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dm: test: Show the amount of leaked memory on error 

Adjust the memory leak tests to show the amount of memory leaked. This can
be a useful signal as to what is wrong.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2015-09-12 08:45:20 -06:00
parent 84d26e296a
commit cbfc2ff9da
1 changed files with 6 additions and 1 deletions
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7
test/dm/core.c
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@ -77,7 +77,7 @@ void dm_leak_check_start(struct unit_test_state *uts)
int dm_leak_check_end(struct unit_test_state *uts) int dm_leak_check_end(struct unit_test_state *uts)
{ {
struct mallinfo end; struct mallinfo end;
int id; int id, diff;
/* Don't delete the root class, since we started with that */ /* Don't delete the root class, since we started with that */
for (id = UCLASS_ROOT + 1; id < UCLASS_COUNT; id++) { for (id = UCLASS_ROOT + 1; id < UCLASS_COUNT; id++) {
@ -90,6 +90,11 @@ int dm_leak_check_end(struct unit_test_state *uts)
} }
end = mallinfo(); end = mallinfo();
diff = end.uordblks - uts->start.uordblks;
if (diff > 0)
printf("Leak: lost %#xd bytes\n", diff);
else if (diff < 0)
printf("Leak: gained %#xd bytes\n", -diff);
ut_asserteq(uts->start.uordblks, end.uordblks); ut_asserteq(uts->start.uordblks, end.uordblks);
return 0; return 0;