fc3576ab06
Introduce a macro retry(attempts, condition, expr) for retrying a
condition, which is extensively used in coreboot.
Example usage:
if (!retry(3, read32(REG) == 0, mdelay(1))
printk(BIOS_ERR, "Error waiting for REG to be 0\n");
BUG=none
TEST=make tests/commonlib/bsd/helpers-test
TEST=emerge-cherry coreboot
BRANCH=none
Change-Id: I421e4dcab949616bd68b3a14231da744b9f74eeb
Signed-off-by: Yu-Ping Wu <yupingso@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/55778
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
41 lines
764 B
C
41 lines
764 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <commonlib/bsd/helpers.h>
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#include <tests/test.h>
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static void func(void)
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{
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function_called();
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}
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static void test_retry(void **state)
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{
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int count;
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/* 2-argument form */
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count = 0;
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assert_true(retry(3, ++count == 1));
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count = 0;
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assert_true(retry(3, ++count == 3));
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count = 0;
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assert_false(retry(3, ++count == 4));
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/* 3-argument form */
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expect_function_calls(func, 9);
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assert_null(retry(10, NULL, func()));
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assert_int_equal(retry(10, 999, func()), 999);
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count = 0;
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expect_function_calls(func, 3);
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assert_true(retry(10, ++count == 4, func()));
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}
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int main(void)
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{
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const struct CMUnitTest tests[] = {
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cmocka_unit_test(test_retry),
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};
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return cmocka_run_group_tests(tests, NULL, NULL);
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}
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