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Diffstat (limited to 'lib/test_min_heap.c')
-rw-r--r--lib/test_min_heap.c76
1 files changed, 56 insertions, 20 deletions
diff --git a/lib/test_min_heap.c b/lib/test_min_heap.c
index 7b01b4387cfb..64c877e73b64 100644
--- a/lib/test_min_heap.c
+++ b/lib/test_min_heap.c
@@ -11,17 +11,19 @@
#include <linux/printk.h>
#include <linux/random.h>
-static __init bool less_than(const void *lhs, const void *rhs)
+DEFINE_MIN_HEAP(int, min_heap_test);
+
+static __init bool less_than(const void *lhs, const void *rhs, void __always_unused *args)
{
return *(int *)lhs < *(int *)rhs;
}
-static __init bool greater_than(const void *lhs, const void *rhs)
+static __init bool greater_than(const void *lhs, const void *rhs, void __always_unused *args)
{
return *(int *)lhs > *(int *)rhs;
}
-static __init void swap_ints(void *lhs, void *rhs)
+static __init void swap_ints(void *lhs, void *rhs, void __always_unused *args)
{
int temp = *(int *)lhs;
@@ -30,7 +32,7 @@ static __init void swap_ints(void *lhs, void *rhs)
}
static __init int pop_verify_heap(bool min_heap,
- struct min_heap *heap,
+ struct min_heap_test *heap,
const struct min_heap_callbacks *funcs)
{
int *values = heap->data;
@@ -38,7 +40,7 @@ static __init int pop_verify_heap(bool min_heap,
int last;
last = values[0];
- min_heap_pop(heap, funcs);
+ min_heap_pop(heap, funcs, NULL);
while (heap->nr > 0) {
if (min_heap) {
if (last > values[0]) {
@@ -54,7 +56,7 @@ static __init int pop_verify_heap(bool min_heap,
}
}
last = values[0];
- min_heap_pop(heap, funcs);
+ min_heap_pop(heap, funcs, NULL);
}
return err;
}
@@ -63,20 +65,19 @@ static __init int test_heapify_all(bool min_heap)
{
int values[] = { 3, 1, 2, 4, 0x8000000, 0x7FFFFFF, 0,
-3, -1, -2, -4, 0x8000000, 0x7FFFFFF };
- struct min_heap heap = {
+ struct min_heap_test heap = {
.data = values,
.nr = ARRAY_SIZE(values),
.size = ARRAY_SIZE(values),
};
struct min_heap_callbacks funcs = {
- .elem_size = sizeof(int),
.less = min_heap ? less_than : greater_than,
.swp = swap_ints,
};
int i, err;
/* Test with known set of values. */
- min_heapify_all(&heap, &funcs);
+ min_heapify_all(&heap, &funcs, NULL);
err = pop_verify_heap(min_heap, &heap, &funcs);
@@ -85,7 +86,7 @@ static __init int test_heapify_all(bool min_heap)
for (i = 0; i < heap.nr; i++)
values[i] = get_random_u32();
- min_heapify_all(&heap, &funcs);
+ min_heapify_all(&heap, &funcs, NULL);
err += pop_verify_heap(min_heap, &heap, &funcs);
return err;
@@ -96,13 +97,12 @@ static __init int test_heap_push(bool min_heap)
const int data[] = { 3, 1, 2, 4, 0x80000000, 0x7FFFFFFF, 0,
-3, -1, -2, -4, 0x80000000, 0x7FFFFFFF };
int values[ARRAY_SIZE(data)];
- struct min_heap heap = {
+ struct min_heap_test heap = {
.data = values,
.nr = 0,
.size = ARRAY_SIZE(values),
};
struct min_heap_callbacks funcs = {
- .elem_size = sizeof(int),
.less = min_heap ? less_than : greater_than,
.swp = swap_ints,
};
@@ -110,14 +110,14 @@ static __init int test_heap_push(bool min_heap)
/* Test with known set of values copied from data. */
for (i = 0; i < ARRAY_SIZE(data); i++)
- min_heap_push(&heap, &data[i], &funcs);
+ min_heap_push(&heap, &data[i], &funcs, NULL);
err = pop_verify_heap(min_heap, &heap, &funcs);
