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io: expand panic tests to reach 100% coverage

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This commit is contained in:
Roman Khimov 2019-09-17 13:20:38 +03:00
parent 96618015cd
commit 5bca4d2313
1 changed files with 19 additions and 2 deletions
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21
pkg/io/size_test.go
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@ -19,6 +19,15 @@ func (ss *smthSerializable) EncodeBinary(bw *BinWriter) {
bw.WriteLE(ss.some)
}
// Mock structure that gives error in EncodeBinary().
type smthNotReallySerializable struct{}
func (*smthNotReallySerializable) DecodeBinary(*BinReader) {}
func (*smthNotReallySerializable) EncodeBinary(bw *BinWriter) {
bw.Err = fmt.Errorf("smth bad happened in smthNotReallySerializable")
}
func TestVarSize(t *testing.T) {
testCases := []struct {
variable interface{}
@ -179,11 +188,19 @@ func TestVarSize(t *testing.T) {
}
}
func TestVarSizePanic(t *testing.T) {
func panicVarSize(t *testing.T, v interface{}) {
defer func() {
r := recover()
assert.NotNil(t, r)
}()
_ = GetVarSize(t)
_ = GetVarSize(v)
// this should never execute
assert.Nil(t, t)
}
func TestVarSizePanic(t *testing.T) {
panicVarSize(t, t)
panicVarSize(t, struct{}{})
panicVarSize(t, &smthNotReallySerializable{})
}