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44 lines
901 B
44 lines
901 B
package io_test
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import (
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"testing"
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"github.com/v2ray/v2ray-core/common/alloc"
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. "github.com/v2ray/v2ray-core/common/io"
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"github.com/v2ray/v2ray-core/testing/assert"
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)
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func TestBufferedReader(t *testing.T) {
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assert := assert.On(t)
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content := alloc.NewLargeBuffer()
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len := content.Len()
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reader := NewBufferedReader(content)
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assert.Bool(reader.Cached()).IsTrue()
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payload := make([]byte, 16)
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nBytes, err := reader.Read(payload)
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assert.Int(nBytes).Equals(16)
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assert.Error(err).IsNil()
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len2 := content.Len()
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assert.Int(len - len2).GreaterThan(16)
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nBytes, err = reader.Read(payload)
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assert.Int(nBytes).Equals(16)
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assert.Error(err).IsNil()
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assert.Int(content.Len()).Equals(len2)
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reader.SetCached(false)
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payload2 := alloc.NewBuffer()
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reader.Read(payload2.Value)
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assert.Int(content.Len()).Equals(len2)
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reader.Read(payload2.Value)
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assert.Int(content.Len()).LessThan(len2)
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}
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