50 lines
1.6 KiB
Go
50 lines
1.6 KiB
Go
// Copyright 2020 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package testbench
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import "testing"
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func TestLayerMatch(t *testing.T) {
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var nilPayload *Payload
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noPayload := &Payload{}
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emptyPayload := &Payload{Bytes: []byte{}}
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fullPayload := &Payload{Bytes: []byte{1, 2, 3}}
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emptyTCP := &TCP{SrcPort: Uint16(1234), LayerBase: LayerBase{nextLayer: emptyPayload}}
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fullTCP := &TCP{SrcPort: Uint16(1234), LayerBase: LayerBase{nextLayer: fullPayload}}
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for _, tt := range []struct {
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a, b Layer
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want bool
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}{
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{nilPayload, nilPayload, true},
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{nilPayload, noPayload, true},
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{nilPayload, emptyPayload, true},
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{nilPayload, fullPayload, true},
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{noPayload, noPayload, true},
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{noPayload, emptyPayload, true},
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{noPayload, fullPayload, true},
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{emptyPayload, emptyPayload, true},
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{emptyPayload, fullPayload, false},
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{fullPayload, fullPayload, true},
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{emptyTCP, fullTCP, true},
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} {
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if got := tt.a.match(tt.b); got != tt.want {
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t.Errorf("%s.match(%s) = %t, want %t", tt.a, tt.b, got, tt.want)
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}
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if got := tt.b.match(tt.a); got != tt.want {
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t.Errorf("%s.match(%s) = %t, want %t", tt.b, tt.a, got, tt.want)
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}
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}
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}
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