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tests/kernel: Validate constructor execution order

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Check the order of constructors, making sure those with a specified
priority are called in numeric order after which those without priority are
called.

Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Keith Packard 2024-06-21 10:17:33 -07:00 • committed by Benjamin Cabé
commit db49cd3899
1 changed files with 25 additions and 9 deletions
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34
tests/kernel/common/src/constructor.c
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@ -18,21 +18,37 @@
*
*/
static int constructor_value;
static int constructor_number;
static int constructor_values[3];
#define CONSTRUCTOR_VALUE 1
void
__attribute__((__constructor__))
__constructor_init(void)
void __attribute__((__constructor__)) __constructor_init(void)
{
constructor_value = CONSTRUCTOR_VALUE;
constructor_values[constructor_number++] = 31415;
}
void __attribute__((__constructor__(101))) __constructor_init_priority_101(void)
{
constructor_values[constructor_number++] = 101;
}
void __attribute__((__constructor__(1000))) __constructor_init_priority_1000(void)
{
constructor_values[constructor_number++] = 1000;
}
ZTEST(constructor, test_constructor)
{
zassert_equal(constructor_value, CONSTRUCTOR_VALUE,
"constructor test failed: constructor not called");
zassert_equal(constructor_number, 3,
"constructor test failed: constructor missing");
zassert_equal(constructor_values[0], 101,
"constructor priority test failed:"
"constructor 101 not called first");
zassert_equal(constructor_values[1], 1000,
"constructor priority test failed:"
"constructor 1000 not called second");
zassert_equal(constructor_values[2], 31415,
"constructor priority test failed:"
"constructor without priority not called last");
}
extern void *common_setup(void);