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Diffstat (limited to 'src/pkg/strconv/atof_test.go')
-rw-r--r--src/pkg/strconv/atof_test.go188
1 files changed, 0 insertions, 188 deletions
diff --git a/src/pkg/strconv/atof_test.go b/src/pkg/strconv/atof_test.go
deleted file mode 100644
index 6d8396ee7..000000000
--- a/src/pkg/strconv/atof_test.go
+++ /dev/null
@@ -1,188 +0,0 @@
-// Copyright 2009 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package strconv_test
-
-import (
- "os"
- "reflect"
- . "strconv"
- "testing"
-)
-
-type atofTest struct {
- in string
- out string
- err os.Error
-}
-
-var atoftests = []atofTest{
- {"", "0", os.EINVAL},
- {"1", "1", nil},
- {"+1", "1", nil},
- {"1x", "0", os.EINVAL},
- {"1.1.", "0", os.EINVAL},
- {"1e23", "1e+23", nil},
- {"1E23", "1e+23", nil},
- {"100000000000000000000000", "1e+23", nil},
- {"1e-100", "1e-100", nil},
- {"123456700", "1.234567e+08", nil},
- {"99999999999999974834176", "9.999999999999997e+22", nil},
- {"100000000000000000000001", "1.0000000000000001e+23", nil},
- {"100000000000000008388608", "1.0000000000000001e+23", nil},
- {"100000000000000016777215", "1.0000000000000001e+23", nil},
- {"100000000000000016777216", "1.0000000000000003e+23", nil},
- {"-1", "-1", nil},
- {"-0", "-0", nil},
- {"1e-20", "1e-20", nil},
- {"625e-3", "0.625", nil},
-
- // NaNs
- {"nan", "NaN", nil},
- {"NaN", "NaN", nil},
- {"NAN", "NaN", nil},
-
- // Infs
- {"inf", "+Inf", nil},
- {"-Inf", "-Inf", nil},
- {"+INF", "+Inf", nil},
-
- // largest float64
- {"1.7976931348623157e308", "1.7976931348623157e+308", nil},
- {"-1.7976931348623157e308", "-1.7976931348623157e+308", nil},
- // next float64 - too large
- {"1.7976931348623159e308", "+Inf", os.ERANGE},
- {"-1.7976931348623159e308", "-Inf", os.ERANGE},
- // the border is ...158079
- // borderline - okay
- {"1.7976931348623158e308", "1.7976931348623157e+308", nil},
- {"-1.7976931348623158e308", "-1.7976931348623157e+308", nil},
- // borderline - too large
- {"1.797693134862315808e308", "+Inf", os.ERANGE},
- {"-1.797693134862315808e308", "-Inf", os.ERANGE},
-
- // a little too large
- {"1e308", "1e+308", nil},
- {"2e308", "+Inf", os.ERANGE},
- {"1e309", "+Inf", os.ERANGE},
-
- // way too large
- {"1e310", "+Inf", os.ERANGE},
- {"-1e310", "-Inf", os.ERANGE},
- {"1e400", "+Inf", os.ERANGE},
- {"-1e400", "-Inf", os.ERANGE},
- {"1e400000", "+Inf", os.ERANGE},
- {"-1e400000", "-Inf", os.ERANGE},
-
- // denormalized
- {"1e-305", "1e-305", nil},
- {"1e-306", "1e-306", nil},
- {"1e-307", "1e-307", nil},
- {"1e-308", "1e-308", nil},
- {"1e-309", "1e-309", nil},
- {"1e-310", "1e-310", nil},
- {"1e-322", "1e-322", nil},
- // smallest denormal
- {"5e-324", "5e-324", nil},
- {"4e-324", "5e-324", nil},
- {"3e-324", "5e-324", nil},
- // too small
- {"2e-324", "0", nil},
- // way too small
- {"1e-350", "0", nil},
- {"1e-400000", "0", nil},
-
- // try to overflow exponent
- {"1e-4294967296", "0", nil},
- {"1e+4294967296", "+Inf", os.ERANGE},
- {"1e-18446744073709551616", "0", nil},
- {"1e+18446744073709551616", "+Inf", os.ERANGE},
-
- // Parse errors
- {"1e", "0", os.EINVAL},
- {"1e-", "0", os.EINVAL},
- {".e-1", "0", os.EINVAL},
-
- // http://www.exploringbinary.com/java-hangs-when-converting-2-2250738585072012e-308/
- {"2.2250738585072012e-308", "2.2250738585072014e-308", nil},
- // http://www.exploringbinary.com/php-hangs-on-numeric-value-2-2250738585072011e-308/
- {"2.2250738585072011e-308", "2.225073858507201e-308", nil},
-}
-
-func init() {
- // The atof routines return NumErrors wrapping
- // the error and the string. Convert the table above.
- for i := range atoftests {
- test := &atoftests[i]
- if test.err != nil {
- test.err = &NumError{test.in, test.err}
- }
- }
-}
-
-func testAtof(t *testing.T, opt bool) {
- oldopt := SetOptimize(opt)
- for i := 0; i < len(atoftests); i++ {
- test := &atoftests[i]
- out, err := Atof64(test.in)
- outs := Ftoa64(out, 'g', -1)
- if outs != test.out || !reflect.DeepEqual(err, test.err) {
- t.Errorf("Atof64(%v) = %v, %v want %v, %v",
- test.in, out, err, test.out, test.err)
- }
-
- out, err = AtofN(test.in, 64)
- outs = FtoaN(out, 'g', -1, 64)
- if outs != test.out || !reflect.DeepEqual(err, test.err) {
- t.Errorf("AtofN(%v, 64) = %v, %v want %v, %v",
- test.in, out, err, test.out, test.err)
- }
-
- if float64(float32(out)) == out {
- out32, err := Atof32(test.in)
- outs := Ftoa32(out32, 'g', -1)
- if outs != test.out || !reflect.DeepEqual(err, test.err) {
- t.Errorf("Atof32(%v) = %v, %v want %v, %v # %v",
- test.in, out32, err, test.out, test.err, out)
- }
-
- out, err := AtofN(test.in, 32)
- out32 = float32(out)
- outs = FtoaN(float64(out32), 'g', -1, 32)
- if outs != test.out || !reflect.DeepEqual(err, test.err) {
- t.Errorf("AtofN(%v, 32) = %v, %v want %v, %v # %v",
- test.in, out32, err, test.out, test.err, out)
- }
- }
- }
- SetOptimize(oldopt)
-}
-
-func TestAtof(t *testing.T) { testAtof(t, true) }
-
-func TestAtofSlow(t *testing.T) { testAtof(t, false) }
-
-func BenchmarkAtof64Decimal(b *testing.B) {
- for i := 0; i < b.N; i++ {
- Atof64("33909")
- }
-}
-
-func BenchmarkAtof64Float(b *testing.B) {
- for i := 0; i < b.N; i++ {
- Atof64("339.7784")
- }
-}
-
-func BenchmarkAtof64FloatExp(b *testing.B) {
- for i := 0; i < b.N; i++ {
- Atof64("-5.09e75")
- }
-}
-
-func BenchmarkAtof64Big(b *testing.B) {
- for i := 0; i < b.N; i++ {
- Atof64("123456789123456789123456789")
- }
-}