82 lines
2.0 KiB
Go
82 lines
2.0 KiB
Go
// 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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// 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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package types
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import (
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"strconv"
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"testing"
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"github.com/pingcap/errors"
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"github.com/stretchr/testify/require"
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)
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func TestStrToInt(t *testing.T) {
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tests := []struct {
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input string
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output string
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err error
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}{
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{"9223372036854775806", "9223372036854775806", nil},
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{"9223372036854775807", "9223372036854775807", nil},
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{"9223372036854775808", "9223372036854775807", ErrBadNumber},
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{"-9223372036854775807", "-9223372036854775807", nil},
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{"-9223372036854775808", "-9223372036854775808", nil},
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{"-9223372036854775809", "-9223372036854775808", ErrBadNumber},
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}
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for _, tt := range tests {
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output, err := strToInt(tt.input)
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require.Equal(t, tt.err, errors.Cause(err))
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require.Equal(t, tt.output, strconv.FormatInt(output, 10))
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}
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}
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func TestTruncate(t *testing.T) {
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tests := []struct {
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f float64
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dec int
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expected float64
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}{
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{123.45, 0, 123},
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{123.45, 1, 123.4},
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{123.45, 2, 123.45},
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{123.45, 3, 123.450},
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}
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for _, tt := range tests {
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res := Truncate(tt.f, tt.dec)
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require.Equal(t, tt.expected, res)
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}
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}
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func TestTruncateFloatToString(t *testing.T) {
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tests := []struct {
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f float64
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dec int
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expected string
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}{
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{12.13, -1, "10"},
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{13.15, 0, "13"},
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{0, 2, "0"},
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{0.001, 2, "0"},
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{0.539, 2, "0.53"},
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{0.9951, 2, "0.99"},
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{1, 2, "1"},
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{-0.456, 2, "-0.45"},
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}
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for _, tt := range tests {
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res := TruncateFloatToString(tt.f, tt.dec)
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require.Equal(t, tt.expected, res)
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}
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}
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