go-nul/nullable_marshaljson_int_te...

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package nul_test
import (
"testing"
"github.com/reiver/go-nul"
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)
func TestNullable_MarshalJSON_int(t *testing.T) {
tests := []struct{
Value nul.Nullable[int]
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Expected string
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}{
{
Value: nul.Null[int](),
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Expected: "null",
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},
{
Value: nul.Something(-65536),
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Expected: `-65536`,
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},
{
Value: nul.Something(-65535),
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Expected: `-65535`,
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},
{
Value: nul.Something(-256),
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Expected: `-256`,
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},
{
Value: nul.Something(-255),
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Expected: `-255`,
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},
{
Value: nul.Something(-5),
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Expected: `-5`,
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},
{
Value: nul.Something(-4),
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Expected: `-4`,
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},
{
Value: nul.Something(-3),
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Expected: `-3`,
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},
{
Value: nul.Something(-2),
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Expected: `-2`,
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},
{
Value: nul.Something(-1),
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Expected: `-1`,
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},
{
Value: nul.Something(0),
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Expected: `0`,
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},
{
Value: nul.Something(1),
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Expected: `1`,
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},
{
Value: nul.Something(2),
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Expected: `2`,
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},
{
Value: nul.Something(3),
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Expected: `3`,
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},
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{
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Value: nul.Something(4),
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Expected: `4`,
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},
{
Value: nul.Something(5),
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Expected: `5`,
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},
{
Value: nul.Something(255),
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Expected: `255`,
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},
{
Value: nul.Something(256),
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Expected: `256`,
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},
{
Value: nul.Something(65535),
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Expected: `65535`,
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},
{
Value: nul.Something(65536),
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Expected: `65536`,
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},
}
for testNumber, test := range tests {
actualBytes, err := test.Value.MarshalJSON()
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if nil != err {
t.Errorf("For test #%d, did not expect an error but actually got one." , testNumber)
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t.Logf("ERROR: (%T) %s", err, err)
t.Logf("VALUE: %#v", test.Value)
continue
}
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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
}
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}
}
func TestNullable_MarshalJSON_int_fail(t *testing.T) {
var nothing nul.Nullable[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
}
}