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package io_test
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import (
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"testing"
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"v2ray.com/core/common/alloc"
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. "v2ray.com/core/common/io"
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"v2ray.com/core/testing/assert"
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)
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func TestBufferedWriter(t *testing.T) {
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assert := assert.On(t)
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content := alloc.NewLargeBuffer().Clear()
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writer := NewBufferedWriter(content)
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assert.Bool(writer.Cached()).IsTrue()
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payload := make([]byte, 16)
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nBytes, err := writer.Write(payload)
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assert.Int(nBytes).Equals(16)
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assert.Error(err).IsNil()
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assert.Bool(content.IsEmpty()).IsTrue()
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writer.SetCached(false)
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assert.Int(content.Len()).Equals(16)
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}
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