mirror of https://github.com/golang/go.git
88 lines
1.7 KiB
Go
88 lines
1.7 KiB
Go
// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"reflect"
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"testing"
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"golang.org/x/tools/benchmark/parse"
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)
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func TestSelectBest(t *testing.T) {
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have := parse.Set{
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"Benchmark1": []*parse.Benchmark{
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{
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Name: "Benchmark1",
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N: 10, NsPerOp: 100, Measured: parse.NsPerOp,
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Ord: 0,
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},
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{
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Name: "Benchmark1",
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N: 10, NsPerOp: 50, Measured: parse.NsPerOp,
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Ord: 3,
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},
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},
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"Benchmark2": []*parse.Benchmark{
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{
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Name: "Benchmark2",
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N: 10, NsPerOp: 60, Measured: parse.NsPerOp,
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Ord: 1,
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},
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{
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Name: "Benchmark2",
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N: 10, NsPerOp: 500, Measured: parse.NsPerOp,
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Ord: 2,
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},
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},
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}
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want := parse.Set{
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"Benchmark1": []*parse.Benchmark{
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{
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Name: "Benchmark1",
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N: 10, NsPerOp: 50, Measured: parse.NsPerOp,
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Ord: 0,
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},
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},
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"Benchmark2": []*parse.Benchmark{
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{
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Name: "Benchmark2",
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N: 10, NsPerOp: 60, Measured: parse.NsPerOp,
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Ord: 1,
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},
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},
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}
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selectBest(have)
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if !reflect.DeepEqual(want, have) {
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t.Errorf("filtered bench set incorrectly, want %v have %v", want, have)
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}
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}
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func TestFormatNs(t *testing.T) {
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tests := []struct {
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input float64
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expected string
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}{
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{input: 0, expected: "0.00"},
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{input: 0.2, expected: "0.20"},
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{input: 2, expected: "2.00"},
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{input: 2.2, expected: "2.20"},
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{input: 4, expected: "4.00"},
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{input: 16, expected: "16.0"},
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{input: 16.08, expected: "16.1"},
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{input: 128, expected: "128"},
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{input: 256.2, expected: "256"},
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}
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for _, tt := range tests {
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actual := formatNs(tt.input)
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if actual != tt.expected {
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t.Fatalf("%f. got %q, want %q", tt.input, actual, tt.expected)
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}
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}
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}
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