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go-micro/debug/buffer/buffer_test.go

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package buffer
import (
"testing"
)
func TestBuffer(t *testing.T) {
b := New(10)
// test one value
b.Put("foo")
v := b.Get(1)
if val := v[0].(string); val != "foo" {
t.Fatalf("expected foo got %v", val)
}
b = New(10)
// test 10 values
for i := 0; i < 10; i++ {
b.Put(i)
}
v = b.Get(10)
for i := 0; i < 10; i++ {
val := v[i].(int)
if val != i {
t.Fatalf("expected %d got %d", i, val)
}
}
// test more values
for i := 0; i < 10; i++ {
v := i * 2
b.Put(v)
}
v = b.Get(10)
for i := 0; i < 10; i++ {
val := v[i].(int)
expect := i * 2
if val != expect {
t.Fatalf("expected %d got %d", expect, val)
}
}
}