70 lines
1.2 KiB
Go
70 lines
1.2 KiB
Go
package opt_test
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import (
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"github.com/reiver/go-opt"
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"testing"
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)
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func TestMap_stringToUint(t *testing.T) {
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tests := []struct{
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Optional opt.Optional[string]
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Expected opt.Optional[int]
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}{
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{
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Optional: opt.Nothing[string](),
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Expected: opt.Nothing[int](),
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},
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{
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Optional: opt.Something(""),
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Expected: opt.Something[int](0),
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},
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{
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Optional: opt.Something("once"),
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Expected: opt.Something[int](4),
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},
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{
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Optional: opt.Something("twice"),
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Expected: opt.Something[int](5),
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},
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{
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Optional: opt.Something("thrice"),
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Expected: opt.Something[int](6),
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},
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{
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Optional: opt.Something("fource"),
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Expected: opt.Something[int](6),
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},
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}
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for testNumber, test := range tests {
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fn := func(s string) int {
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return len(s)
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}
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mapped := opt.Map(test.Optional, fn)
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{
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expected := test.Expected
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actual := mapped
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if expected != actual {
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t.Errorf("For test #%d, the actual value is not what was expected.", testNumber)
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t.Logf("EXPECTED: (%T) %#v", expected, expected)
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t.Logf("ACTUAL: (%T) %#v", actual, actual)
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t.Logf("OPTIONAL: (%T), %#v", test.Optional, test.Optional)
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/////////////////////// CONTINUE
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continue
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}
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}
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}
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}
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