34 lines
725 B
Go
34 lines
725 B
Go
package function_test
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import (
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"fmt"
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"strconv"
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"strings"
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"testing"
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"source.toby3d.me/toby3d/hacks/function"
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)
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func TestMust(t *testing.T) {
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t.Parallel()
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testFunc := func(input string) (result [2]float64, err error) {
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coords := strings.Split(input, ",")
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if len(coords) < 2 {
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return result, fmt.Errorf("got '%s', want input in format '9.999,9.999'", input)
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}
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for i := 0; i < 2; i++ {
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if result[i], err = strconv.ParseFloat(coords[i], 64); err != nil {
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return result, fmt.Errorf("cannot parse coordinate '%s': %w", coords[i], err)
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}
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}
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return result, nil
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}
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if actual := function.Must(testFunc("1.23,9.87")); len(actual) != 2 {
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t.Errorf("want 2 lenght float array, got %v", actual)
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}
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}
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