package opt_test import ( "testing" "github.com/reiver/go-opt" ) func TestOptional_MarshalJSON_int(t *testing.T) { tests := []struct{ Value opt.Optional[int] Expected string }{ { Value: opt.Something(-65536), Expected: `-65536`, }, { Value: opt.Something(-65535), Expected: `-65535`, }, { Value: opt.Something(-256), Expected: `-256`, }, { Value: opt.Something(-255), Expected: `-255`, }, { Value: opt.Something(-5), Expected: `-5`, }, { Value: opt.Something(-4), Expected: `-4`, }, { Value: opt.Something(-3), Expected: `-3`, }, { Value: opt.Something(-2), Expected: `-2`, }, { Value: opt.Something(-1), Expected: `-1`, }, { Value: opt.Something(0), Expected: `0`, }, { Value: opt.Something(1), Expected: `1`, }, { Value: opt.Something(2), Expected: `2`, }, { Value: opt.Something(3), Expected: `3`, }, { Value: opt.Something(4), Expected: `4`, }, { Value: opt.Something(5), Expected: `5`, }, { Value: opt.Something(255), Expected: `255`, }, { Value: opt.Something(256), Expected: `256`, }, { Value: opt.Something(65535), Expected: `65535`, }, { Value: opt.Something(65536), Expected: `65536`, }, } for testNumber, test := range tests { actualBytes, err := test.Value.MarshalJSON() if nil != err { t.Errorf("For test #%d, did not expect an error but actually got one." , testNumber) t.Logf("ERROR: (%T) %s", err, err) t.Logf("VALUE: %#v", test.Value) continue } actual := string(actualBytes) expected := test.Expected if expected != actual { t.Errorf("For test #%d, the actual value for the JSON marshaling is not what was expected.", testNumber) t.Logf("EXPECTED: %q", expected) t.Logf("ACTUAL: %q", actual) t.Logf("VALUE: %#v", test.Value) continue } } } func TestOptional_MarshalJSON_int_fail(t *testing.T) { var nothing opt.Optional[int] actualBytes, err := nothing.MarshalJSON() if nil == err { t.Error("Expected an error but did not actually get one.") t.Logf("ACTUAL: %q", actualBytes) t.Logf("ERROR: (%T) %s", err, err) return } if nil != actualBytes { t.Error("Expected not bytes but actually get some.") t.Logf("ACTUAL: %q", actualBytes) t.Logf("ERROR: (%T) %s", err, err) return } }