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// SPDX-License-Identifier: MIT
/*
* Copyright © 2022 Intel Corporation
*/
#include "igt_core.h"
#include "igt_types.h"
IGT_TEST_DESCRIPTION("Test scoped variable handling");
/* a lookalike of igt_fd_t for testing */
#define scoped_int_t(x__) \
volatile int x__ cleanup_with(cleanup) = IGT_OUTER_SCOPE_INIT(-1)
static int cleanup_called;
static void cleanup(volatile int *x)
{
cleanup_called++;
*x = -1;
}
static void delegate(void)
{
scoped_int_t(x);
igt_fixture
x = 1;
igt_describe("Pretend to be doing a subtest");
igt_subtest("empty-subtest")
x = 2;
igt_fixture {
/* Check that we went through both blocks without cleanup */
igt_assert(!cleanup_called);
igt_assert(x == 2);
}
}
static void skip_delegate(void)
{
scoped_int_t(x);
igt_fixture
x = 1;
igt_describe("Check if skipping a test will not update a scoped variable");
igt_subtest("skipped-subtest") {
igt_skip("Early skip for testing\n");
x = 2; /* not reached due to lonjmp from igt_skip */
}
igt_fixture {
/* Check that we went through both blocks without cleanup */
igt_assert(!cleanup_called);
igt_assert(x == 1);
}
}
igt_main
{
/* Basic check that scopes will call their destructor */
cleanup_called = 0;
igt_fixture {
scoped_int_t(x);
}
igt_describe("Check if cleanup is called after fixture");
igt_subtest("cleanup-after-fixture")
igt_assert(cleanup_called);
/* But not before we go out of scope! */
cleanup_called = 0;
igt_subtest_group {
scoped_int_t(x);
igt_fixture {
x = 0xdeadbeef;
}
igt_describe("Check if cleanup not called before subtest group");
igt_subtest("cleanup-not-before-subtest-group") {
/* Check no scope destructor was called */
igt_assert(cleanup_called == 0);
/* Confirm that we did pass through a scoped block */
igt_assert_eq_u32(x, 0xdeadbeef);
}
}
igt_describe("Check if cleanup is called after subtest group");
igt_subtest("cleanup-after-subtest-group")
igt_assert(cleanup_called);
/* longjmp and __attribute__(cleanup) do not mix well together */
#if 0 /* See bad_subtest_type, this is caught by an internal assertion */
cleanup_called = 0;
igt_describe("Check skipping a subtest");
igt_subtest("skip-subtest") {
scoped_int_t(x);
igt_skip("Checking scoped cleanup on skip\n");
}
igt_describe("Check cleanup after skipping a subtest");
igt_subtest("cleanup-after-skip")
igt_assert_f(!cleanup_called,
"scoped closure was not compatible with igt_skip\n");
#endif
/*
* However, if we igt_skip inside another block (subtest-group), then we
* will get cleanup on the outer scope.
*/
cleanup_called = 0;
igt_subtest_group {
scoped_int_t(x);
igt_describe("Check skipping a subtest group");
igt_subtest("skip-subtest-group")
igt_skip("Checking scoped cleanup after skip\n");
}
igt_describe("Check cleanup after skipping a subtest group");
igt_subtest("cleanup-after-skip-group")
igt_assert(cleanup_called);
/* Check the same holds true for function calls */
cleanup_called = 0;
delegate();
igt_describe("Check cleanup after delegation");
igt_subtest("cleanup-after-delegation")
igt_assert(cleanup_called);
cleanup_called = 0;
igt_subtest_group
delegate();
igt_describe("Check cleanup after group delegation");
igt_subtest("cleanup-after-group-delegation")
igt_assert(cleanup_called);
/* Check what happens with a igt_skip inside a function */
cleanup_called = 0;
skip_delegate();
igt_describe("Check cleanup after skipping delegation");
igt_subtest("cleanup-after-skipped-delegation")
igt_assert(cleanup_called);
cleanup_called = 0;
igt_subtest_group
skip_delegate();
igt_describe("Check cleanup after skipping group delegation");
igt_subtest("cleanup-after-group-skipped-delegation")
igt_assert(cleanup_called);
}
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