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Add function for creating hex string literals

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This commit is contained in:
Justine Tunney 2021-08-07 07:05:19 -07:00
parent aeeb851422
commit 1f766a332f
14 changed files with 250 additions and 112 deletions
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53
test/libc/stdio/vappendf_test.c
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@ -16,6 +16,7 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/bits.h"
#include "libc/stdio/append.internal.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
@ -87,8 +88,7 @@ TEST(appendw, test) {
EXPECT_EQ(0, b[0]);
EXPECT_EQ('h', b[1]);
EXPECT_EQ(0, b[2]);
ASSERT_NE(-1, appendw(&b, 'e' | 'l' << 8 | 'l' << 16 | 'o' << 24 |
(uint64_t)'!' << 32));
ASSERT_NE(-1, appendw(&b, READ64LE("ello!\0\0")));
EXPECT_EQ(7, appendz(b).i);
EXPECT_EQ(0, b[0]);
EXPECT_EQ('h', b[1]);
@ -101,7 +101,7 @@ TEST(appendw, test) {
free(b);
}
TEST(appendr, test) {
TEST(appendr, testShrink_nulTerminates) {
char *b = 0;
ASSERT_NE(-1, appends(&b, "hello"));
EXPECT_EQ(5, appendz(b).i);
@ -121,15 +121,54 @@ TEST(appendr, test) {
free(b);
}
TEST(appendr, testExtend_zeroFills) {
char *b = 0;
ASSERT_NE(-1, appends(&b, "hello"));
EXPECT_EQ(5, appendz(b).i);
ASSERT_NE(-1, appendr(&b, 20));
EXPECT_EQ(20, appendz(b).i);
ASSERT_BINEQ(u"hello                ", b);
ASSERT_NE(-1, appendr(&b, 20));
EXPECT_EQ(20, appendz(b).i);
ASSERT_BINEQ(u"hello                ", b);
free(b);
}
TEST(appendr, testAbsent_allocatesNul) {
char *b = 0;
ASSERT_NE(-1, appendr(&b, 0));
EXPECT_EQ(0, appendz(b).i);
ASSERT_BINEQ(u" ", b);
free(b);
}
TEST(appendd, testMemFail_doesntInitializePointer) {
char *b = 0;
ASSERT_EQ(-1, appendd(&b, 0, -1ull >> 8));
EXPECT_EQ(0, b);
}
TEST(appendd, testMemFail_doesntFreeExistingAllocation) {
char *b = 0;
ASSERT_NE(-1, appends(&b, "hello"));
EXPECT_STREQ("hello", b);
ASSERT_EQ(-1, appendd(&b, 0, -1ull >> 8));
EXPECT_STREQ("hello", b);
free(b);
}
BENCH(vappendf, bench) {
const char t[] = {0};
char *b = 0;
EZBENCH2("appendf", donothing, appendf(&b, "1"));
EZBENCH2("appendf", donothing, appendf(&b, "hello"));
free(b), b = 0;
EZBENCH2("appends", donothing, appends(&b, "1"));
EZBENCH2("appends", donothing, appends(&b, "hello"));
free(b), b = 0;
EZBENCH2("appendw", donothing, appendw(&b, 'B'));
EZBENCH2("appendw", donothing,
appendw(&b, 'h' | 'e' << 8 | 'l' << 16 | 'l' << 24 |
(uint64_t)'o' << 32));
free(b), b = 0;
EZBENCH2("appendd", donothing, appendd(&b, t, 1));
EZBENCH2("appendd", donothing, appendd(&b, "hello", 5));
EZBENCH2("appendr", donothing, appendr(&b, 0));
free(b), b = 0;
}