22 lines
421 B
Go
22 lines
421 B
Go
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package main
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import (
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"testing"
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"math"
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)
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func TestReverse(t *testing.T) {
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if res := reverse(123); res != 321 {
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t.Fatalf("%v != 321", res)
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}
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if res := reverse(-123); res != -321 {
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t.Fatalf("%v != -321", res)
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}
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if res := reverse(120); res != 21 {
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t.Fatalf("%v != 12", res)
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}
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if res := reverse(math.MaxInt32); res != 0 {
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t.Fatalf("%v != 0", res)
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}
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}
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