52 lines
2.7 KiB
C
52 lines
2.7 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/bits/bits.h"
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#include "libc/fmt/conv.h"
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#include "libc/testlib/testlib.h"
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TEST(strtoimax, testZero) {
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EXPECT_EQ(0, strtoimax("0", NULL, 0));
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}
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TEST(strtoimax, testDecimal) {
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EXPECT_EQ(-123, strtoimax("-123", NULL, 0));
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}
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TEST(strtoimax, testHex) {
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EXPECT_EQ(-255, strtoimax("-0xff", NULL, 0));
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}
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TEST(strtoimax, testOctal) {
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EXPECT_EQ(-123, strtoimax("-0173", NULL, 0));
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}
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TEST(strtoimax, testLimits) {
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EXPECT_EQ(
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((uintmax_t)0xffffffffffffffff) << 64 | (uintmax_t)0xffffffffffffffff,
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strtoimax("-1", NULL, 0));
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EXPECT_EQ(
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((uintmax_t)0x7fffffffffffffff) << 64 | (uintmax_t)0xffffffffffffffff,
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strtoimax("0x7fffffffffffffffffffffffffffffff", NULL, 0));
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}
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TEST(strtoimax, testTwosBane) {
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EXPECT_EQ(((uintmax_t)0x8000000000000000) << 64 | 0x0000000000000000,
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strtoimax("0x80000000000000000000000000000000", NULL, 0));
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}
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