mirror of
https://github.com/golang/go
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47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
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// Copyright 2009 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 "strconv"
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type Test struct {
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in string;
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out string;
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}
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var tests = []Test {
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Test{ "1", "1" },
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Test{ "1e23", "1e+23" },
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Test{ "100000000000000000000000", "1e+23" },
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Test{ "1e-100", "1e-100" },
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Test{ "123456700", "1.234567e+08" },
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Test{ "99999999999999974834176", "9.999999999999997e+22" },
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Test{ "100000000000000000000001", "1.0000000000000001e+23" },
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Test{ "100000000000000008388608", "1.0000000000000001e+23" },
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Test{ "100000000000000016777215", "1.0000000000000001e+23" },
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Test{ "100000000000000016777216", "1.0000000000000003e+23" },
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Test{ "-1", "-1" },
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Test{ "-0", "0" },
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}
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func main() {
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bad := 0;
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for i := 0; i < len(tests); i++ {
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t := &tests[i];
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f, overflow, ok := strconv.atof64(t.in);
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if !ok {
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panicln("test", t.in);
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}
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s := strconv.ftoa64(f, 'g', -1);
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if s != t.out {
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println("test", t.in, "want", t.out, "got", s);
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bad++;
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}
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}
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if bad != 0 {
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panic("failed");
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}
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}
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