mirror of https://github.com/perkeep/perkeep.git
60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
/*
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Copyright 2014 The Perkeep AUTHORS
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package blobpacked
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import (
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"fmt"
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"testing"
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)
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func TestCapOffsetLength(t *testing.T) {
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tests := []struct {
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size uint32
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offset, length int64
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wantLen int64
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wantErr bool
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}{
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// Okay cases:
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{5, 0, 5, 5, false},
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{5, 1, 4, 4, false},
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// Length is capped:
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{5, 1, 9999, 4, false},
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// negative offset/length
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{5, -1, 5, 0, true},
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{5, 0, -1, 0, true},
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// offset too long:
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{5, 6, 1, 0, true},
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}
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for _, tt := range tests {
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gotLen, err := capOffsetLength(tt.size, tt.offset, tt.length)
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gotErr := err != nil
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if gotErr != tt.wantErr || gotLen != tt.wantLen {
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var want string
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if tt.wantErr {
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want = fmt.Sprintf("some error")
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} else {
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want = fmt.Sprintf("length %d, no error", tt.wantLen)
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}
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t.Errorf("capOffsetLength(%d, %d, %d) = (len %v, err %v); want %v", tt.size, tt.offset, tt.length, gotLen, err, want)
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}
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}
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}
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