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// 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
import (
"fmt";
"os";
"strconv";
"testing";
)
type itob64Test struct {
in int64;
base uint;
out string;
}
var itob64tests = []itob64Test {
itob64Test{ 0, 10, "0" },
itob64Test{ 1, 10, "1" },
itob64Test{ -1, 10, "-1" },
itob64Test{ 12345678, 10, "12345678" },
itob64Test{ -987654321, 10, "-987654321" },
itob64Test{ 1<<31-1, 10, "2147483647" },
itob64Test{ -1<<31+1, 10, "-2147483647" },
itob64Test{ 1<<31, 10, "2147483648" },
itob64Test{ -1<<31, 10, "-2147483648" },
itob64Test{ 1<<31+1, 10, "2147483649" },
itob64Test{ -1<<31-1, 10, "-2147483649" },
itob64Test{ 1<<32-1, 10, "4294967295" },
itob64Test{ -1<<32+1, 10, "-4294967295" },
itob64Test{ 1<<32, 10, "4294967296" },
itob64Test{ -1<<32, 10, "-4294967296" },
itob64Test{ 1<<32+1, 10, "4294967297" },
itob64Test{ -1<<32-1, 10, "-4294967297" },
itob64Test{ 1<<50, 10, "1125899906842624" },
itob64Test{ 1<<63-1, 10, "9223372036854775807" },
itob64Test{ -1<<63+1, 10, "-9223372036854775807" },
itob64Test{ -1<<63, 10, "-9223372036854775808" },
itob64Test{ 0, 2, "0" },
itob64Test{ 10, 2, "1010" },
itob64Test{ -1, 2, "-1" },
itob64Test{ 1<<15, 2, "1000000000000000" },
itob64Test{ -8, 8, "-10" },
itob64Test{ 057635436545, 8, "57635436545" },
itob64Test{ 1<<24, 8, "100000000" },
itob64Test{ 16, 16, "10" },
itob64Test{ -0x123456789abcdef, 16, "-123456789abcdef" },
itob64Test{ 1<<63-1, 16, "7fffffffffffffff" },
itob64Test{ 16, 17, "g" },
itob64Test{ 25, 25, "10" },
itob64Test{ (((((17*35+24)*35+21)*35+34)*35+12)*35+24)*35+32, 35, "holycow" },
itob64Test{ (((((17*36+24)*36+21)*36+34)*36+12)*36+24)*36+32, 36, "holycow" },
}
func TestItoa(t *testing.T) {
for i := 0; i < len(itob64tests); i++ {
test := itob64tests[i];
s := strconv.Itob64(test.in, test.base);
if s != test.out {
t.Errorf("strconv.Itob64(%v, %v) = %v want %v\n",
test.in, test.base, s, test.out);
}
if int64(int(test.in)) == test.in {
s := strconv.Itob(int(test.in), test.base);
if s != test.out {
t.Errorf("strconv.Itob(%v, %v) = %v want %v\n",
test.in, test.base, s, test.out);
}
}
if test.base == 10 {
s := strconv.Itoa64(test.in);
if s != test.out {
t.Errorf("strconv.Itoa64(%v) = %v want %v\n",
test.in, s, test.out);
}
if int64(int(test.in)) == test.in {
s := strconv.Itoa(int(test.in));
if s != test.out {
t.Errorf("strconv.Itoa(%v) = %v want %v\n",
test.in, s, test.out);
}
}
}
}
}
// TODO: Use once there is a strconv.uitoa
type uitoa64Test struct {
in uint64;
out string;
}
// TODO: should be able to call this atoui64tests.
var uitoa64tests = []uitoa64Test {
uitoa64Test{ 1<<63-1, "9223372036854775807" },
uitoa64Test{ 1<<63, "9223372036854775808" },
uitoa64Test{ 1<<63+1, "9223372036854775809" },
uitoa64Test{ 1<<64-2, "18446744073709551614" },
uitoa64Test{ 1<<64-1, "18446744073709551615" },
}
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