/libgo/misc/cgo/test/fpvar.go new file mode 100644 index 00000000000..7aab8ca2fc2 --- /dev/null +++ b/libgo/misc/cgo/test/fpvar.go @@ -0,0 +1,50 @@ +// Copyright 2013 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. + +// This file contains test cases for cgo with function pointer variables. + +package cgotest + +/* +typedef int (*intFunc) (); + +int +bridge_int_func(intFunc f) +{ + return f(); +} + +int fortytwo() +{ + return 42; +} + +*/ +import "C" +import "testing" + +func callBridge(f C.intFunc) int { + return int(C.bridge_int_func(f)) +} + +func callCBridge(f C.intFunc) C.int { + return C.bridge_int_func(f) +} + +func testFpVar(t *testing.T) { + const expected = 42 + f := C.intFunc(C.fortytwo) + res1 := C.bridge_int_func(f) + if r1 := int(res1); r1 != expected { + t.Errorf("got %d, want %d", r1, expected) + } + res2 := callCBridge(f) + if r2 := int(res2); r2 != expected { + t.Errorf("got %d, want %d", r2, expected) + } + r3 := callBridge(f) + if r3 != expected { + t.Errorf("got %d, want %d", r3, expected) + } +} |