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authorQi Wang <interwq@gwu.edu>2018-05-08 19:12:50 (GMT)
committerQi Wang <interwq@gwu.edu>2018-05-08 19:12:50 (GMT)
commit61efbda7098de6fe64c362d309824864308c36d4 (patch)
tree62b8cec5495df891b28fbb139b0c01cdbf9f3fb3 /test/unit/div.c
parent3f5049340e66c6929c3270f7359617f62e053b11 (diff)
parent1c51381b7cc62b6e0e77d02c42925c3776dbc4a2 (diff)
downloadjemalloc-5.1.0.zip
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Merge branch 'dev'5.1.0
Diffstat (limited to 'test/unit/div.c')
-rw-r--r--test/unit/div.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/test/unit/div.c b/test/unit/div.c
new file mode 100644
index 0000000..b47f10b
--- /dev/null
+++ b/test/unit/div.c
@@ -0,0 +1,29 @@
+#include "test/jemalloc_test.h"
+
+#include "jemalloc/internal/div.h"
+
+TEST_BEGIN(test_div_exhaustive) {
+ for (size_t divisor = 2; divisor < 1000 * 1000; ++divisor) {
+ div_info_t div_info;
+ div_init(&div_info, divisor);
+ size_t max = 1000 * divisor;
+ if (max < 1000 * 1000) {
+ max = 1000 * 1000;
+ }
+ for (size_t dividend = 0; dividend < 1000 * divisor;
+ dividend += divisor) {
+ size_t quotient = div_compute(
+ &div_info, dividend);
+ assert_zu_eq(dividend, quotient * divisor,
+ "With divisor = %zu, dividend = %zu, "
+ "got quotient %zu", divisor, dividend, quotient);
+ }
+ }
+}
+TEST_END
+
+int
+main(void) {
+ return test_no_reentrancy(
+ test_div_exhaustive);
+}