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// Copyright (c) 2017 Couchbase, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the
// License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an "AS
// IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
// express or implied. See the License for the specific language
// governing permissions and limitations under the License.
package ghistogram
import (
"strings"
"testing"
)
func TestUnsyncedAdd(t *testing.T) {
hists := make(Histograms)
hists["hist1"] = NewNamedHistogram("hist1", 10, 4, 4)
hists["hist2"] = NewNamedHistogram("hist2", 10, 4, 4)
F1 := func(hist HistogramMutator) {
for i := 0; i < 10000; i++ {
hist.Add(uint64(i%100), 1)
}
}
F2 := func(hist HistogramMutator) {
for i := 0; i < 10000; i++ {
hist.Add(uint64(i%1000), 1)
}
}
hists["hist1"].CallSyncEx(F1)
hists["hist2"].CallSyncEx(F2)
hist1 := `hist1 (10000 Total)
[0 - 4] 4.00% 4.00% ## (400)
[4 - 16] 12.00% 16.00% ####### (1200)
[16 - 64] 48.00% 64.00% ############################## (4800)
[64 - 256] 36.00% 100.00% ###################### (3600)
`
hist2 := `hist2 (10000 Total)
[0 - 4] 0.40% 0.40% (40)
[4 - 16] 1.20% 1.60% (120)
[16 - 64] 4.80% 6.40% # (480)
[64 - 256] 19.20% 25.60% ####### (1920)
[256 - 1024] 74.40% 100.00% ############################## (7440)
`
if !strings.Contains(hists.String(), hist1) ||
!strings.Contains(hists.String(), hist2) {
t.Errorf("Unexpected content in histograms!")
}
}
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