43 lines
917 B
Go
43 lines
917 B
Go
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package tins2020_test
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import (
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"math/rand"
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"testing"
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)
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type native struct{ a, b, c, d int }
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type similar struct{ a, b, c, d int }
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func (s similar) toNative() native { return native{s.a, s.b, s.c, s.d} }
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type wrapper struct{ native }
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func (w wrapper) toNative() native { return w.native }
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func nativeFunction(n native) int { return n.a + n.b + n.c + n.d }
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func BenchmarkNative(b *testing.B) {
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var sum int
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for i := 0; i < b.N; i++ {
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n := native{rand.Int(), rand.Int(), rand.Int(), rand.Int()}
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sum += nativeFunction(n)
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}
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}
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func BenchmarkSimilar(b *testing.B) {
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var sum int
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for i := 0; i < b.N; i++ {
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s := similar{rand.Int(), rand.Int(), rand.Int(), rand.Int()}
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sum += nativeFunction(s.toNative())
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}
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}
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func BenchmarkWrapper(b *testing.B) {
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var sum int
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for i := 0; i < b.N; i++ {
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w := wrapper{native{rand.Int(), rand.Int(), rand.Int(), rand.Int()}}
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sum += nativeFunction(w.toNative())
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}
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}
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