41 lines
1 KiB
Go
41 lines
1 KiB
Go
/*
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Copyright 2015 The Kubernetes 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 main
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import "testing"
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func TestDiff(t *testing.T) {
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tests := []struct {
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a []byte
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b []byte
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empty bool
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}{
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{[]byte(""), []byte(""), true},
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{[]byte("a"), []byte("a"), true},
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{[]byte("a"), []byte("b"), false},
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}
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for _, test := range tests {
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b, err := diff(test.a, test.b)
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if err != nil {
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t.Fatalf("unexpected error returned: %v", err)
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}
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if len(b) == 0 && !test.empty {
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t.Fatalf("expected empty but returned %s", b)
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}
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}
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}
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