mirror of https://github.com/minio/minio.git
113 lines
2.8 KiB
Go
113 lines
2.8 KiB
Go
/*
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* Minio Cloud Storage, (C) 2016 Minio, 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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*/
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package main
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import "testing"
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// Tests various variants in supporting all the byte conversions.
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func TestByteConv(t *testing.T) {
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// List of all tests for testing notation to corresponding
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// byte conversions.
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tests := []struct {
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in string
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exp uint64
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}{
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// Using IEC notation.
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{"42", 42},
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{"42MB", 42000000},
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{"42MiB", 44040192},
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{"42mb", 42000000},
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{"42mib", 44040192},
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{"42MIB", 44040192},
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{"42 MB", 42000000},
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{"42 MiB", 44040192},
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{"42 mb", 42000000},
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{"42 mib", 44040192},
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{"42 MIB", 44040192},
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{"42.5MB", 42500000},
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{"42.5MiB", 44564480},
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{"42.5 MB", 42500000},
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{"42.5 MiB", 44564480},
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// Using SI notation.
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{"42M", 42000000},
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{"42Mi", 44040192},
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{"42m", 42000000},
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{"42mi", 44040192},
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{"42MI", 44040192},
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{"42 M", 42000000},
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{"42 Mi", 44040192},
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{"42 m", 42000000},
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{"42 mi", 44040192},
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{"42 MI", 44040192},
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// With decimal values.
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{"42.5M", 42500000},
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{"42.5Mi", 44564480},
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{"42.5 M", 42500000},
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{"42.5 Mi", 44564480},
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// With no more digits after '.'
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{"42.M", 42000000},
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{"42.Mi", 44040192},
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{"42. m", 42000000},
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{"42. mi", 44040192},
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{"42. M", 42000000},
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{"42. Mi", 44040192},
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// Large testing, breaks when too much larger than this.
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{"12.5 EB", uint64(12.5 * float64(EByte))},
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{"12.5 E", uint64(12.5 * float64(EByte))},
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{"12.5 EiB", uint64(12.5 * float64(EiByte))},
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}
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// Tests all notation variants.
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for _, p := range tests {
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got, err := strconvBytes(p.in)
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if err != nil {
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t.Errorf("Couldn't parse %v: %v", p.in, err)
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}
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if got != p.exp {
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t.Errorf("Expected %v for %v, got %v", p.exp, p.in, got)
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}
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}
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}
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// Validates different types of input errors.
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func TestByteErrors(t *testing.T) {
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// Input with integer and double space between notations.
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got, err := strconvBytes("84 JB")
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if err == nil {
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t.Errorf("Expected error, got %v", got)
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}
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// Empty string.
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got, err = strconvBytes("")
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if err == nil {
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t.Errorf("Expected error parsing nothing")
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}
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// Too large.
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got, err = strconvBytes("16 EiB")
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if err == nil {
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t.Errorf("Expected error, got %v", got)
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}
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}
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// Add benchmarks here.
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// Benchmarks for bytes converter.
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func BenchmarkParseBytes(b *testing.B) {
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for i := 0; i < b.N; i++ {
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strconvBytes("16.5 GB")
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}
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}
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