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Disable warning for deliberate use on MSVS.

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Disable "warning C4756: overflow in constant arithmetic" when deliberately
triggering it in a test using infinity.
This commit is contained in:
Joakim Soderberg 2015-01-13 16:11:03 +01:00
parent c244b1483e
commit 6a38d0d431
1 changed files with 29 additions and 12 deletions
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41
test/suites/api/test_number.c
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@ -9,6 +9,34 @@
#include <jansson.h>
#include "util.h"
#ifdef INFINITY
// This test triggers "warning C4756: overflow in constant arithmetic"
// in Visual Studio. This warning is triggered here by design, so disable it.
// (This can only be done on function level so we keep these tests separate)
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning (disable: 4756)
#endif
static void test_inifity()
{
json_t *real = json_real(INFINITY);
if (real != NULL)
fail("could construct a real from Inf");
real = json_real(1.0);
if (json_real_set(real, INFINITY) != -1)
fail("could set a real to Inf");
if (json_real_value(real) != 1.0)
fail("real value changed unexpectedly");
json_decref(real);
#ifdef _MSC_VER
#pragma warning(pop)
#endif
}
#endif // INFINITY
static void run_tests()
{
json_t *integer, *real;
@ -57,17 +85,6 @@ static void run_tests()
#endif
#ifdef INFINITY
real = json_real(INFINITY);
if(real != NULL)
fail("could construct a real from Inf");
real = json_real(1.0);
if(json_real_set(real, INFINITY) != -1)
fail("could set a real to Inf");
if(json_real_value(real) != 1.0)
fail("real value changed unexpectedly");
json_decref(real);
test_inifity();
#endif
}