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BLI_stack: gtest for clear

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This commit is contained in:
Campbell Barton 2015-06-03 18:09:12 +10:00
parent 1dbcccf5f9
commit 6fbb580e51
1 changed files with 52 additions and 2 deletions
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54
tests/gtests/blenlib/BLI_stack_test.cc
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@ -11,6 +11,14 @@ extern "C" {
#define SIZE 1024
/* number of items per chunk. use a small value to expose bugs */
#define STACK_CHUNK_SIZE 8
/* Ensure block size is set to #STACK_NEW_EX_ARGS */
#define BLI_stack_new(esize, descr) \
BLI_stack_new_ex(esize, descr, esize * STACK_CHUNK_SIZE)
TEST(stack, Empty)
{
BLI_Stack *stack;
@ -110,18 +118,60 @@ TEST(stack, Peek)
EXPECT_EQ(BLI_stack_is_empty(stack), true);
}
/* Check that clearing the stack leaves in it a correct state. */
TEST(stack, Clear)
{
const int tot_rerun = 4;
int rerun;
/* based on range test */
int tot = SIZE;
BLI_Stack *stack;
int in, out;
/* use a small chunk size to ensure we test */
stack = BLI_stack_new(sizeof(in), __func__);
for (rerun = 0; rerun < tot_rerun; rerun++) {
for (in = 0; in < tot; in++) {
BLI_stack_push(stack, (void *)&in);
}
BLI_stack_clear(stack);
EXPECT_EQ(BLI_stack_is_empty(stack), true);
/* and again, this time check its valid */
for (in = 0; in < tot; in++) {
BLI_stack_push(stack, (void *)&in);
}
for (in = tot - 1; in >= 0; in--) {
EXPECT_EQ(BLI_stack_is_empty(stack), false);
BLI_stack_pop(stack, (void *)&out);
EXPECT_EQ(in, out);
}
EXPECT_EQ(BLI_stack_is_empty(stack), true);
/* without this, we wont test case when mixed free/used */
tot /= 2;
}
BLI_stack_free(stack);
}
TEST(stack, Reuse)
{
const int sizes[] = {3, 11, 81, 400, 999, 12, 1, 9721, 7, 99, 5, 0};
int sizes_test[ARRAY_SIZE(sizes)];
const int *s;
int in, out, i;
int out, i;
int sum, sum_test;
BLI_Stack *stack;
stack = BLI_stack_new(sizeof(in), __func__);
stack = BLI_stack_new(sizeof(i), __func__);
/* add a bunch of numbers, ensure we get same sum out */
sum = 0;