github.com/axw/llgo@v0.0.0-20160805011314-95b5fe4dca20/third_party/gofrontend/libgo/go/strconv/strconv_test.go (about)

     1  // Copyright 2012 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package strconv_test
     6  
     7  /*
     8  
     9  gccgo does not pass this.
    10  
    11  import (
    12  	"runtime"
    13  	. "strconv"
    14  	"strings"
    15  	"testing"
    16  )
    17  
    18  var (
    19  	globalBuf [64]byte
    20  	nextToOne = "1.00000000000000011102230246251565404236316680908203125" + strings.Repeat("0", 10000) + "1"
    21  
    22  	mallocTest = []struct {
    23  		count int
    24  		desc  string
    25  		fn    func()
    26  	}{
    27  		{0, `AppendInt(localBuf[:0], 123, 10)`, func() {
    28  			var localBuf [64]byte
    29  			AppendInt(localBuf[:0], 123, 10)
    30  		}},
    31  		{0, `AppendInt(globalBuf[:0], 123, 10)`, func() { AppendInt(globalBuf[:0], 123, 10) }},
    32  		{0, `AppendFloat(localBuf[:0], 1.23, 'g', 5, 64)`, func() {
    33  			var localBuf [64]byte
    34  			AppendFloat(localBuf[:0], 1.23, 'g', 5, 64)
    35  		}},
    36  		{0, `AppendFloat(globalBuf[:0], 1.23, 'g', 5, 64)`, func() { AppendFloat(globalBuf[:0], 1.23, 'g', 5, 64) }},
    37  		{0, `ParseFloat("123.45", 64)`, func() { ParseFloat("123.45", 64) }},
    38  		{0, `ParseFloat("123.456789123456789", 64)`, func() { ParseFloat("123.456789123456789", 64) }},
    39  		{0, `ParseFloat("1.000000000000000111022302462515654042363166809082031251", 64)`, func() {
    40  			ParseFloat("1.000000000000000111022302462515654042363166809082031251", 64)
    41  		}},
    42  		{0, `ParseFloat("1.0000000000000001110223024625156540423631668090820312500...001", 64)`, func() {
    43  			ParseFloat(nextToOne, 64)
    44  		}},
    45  	}
    46  )
    47  
    48  func TestCountMallocs(t *testing.T) {
    49  	if testing.Short() {
    50  		t.Skip("skipping malloc count in short mode")
    51  	}
    52  	if runtime.GOMAXPROCS(0) > 1 {
    53  		t.Skip("skipping; GOMAXPROCS>1")
    54  	}
    55  	for _, mt := range mallocTest {
    56  		allocs := testing.AllocsPerRun(100, mt.fn)
    57  		if max := float64(mt.count); allocs > max {
    58  			t.Errorf("%s: %v allocs, want <=%v", mt.desc, allocs, max)
    59  		}
    60  	}
    61  }
    62  
    63  */