07eb6311a8
this encoding scheme matches the one used by lucene it has been packaged separately so that others may more easily reuse it without using the rest of bleve
59 lines
1.5 KiB
Go
59 lines
1.5 KiB
Go
// Copyright (c) 2014 Couchbase, Inc.
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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// except in compliance with the License. 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 distributed under the
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// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions
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// and limitations under the License.
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package numeric_util
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import (
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"testing"
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)
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// test that the float/sortable int operations work both ways
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// and that the the corresponding integers sort the same as
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// the original floats would have
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func TestSortabledFloat64ToInt64(t *testing.T) {
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tests := []struct {
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input float64
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}{
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{
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input: -4640094584139352638,
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},
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{
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input: -167.42,
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},
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{
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input: -1.11,
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},
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{
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input: 0,
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},
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{
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input: 3.14,
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},
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{
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input: 167.42,
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},
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}
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var lastInt64 *int64
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for _, test := range tests {
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actual := Float64ToInt64(test.input)
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if lastInt64 != nil {
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// check that this float is greater than the last one
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if actual <= *lastInt64 {
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t.Errorf("expected greater than prev, this: %d, last %d", actual, *lastInt64)
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}
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}
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lastInt64 = &actual
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convertedBack := Int64ToFloat64(actual)
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// assert that we got back what we started with
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if convertedBack != test.input {
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t.Errorf("expected %d, got %d", test.input, convertedBack)
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}
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}
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}
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