mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 19:43:32 +00:00
99 lines
4.2 KiB
C
99 lines
4.2 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 2022 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/fmt/fmt.h"
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#include "libc/fmt/itoa.h"
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#include "libc/str/str.h"
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#include "libc/testlib/ezbench.h"
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#include "libc/testlib/testlib.h"
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char buf[67];
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void SetUp(void) {
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memset(buf, 0x55, sizeof(buf));
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}
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TEST(FormatBinary64, test1) {
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EXPECT_EQ(1, FormatBinary64(buf, 0, 2) - buf);
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EXPECT_STREQ("0", buf);
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}
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TEST(FormatBinary64, test2) {
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EXPECT_EQ(1, FormatBinary64(buf, 0, 0) - buf);
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EXPECT_STREQ("0", buf);
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EXPECT_EQ(3, FormatBinary64(buf, 0, 1) - buf);
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EXPECT_STREQ("0b0", buf);
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}
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TEST(FormatBinary64, test3) {
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EXPECT_EQ(3, FormatBinary64(buf, 1, 2) - buf);
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EXPECT_STREQ("0b1", buf);
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}
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TEST(FormatBinary64, test4) {
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EXPECT_EQ(1, FormatBinary64(buf, 1, 0) - buf);
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EXPECT_STREQ("1", buf);
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}
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TEST(FormatBinary64, test5) {
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EXPECT_EQ(66, FormatBinary64(buf, 01777777777777777777777UL, 2) - buf);
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EXPECT_STREQ(
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"0b1111111111111111111111111111111111111111111111111111111111111111",
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buf);
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}
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TEST(FormatBinary64, test6) {
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EXPECT_EQ(64, FormatBinary64(buf, 01777777777777777777777UL, 0) - buf);
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EXPECT_STREQ(
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"1111111111111111111111111111111111111111111111111111111111111111", buf);
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}
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TEST(FormatBinary64, test7) {
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EXPECT_EQ(66, FormatBinary64(buf, 0xEBF2AA499B9028EAul, 2) - buf);
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EXPECT_STREQ(
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"0b1110101111110010101010100100100110011011100100000010100011101010",
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buf);
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}
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TEST(FormatBinary64, test8) {
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EXPECT_EQ(66, FormatBinary64(buf, 0x00F2AA499B9028EAul, 2) - buf);
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EXPECT_STREQ(
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"0b0000000011110010101010100100100110011011100100000010100011101010",
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buf);
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}
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TEST(FormatBinary64, testScalesToWordSizes) {
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EXPECT_EQ(8 + 2, FormatBinary64(buf, 13, 2) - buf);
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EXPECT_STREQ("0b00001101", buf);
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EXPECT_EQ(16 + 2, FormatBinary64(buf, 31337, 2) - buf);
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EXPECT_STREQ("0b0111101001101001", buf);
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EXPECT_EQ(32 + 2, FormatBinary64(buf, 65536, 2) - buf);
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EXPECT_STREQ("0b00000000000000010000000000000000", buf);
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}
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BENCH(FormatBinary64, bench) {
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EZBENCH2("FormatUint64 tiny", donothing, FormatUint64(buf, 1));
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EZBENCH2("FormatOctal64 tiny", donothing, FormatOctal64(buf, 1, true));
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EZBENCH2("FormatBinary64 tiny", donothing, FormatBinary64(buf, 1, 2));
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EZBENCH2("FormatUint64 big", donothing,
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FormatUint64(buf, 01777777777777777777777UL));
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EZBENCH2("FormatOctal64 big", donothing,
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FormatOctal64(buf, 01777777777777777777777UL, true));
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EZBENCH2("FormatBinary64 big", donothing,
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FormatBinary64(buf, 01777777777777777777777UL, 2));
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}
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