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misc/cgo/test: test C.enum_*

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Allocate a C enum object, and test if it can be assigned a value
successfully.

For #39537

Change-Id: I7b5482112486440b9d99f2ee4051328d87f45dca
GitHub-Last-Rev: 81890f40ac
GitHub-Pull-Request: golang/go#39977
Reviewed-on: https://go-review.googlesource.com/c/go/+/240697
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
This commit is contained in:
HowJMay 2020-10-27 17:03:48 +00:00 committed by Emmanuel Odeke
parent 8fdc79e18a
commit 3f6b1a0d5e
2 changed files with 28 additions and 0 deletions
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2
misc/cgo/test/cgo_test.go
View File

@ -76,6 +76,8 @@ func TestCheckConst(t *testing.T) { testCheckConst(t) }
func TestConst(t *testing.T) { testConst(t) }
func TestCthread(t *testing.T) { testCthread(t) }
func TestEnum(t *testing.T) { testEnum(t) }
func TestNamedEnum(t *testing.T) { testNamedEnum(t) }
func TestCastToEnum(t *testing.T) { testCastToEnum(t) }
func TestErrno(t *testing.T) { testErrno(t) }
func TestFpVar(t *testing.T) { testFpVar(t) }
func TestHelpers(t *testing.T) { testHelpers(t) }

26
misc/cgo/test/test.go
View File

@ -1000,6 +1000,32 @@ func testEnum(t *testing.T) {
}
}
func testNamedEnum(t *testing.T) {
e := new(C.enum_E)
*e = C.Enum1
if *e != 1 {
t.Error("bad enum", C.Enum1)
}
*e = C.Enum2
if *e != 2 {
t.Error("bad enum", C.Enum2)
}
}
func testCastToEnum(t *testing.T) {
e := C.enum_E(C.Enum1)
if e != 1 {
t.Error("bad enum", C.Enum1)
}
e = C.enum_E(C.Enum2)
if e != 2 {
t.Error("bad enum", C.Enum2)
}
}
func testAtol(t *testing.T) {
l := Atol("123")
if l != 123 {