/* Test with randomly generated values. */
while (heap.nr < heap.size) {
temp = get_random_u32();
- min_heap_push(&heap, &temp, &funcs);
+ min_heap_push(&heap, &temp, &funcs, NULL);
}
err += pop_verify_heap(min_heap, &heap, &funcs);
@@ -129,13 +129,12 @@ static __init int test_heap_pop_push(bool min_heap)
const int data[] = { 3, 1, 2, 4, 0x80000000, 0x7FFFFFFF, 0,
-3, -1, -2, -4, 0x80000000, 0x7FFFFFFF };
int values[ARRAY_SIZE(data)];
- struct min_heap heap = {
+ struct min_heap_test heap = {
.data = values,
.nr = 0,
.size = ARRAY_SIZE(values),
};
struct min_heap_callbacks funcs = {
- .elem_size = sizeof(int),
.less = min_heap ? less_than : greater_than,
.swp = swap_ints,
};
@@ -144,28 +143,62 @@ static __init int test_heap_pop_push(bool min_heap)
/* Fill values with data to pop and replace. */
temp = min_heap ? 0x80000000 : 0x7FFFFFFF;
for (i = 0; i < ARRAY_SIZE(data); i++)
- min_heap_push(&heap, &temp, &funcs);
+ min_heap_push(&heap, &temp, &funcs, NULL);
/* Test with known set of values copied from data. */
for (i = 0; i < ARRAY_SIZE(data); i++)
- min_heap_pop_push(&heap, &data[i], &funcs);
+ min_heap_pop_push(&heap, &data[i], &funcs, NULL);
err = pop_verify_heap(min_heap, &heap, &funcs);
heap.nr = 0;
for (i = 0; i < ARRAY_SIZE(data); i++)
- min_heap_push(&heap, &temp, &funcs);
+ min_heap_push(&heap, &temp, &funcs, NULL);
/* Test with randomly generated values. */
for (i = 0; i < ARRAY_SIZE(data); i++) {
temp = get_random_u32();
- min_heap_pop_push(&heap, &temp, &funcs);
+ min_heap_pop_push(&heap, &temp, &funcs, NULL);
}
err += pop_verify_heap(min_heap, &heap, &funcs);
return err;
}
+static __init int test_heap_del(bool min_heap)
+{
+ int values[] = { 3, 1, 2, 4, 0x8000000, 0x7FFFFFF, 0,
+ -3, -1, -2, -4, 0x8000000, 0x7FFFFFF };
+ struct min_heap_test heap;
+
+ min_heap_init(&heap, values, ARRAY_SIZE(values));
+ heap.nr = ARRAY_SIZE(values);
+ struct min_heap_callbacks funcs = {
+ .less = min_heap ? less_than : greater_than,
+ .swp = swap_ints,
+ };
+ int i, err;
+
+ /* Test with known set of values. */
+ min_heapify_all(&heap, &funcs, NULL);
+ for (i = 0; i < ARRAY_SIZE(values) / 2; i++)
+ min_heap_del(&heap, get_random_u32() % heap.nr, &funcs, NULL);
+ err = pop_verify_heap(min_heap, &heap, &funcs);
+
+
+ /* Test with randomly generated values. */
+ heap.nr = ARRAY_SIZE(values);
+ for (i = 0; i < heap.nr; i++)
+ values[i] = get_random_u32();
+ min_heapify_all(&heap, &funcs, NULL);
+
+ for (i = 0; i < ARRAY_SIZE(values) / 2; i++)
+ min_heap_del(&heap, get_random_u32() % heap.nr, &funcs, NULL);
+ err += pop_verify_heap(min_heap, &heap, &funcs);
+
+ return err;
+}
+
static int __init test_min_heap_init(void)
{
int err = 0;
@@ -176,6 +209,8 @@ static int __init test_min_heap_init(void)
err += test_heap_push(false);
err += test_heap_pop_push(true);
err += test_heap_pop_push(false);
+ err += test_heap_del(true);
+ err += test_heap_del(false);
if (err) {
pr_err("test failed with %d errors\n", err);
return -EINVAL;
@@ -191,4 +226,5 @@ static void __exit test_min_heap_exit(void)
}
module_exit(test_min_heap_exit);
+MODULE_DESCRIPTION("Test cases for the min max heap");
MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-02 16:57:46 +0300