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42 lines
1.1 KiB
42 lines
1.1 KiB
// Copyright 2018 PingCAP, Inc.
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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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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"testing"
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)
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func TestIntToDecimalString(t *testing.T) {
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tests := []struct {
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intValue int64
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decimal int
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expect string
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}{
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{100, 3, "0.100"},
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{100, 1, "10.0"},
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{100, 0, "100"},
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{1, 3, "0.001"},
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{0, 1, "0.0"},
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{0, 5, "0.00000"},
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{12, 0, "12"},
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{999, 1, "99.9"},
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{1234, 1, "123.4"},
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{12345678, 2, "123456.78"},
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}
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for _, s := range tests {
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if u := intToDecimalString(s.intValue, s.decimal); u != s.expect {
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t.Errorf("test failed on (%d, %d): expected %s, but we got %s\n", s.intValue, s.decimal, s.expect, u)
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}
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}
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}
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