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LibC: Allow multiple includes of <assert.h>

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ISO C requires in section 7.2:
The assert macro is redefined according to the current state of NDEBUG
each time that <assert.h> is included.

Also add tests for `assert` multiple inclusion accordingly.
This commit is contained in:
Michel Hermier 2021-12-14 17:44:43 +01:00 • committed by Brian Gianforcaro
parent 7b8398ea0d
commit 682f89d5bc
3 changed files with 36 additions and 7 deletions
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23
Tests/LibC/TestAssert.cpp
View file

@ -6,6 +6,7 @@
#include <LibTest/TestCase.h>
#undef NDEBUG
#include <assert.h>
#include <signal.h>
@ -20,3 +21,25 @@ TEST_CASE(assert)
return Test::Crash::Failure::DidNotCrash;
});
}
#define NDEBUG
#include <assert.h>
TEST_CASE(assert_reinclude)
{
EXPECT_NO_CRASH("This should not assert", [] {
assert(!"This should not assert");
return Test::Crash::Failure::DidNotCrash;
});
}
#undef NDEBUG
#include <assert.h>
TEST_CASE(assert_rereinclude)
{
EXPECT_CRASH("This should assert", [] {
assert(!"This should assert");
return Test::Crash::Failure::DidNotCrash;
});
}