From 91c482b39b840c47168f8999bf332f6f74592f93 Mon Sep 17 00:00:00 2001
From: wonghiu45 <huangxiao35@huawei.com>
Date: Tue, 15 Nov 2022 11:02:40 +0800
Subject: [PATCH] add low memory kill test

category:bugfix
issue:#I617CD

Signed-off-by: wonghiu45 <huangxiao35@huawei.com>
Change-Id: Id5101d3b4d6818d59797cf3b29b0a9df6f7b142e
---
 test/BUILD.gn                                 |  17 +++
 .../unittest/phone/low_memory_killer_test.cpp | 103 ++++++++++++++++++
 2 files changed, 120 insertions(+)
 create mode 100644 test/unittest/phone/low_memory_killer_test.cpp

diff --git a/test/BUILD.gn b/test/BUILD.gn
index 86ce10d..af64e87 100644
--- a/test/BUILD.gn
+++ b/test/BUILD.gn
@@ -294,6 +294,22 @@ ohos_unittest("memory_level_manager_test") {
   subsystem_name = "resourceschedule"
 }
 
+ohos_unittest("low_memory_killer_test") {
+  module_out_path = module_output_path
+  configs = memmgr_service_configs
+
+  sources = [ "unittest/phone/low_memory_killer_test.cpp" ]
+
+  deps = memmgr_deps
+  if (is_standard_system) {
+    external_deps = memmgr_external_deps
+    public_deps = memmgr_public_deps
+  }
+
+  part_name = "memmgr"
+  subsystem_name = "resourceschedule"
+}
+
 group("memmgr_unittest") {
   testonly = true
   deps = [
@@ -301,6 +317,7 @@ group("memmgr_unittest") {
     ":default_multi_account_strategy_test",
     ":innerkits_test",
     ":kernel_interface_test",
+    ":low_memory_killer_test",
     ":memcg_mgr_test",
     ":memcg_test",
     ":memmgr_config_manager_test",
diff --git a/test/unittest/phone/low_memory_killer_test.cpp b/test/unittest/phone/low_memory_killer_test.cpp
new file mode 100644
index 0000000..52cb4fc
--- /dev/null
+++ b/test/unittest/phone/low_memory_killer_test.cpp
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 2022 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "gtest/gtest.h"
+
+#include "utils.h"
+
+#define private public
+#define protected public
+#include "low_memory_killer.h"
+#include "reclaim_strategy_manager.h"
+#undef private
+#undef protected
+
+namespace OHOS {
+namespace Memory {
+using namespace testing;
+using namespace testing::ext;
+
+class LowMemoryKillerTest : public testing::Test {
+public:
+    static void SetUpTestCase();
+    static void TearDownTestCase();
+    void SetUp();
+    void TearDown();
+};
+
+void LowMemoryKillerTest::SetUpTestCase()
+{
+}
+
+void LowMemoryKillerTest::TearDownTestCase()
+{
+}
+
+void LowMemoryKillerTest::SetUp()
+{
+}
+
+void LowMemoryKillerTest::TearDown()
+{
+}
+
+HWTEST_F(LowMemoryKillerTest, PsiHandlerTest, TestSize.Level1)
+{
+    LowMemoryKiller::GetInstance().PsiHandler();
+}
+
+HWTEST_F(LowMemoryKillerTest, QueryKillMemoryPriorityPairTest, TestSize.Level1)
+{
+    unsigned int reta = 1;
+    int retb = 1;
+    std::pair<unsigned int, int> ret = std::make_pair(reta, retb);
+    unsigned int currBufferKB = 54632;
+    unsigned int targetBufKB = 65231;
+    int killLevel = 0;
+    
+    ret = LowMemoryKiller::GetInstance().QueryKillMemoryPriorityPair(currBufferKB, targetBufKB, killLevel);
+    EXPECT_NE(ret.first, 1);
+    EXPECT_NE(ret.second, 1);
+}
+
+HWTEST_F(LowMemoryKillerTest, PsiHandlerInnerTest, TestSize.Level1)
+{
+    LowMemoryKiller::GetInstance().PsiHandlerInner();
+}
+
+HWTEST_F(LowMemoryKillerTest, KillOneBundleByPrioTest, TestSize.Level1)
+{
+    int pid = 123;
+    int appId = 111;
+    std::string appName = "com.test";
+    int userId = 234;
+    int score = 100;
+    std::shared_ptr<ReclaimParam> para = std::make_shared<ReclaimParam>(pid, appId, appName, userId, score,
+        AppAction::OTHERS);
+    ReclaimStrategyManager::GetInstance().NotifyAppStateChanged(para);
+    int minPrio = 10;
+    int ret = 1;
+    ret = LowMemoryKiller::GetInstance().KillOneBundleByPrio(minPrio);
+    EXPECT_NE(ret, 1);
+    MemcgMgr::GetInstance().RemoveUserMemcg(userId);
+}
+
+HWTEST_F(LowMemoryKillerTest, GetEventHandlerTest, TestSize.Level1)
+{
+    bool ret = LowMemoryKiller::GetInstance().GetEventHandler();
+    EXPECT_EQ(ret, true);
+}
+}
+}
\ No newline at end of file
-- 
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