diff options
Diffstat (limited to 'libgo/go/syscall/syscall_test.go')
| -rw-r--r-- | libgo/go/syscall/syscall_test.go | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/libgo/go/syscall/syscall_test.go b/libgo/go/syscall/syscall_test.go index 2a39b54f1b2..846c4873d28 100644 --- a/libgo/go/syscall/syscall_test.go +++ b/libgo/go/syscall/syscall_test.go @@ -5,6 +5,7 @@ package syscall_test import ( + "fmt" "syscall" "testing" ) @@ -28,3 +29,19 @@ func TestEnv(t *testing.T) { // make sure TESTENV gets set to "", not deleted testSetGetenv(t, "TESTENV", "") } + +func TestItoa(t *testing.T) { + // Make most negative integer: 0x8000... + i := 1 + for i<<1 != 0 { + i <<= 1 + } + if i >= 0 { + t.Fatal("bad math") + } + s := syscall.Itoa(i) + f := fmt.Sprint(i) + if s != f { + t.Fatalf("itoa(%d) = %s, want %s", i, s, f) + } +} |