273 lines
7.7 KiB
C
273 lines
7.7 KiB
C
|
/* Copyright 2019 The Chromium OS Authors. All rights reserved.
|
||
|
|
* Use of this source code is governed by a BSD-style license that can be
|
||
|
|
* found in the LICENSE file.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdarg.h>
|
||
|
|
#include <stdbool.h>
|
||
|
|
#include <stddef.h>
|
||
|
|
|
||
|
|
#include "common.h"
|
||
|
|
#include "printf.h"
|
||
|
|
#include "test_util.h"
|
||
|
|
#include "util.h"
|
||
|
|
|
||
|
|
#define INIT_VALUE 0x5E
|
||
|
|
#define NO_BYTES_TOUCHED NULL
|
||
|
|
|
||
|
|
static const char err_str[] = "ERROR";
|
||
|
|
static char output[1024];
|
||
|
|
|
||
|
|
int run(int expect_ret, const char *expect,
|
||
|
|
bool output_null, size_t size_limit,
|
||
|
|
const char *format, va_list args)
|
||
|
|
{
|
||
|
|
size_t expect_size = expect ? strlen(expect) + 1 : 0;
|
||
|
|
int rv;
|
||
|
|
|
||
|
|
ccprintf("\n");
|
||
|
|
ccprintf("size_limit=%-4d | format='%s'\n", size_limit, format);
|
||
|
|
ccprintf("expect ='%s' | expect_status=%d\n",
|
||
|
|
expect ? expect : "NO_BYTES_TOUCHED", expect_ret);
|
||
|
|
|
||
|
|
TEST_ASSERT(expect_size <= sizeof(output));
|
||
|
|
TEST_ASSERT(expect_size <= size_limit);
|
||
|
|
memset(output, INIT_VALUE, sizeof(output));
|
||
|
|
|
||
|
|
rv = vsnprintf(output_null ? NULL : output, size_limit,
|
||
|
|
format, args);
|
||
|
|
ccprintf("received='%.*s' | ret =%d\n",
|
||
|
|
30, output, rv);
|
||
|
|
|
||
|
|
TEST_ASSERT_ARRAY_EQ(output, expect, expect_size);
|
||
|
|
TEST_ASSERT_MEMSET(&output[expect_size], INIT_VALUE,
|
||
|
|
sizeof(output) - expect_size);
|
||
|
|
|
||
|
|
if (rv >= 0) {
|
||
|
|
TEST_ASSERT(rv == expect_size - 1);
|
||
|
|
TEST_ASSERT(EC_SUCCESS == expect_ret);
|
||
|
|
} else {
|
||
|
|
TEST_ASSERT(rv == -expect_ret);
|
||
|
|
}
|
||
|
|
|
||
|
|
return EC_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
int expect_success(const char *expect, const char *format, ...)
|
||
|
|
{
|
||
|
|
va_list args;
|
||
|
|
int rv;
|
||
|
|
|
||
|
|
va_start(args, format);
|
||
|
|
rv = run(EC_SUCCESS, expect,
|
||
|
|
false, sizeof(output),
|
||
|
|
format, args);
|
||
|
|
va_end(args);
|
||
|
|
|
||
|
|
return rv;
|
||
|
|
}
|
||
|
|
|
||
|
|
int expect(int expect_ret, const char *expect,
|
||
|
|
bool output_null, size_t size_limit,
|
||
|
|
const char *format, ...)
