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Fix and improve qint_from_int64_test

Use a long long integer constant to fix a compilation error (integer
constant is too large for 'long' type).

Use a better value for testing, as -1 makes the test pass even if
qi->value is of type uint32_t, float or double. This was suggested by
Reimar Döffinger <>.

Also, make the test fail when qi->value is of type double or float by
casting qi->value to int64_t, to avoid value being promoted to the type
of qi->value.

Signed-off-by: Pierre Riteau <>
Acked-by: Luiz Capitulino <>
Signed-off-by: Aurelien Jarno <>
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priteau authored and aurel32 committed Sep 8, 2009
1 parent e0fed6c commit 02c068c3ae8ec2954ea03de61d6627c555d88bff
Showing with 2 additions and 2 deletions.
  1. +2 −2 check-qint.c
@@ -43,10 +43,10 @@ END_TEST
QInt *qi;
- const int64_t value = 0xffffffffffffffff;
+ const int64_t value = 0x1234567890abcdefLL;
qi = qint_from_int(value);
- fail_unless(qi->value == value);
+ fail_unless((int64_t) qi->value == value);

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