Eric Rakestraw
cb316c228a
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73 lines
1.8 KiB
Go
73 lines
1.8 KiB
Go
package units
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import "testing"
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func TestUSConverterTemperatureCToOutput(t *testing.T) {
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c := USConverter{}
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if got := c.TemperatureCToOutput(nil); got != nil {
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t.Fatalf("expected nil for nil input")
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}
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zeroC := 0.0
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got := c.TemperatureCToOutput(&zeroC)
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if got == nil || *got != 32.0 {
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t.Fatalf("expected 32.0F, got %v", got)
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}
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v := 20.56 // 69.008F -> 69.0 at precision 1
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got = c.TemperatureCToOutput(&v)
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if got == nil || *got != 69.0 {
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t.Fatalf("expected 69.0F, got %v", got)
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}
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}
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func TestUSConverterSpeedKmhToOutput(t *testing.T) {
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c := USConverter{}
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if got := c.SpeedKmhToOutput(nil); got != nil {
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t.Fatalf("expected nil for nil input")
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}
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v := 10.0 // 6.21371 mph -> 6.2 at precision 1
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got := c.SpeedKmhToOutput(&v)
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if got == nil || *got != 6.2 {
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t.Fatalf("expected 6.2 mph, got %v", got)
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}
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exact := 16.09344 // exact 10 mph
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got = c.SpeedKmhToOutput(&exact)
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if got == nil || *got != 10.0 {
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t.Fatalf("expected 10.0 mph, got %v", got)
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}
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}
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func TestMetricConverterPassthrough(t *testing.T) {
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c := MetricConverter{}
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if got := c.TemperatureCToOutput(nil); got != nil {
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t.Fatalf("expected nil for nil temperature input")
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}
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if got := c.SpeedKmhToOutput(nil); got != nil {
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t.Fatalf("expected nil for nil speed input")
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}
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temp := 12.3456
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gotTemp := c.TemperatureCToOutput(&temp)
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if gotTemp == nil || *gotTemp != temp {
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t.Fatalf("expected temperature passthrough %v, got %v", temp, gotTemp)
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}
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if gotTemp == &temp {
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t.Fatalf("expected temperature output to be a clone pointer")
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}
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speed := 14.2
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gotSpeed := c.SpeedKmhToOutput(&speed)
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if gotSpeed == nil || *gotSpeed != speed {
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t.Fatalf("expected speed passthrough %v, got %v", speed, gotSpeed)
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}
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if gotSpeed == &speed {
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t.Fatalf("expected speed output to be a clone pointer")
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}
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}
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