|
||
|
|
{
|
||
|
|
va_list args;
|
||
|
|
int rv;
|
||
|
|
|
||
|
|
va_start(args, format);
|
||
|
|
rv = run(expect_ret, expect,
|
||
|
|
output_null, size_limit,
|
||
|
|
format, args);
|
||
|
|
va_end(args);
|
||
|
|
|
||
|
|
return rv;
|
||
|
|
}
|
||
|
|
|
||
|
|
#define T(n) \
|
||
|
|
do { \
|
||
|
|
int rv = (n); \
|
||
|
|
if (rv != EC_SUCCESS) \
|
||
|
|
return rv; \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
test_static int test_vsnprintf_args(void)
|
||
|
|
{
|
||
|
|
T(expect_success("", ""));
|
||
|
|
T(expect_success("a", "a"));
|
||
|
|
|
||
|
|
T(expect(/* expect an invalid args error */
|
||
|
|
EC_ERROR_INVAL, NO_BYTES_TOUCHED,
|
||
|
|
/* given -1 as output size limit */
|
||
|
|
false, -1, ""));
|
||
|
|
T(expect(/* expect an invalid args error */
|
||
|
|
EC_ERROR_INVAL, NO_BYTES_TOUCHED,
|
||
|
|
/* given 0 as output size limit */
|
||
|
|
false, 0, ""));
|
||
|
|
T(expect(/* expect SUCCESS */
|
||
|
|
EC_SUCCESS, "",
|
||
|
|
/* given 1 as output size limit and a blank format */
|
||
|
|
false, 1, ""));
|
||
|
|
T(expect(/* expect an overflow error */
|
||
|
|
EC_ERROR_OVERFLOW, "",
|
||
|
|
/* given 1 as output size limit with a non-blank format */
|
||
|
|
false, 1, "a"));
|
||
|
|
|
||
|
|
T(expect(/* expect an invalid args error */
|
||
|
|
EC_ERROR_INVAL, NO_BYTES_TOUCHED,
|
||
|
|
/* given NULL as the output buffer */
|
||
|
|
true, sizeof(output), ""));
|
||
|
|
T(expect(/* expect an invalid args error */
|
||
|
|
EC_ERROR_INVAL, NO_BYTES_TOUCHED,
|
||
|
|
/* given a NULL format string */
|
||
|
|
false, sizeof(output), NULL));
|
||
|
|
|
||
|
|
return EC_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
test_static int test_vsnprintf_int(void)
|
||
|
|
{
|
||
|
|
T(expect_success("123", "%d", 123));
|
||
|
|
T(expect_success("-123", "%d", -123));
|
||
|
|
T(expect_success("+123", "%+d", 123));
|
||
|
|
T(expect_success("-123", "%+d", -123));
|
||
|
|
T(expect_success("123", "%-d", 123));
|
||
|
|
T(expect_success("-123", "%-d", -123));
|
||
|
|
|
||
|
|
T(expect_success(" 123", "%5d", 123));
|
||
|
|
T(expect_success(" +123", "%+5d", 123));
|
||
|
|
T(expect_success("00123", "%05d", 123));
|
||
|
|
T(expect_success("00123", "%005d", 123));
|
||
|
|
/*
|
||
|
|
* TODO(crbug.com/974084): This odd behavior should be fixed.
|
||
|
|
* T(expect_success("+0123", "%+05d", 123));
|
||
|
|
* Actual: "0+123"
|
||
|
|
* T(expect_success("+0123", "%+005d", 123));
|
||
|
|
* Actual: "0+123"
|
||
|
|
*/
|
||
|
|
|
||
|
|
T(expect_success(" 123", "%*d", 5, 123));
|
||
|
|
T(expect_success(" +123", "%+*d", 5, 123));
|
||
|
|
T(expect_success("00123", "%0*d", 5, 123));
|
||
|
|
/*
|
||
|
|
* TODO(crbug.com/974084): This odd behavior should be fixed.
|
||
|
|
* T(expect_success("00123", "%00*d", 5, 123));
|
||
|
|
* Actual: "ERROR"
|
||
|
|
*/
|
||
|
|
T(expect_success("0+123", "%+0*d", 5, 123));
|
||
|
|
/*
|
||
|
|
* TODO(crbug.com/974084): This odd behavior should be fixed.
