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fix(snapshot) fix memory leak (#2970)

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Signed-off-by: wangxuedong <wangxuedong@xiaomi.com>
Co-authored-by: Themba Dube <embeddedthemba@gmail.com>
This commit is contained in:
xaowang96 2022-01-06 21:56:53 +08:00 committed by GitHub
parent e7ac0e4198
commit ddae70f741
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2 changed files with 38 additions and 0 deletions
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1
src/extra/others/snapshot/lv_snapshot.c
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@ -142,6 +142,7 @@ lv_res_t lv_snapshot_take_to_buf(lv_obj_t * obj, lv_img_cf_t cf, lv_img_dsc_t *
_lv_refr_set_disp_refreshing(refr_ori);
obj_disp->driver->draw_ctx_deinit(fake_disp.driver, draw_ctx);
lv_mem_free(draw_ctx);
dsc->data = buf;
dsc->header.w = w;

37
tests/src/test_cases/test_snapshot.c Normal file
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@ -0,0 +1,37 @@
#if LV_BUILD_TEST
#include "../lvgl.h"
#include "unity/unity.h"
#define NUM_SNAPSHOTS 1
void test_snapshot_should_not_leak_memory(void)
{
uint32_t idx = 0;
uint32_t initial_available_memory = 0;
uint32_t final_available_memory = 0;
lv_mem_monitor_t monitor;
lv_img_dsc_t *snapshots[NUM_SNAPSHOTS] = {NULL};
lv_mem_monitor(&monitor);
initial_available_memory = monitor.free_size;
for(idx = 0; idx < NUM_SNAPSHOTS; idx++) {
snapshots[idx] = lv_snapshot_take(lv_scr_act(), LV_IMG_CF_TRUE_COLOR_ALPHA);
TEST_ASSERT_NOT_NULL(snapshots[idx]);
}
for(idx = 0; idx < NUM_SNAPSHOTS; idx++) {
lv_snapshot_free(snapshots[idx]);
}
lv_mem_monitor(&monitor);
final_available_memory = monitor.free_size;
TEST_ASSERT_EQUAL(initial_available_memory, final_available_memory);
}
#endif