|
||
|
|
* T(expect_success("0+123", "%+00*d", 5, 123));
|
||
|
|
* Actual: "ERROR"
|
||
|
|
*/
|
||
|
|
|
||
|
|
T(expect_success("123 ", "%-5d", 123));
|
||
|
|
T(expect_success("+123 ", "%-+5d", 123));
|
||
|
|
T(expect_success(err_str, "%+-5d", 123));
|
||
|
|
T(expect_success("123 ", "%-05d", 123));
|
||
|
|
T(expect_success("123 ", "%-005d", 123));
|
||
|
|
T(expect_success("+123 ", "%-+05d", 123));
|
||
|
|
T(expect_success("+123 ", "%-+005d", 123));
|
||
|
|
|
||
|
|
T(expect_success("0.00123", "%.5d", 123));
|
||
|
|
T(expect_success("+0.00123", "%+.5d", 123));
|
||
|
|
T(expect_success("0.00123", "%7.5d", 123));
|
||
|
|
T(expect_success(" 0.00123", "%9.5d", 123));
|
||
|
|
T(expect_success(" +0.00123", "%+9.5d", 123));
|
||
|
|
|
||
|
|
T(expect_success("-1", "%ld", (int64_t)-1));
|
||
|
|
T(expect_success("4294967295", "%ld", (uint32_t)-1));
|
||
|
|
|
||
|
|
T(expect_success("123", "%u", 123));
|
||
|
|
T(expect_success("4294967295", "%u", -1));
|
||
|
|
T(expect_success("18446744073709551615", "%lu", (uint64_t)-1));
|
||
|
|
|
||
|
|
T(expect_success("0", "%x", 0));
|
||
|
|
T(expect_success("0", "%X", 0));
|
||
|
|
T(expect_success("5e", "%x", 0X5E));
|
||
|
|
T(expect_success("5E", "%X", 0X5E));
|
||
|
|
|
||
|
|
T(expect_success("0", "%b", 0));
|
||
|
|
T(expect_success("1011110", "%b", 0X5E));
|
||
|
|
|
||
|
|
return EC_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
test_static int test_vsnprintf_pointers(void)
|
||
|
|
{
|
||
|
|
void *ptr = (void *)0x55005E00;
|
||
|
|
|
||
|
|
T(expect_success("55005e00", "%p", ptr));
|
||
|
|
T(expect_success(err_str, "%P", ptr));
|
||
|
|
return EC_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
test_static int test_vsnprintf_chars(void)
|
||
|
|
{
|
||
|
|
T(expect_success("a", "%c", 'a'));
|
||
|
|
T(expect_success("*", "%c", '*'));
|
||
|
|
return EC_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
test_static int test_vsnprintf_strings(void)
|
||
|
|
{
|
||
|
|
T(expect_success("abc", "%s", "abc"));
|
||
|
|
T(expect_success(" abc", "%5s", "abc"));
|
||
|
|
T(expect_success("abc", "%0s", "abc"));
|
||
|
|
T(expect_success("abc ", "%-5s", "abc"));
|
||
|
|
T(expect_success("abc", "%*s", 0, "abc"));
|
||
|
|
T(expect_success("a", "%.1s", "abc"));
|
||
|
|
T(expect_success("a", "%.*s", 1, "abc"));
|
||
|
|
T(expect_success("", "%.0s", "abc"));
|
||
|
|
T(expect_success("", "%.*s", 0, "abc"));
|
||
|
|
/*
|
||
|
|
* TODO(crbug.com/974084):
|
||
|
|
* Ignoring the padding parameter is slightly
|
||
|
|
* odd behavior and could use a review.
|
||
|
|
*/
|
||
|
|
T(expect_success("ab", "%5.2s", "abc"));
|
||
|
|
T(expect_success("abc", "%.4s", "abc"));
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Given a malformed string (address 0x1 is a good example),
|
||
|
|
* if we ask for zero precision, expect no bytes to be read
|
||
|
|
* from the malformed address and a blank output string.
|
||
|
|
*/
|
||
|
|
T(expect_success("", "%.0s", (char *)1));
|
||
|
|
|
||
|
|
return EC_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
test_static int test_vsnprintf_hexdump(void)
|
||
|
|
{
|
||
|
|
const char bytes[] = {0x00, 0x5E};
|
||
|
|
|
||
|
|
T(expect_success(err_str, "%h", bytes));
|
||
|
|
T(expect_success("005e", "%.*h", 2, bytes));
|
||
|
|
T(expect_success("", "%.*h", 0, bytes));
|
||
|
|
T(expect_success(" 005e", "%5.*h", 2, bytes));
|
||
|
|
T(expect_success("00", "%0*.*h", 2, 0, bytes));
|
||
|
|
return EC_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
test_static int test_vsnprintf_combined(void)
|
||
|
|
{
|
||
|
|
T(expect_success("abc", "%c%s", 'a', "bc"));
|
||
|
|
T(expect_success("12\tbc", "%d\t%s", 12, "bc"));
|
||
|
|
return EC_SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
void run_test(void)
|
||
|
|
{
|
||
|
|
test_reset();
|
||
|
|
|
||
|
|
RUN_TEST(test_vsnprintf_args);
|
||
|
|
RUN_TEST(test_vsnprintf_int);
|
||
|
|
RUN_TEST(test_vsnprintf_pointers);
|
||
|
|
RUN_TEST(test_vsnprintf_chars);
|
||
|
|
RUN_TEST(test_vsnprintf_strings);
|
||
|
|
RUN_TEST(test_vsnprintf_hexdump);
|
||
|
|
RUN_TEST(test_vsnprintf_combined);
|
||
|
|
|
||
|
|
test_print_result();
|
||
|
|
}
|