From fadb39ca6237781346ca3da319e2bd9e48a5a604 Mon Sep 17 00:00:00 2001
From: MarcoFalke <falke.marco@gmail.com>
Date: Sat, 17 Feb 2018 14:29:56 -0500
Subject: test: Plug memory leaks and stack-use-after-scope

---
 src/bench/coin_selection.cpp  | 11 ++++++-----
 src/test/checkqueue_tests.cpp |  8 ++++----
 src/test/test_bitcoin.cpp     |  3 +++
 3 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/src/bench/coin_selection.cpp b/src/bench/coin_selection.cpp
index 06d2abeac6..6f438b60e9 100644
--- a/src/bench/coin_selection.cpp
+++ b/src/bench/coin_selection.cpp
@@ -37,11 +37,6 @@ static void CoinSelection(benchmark::State& state)
     LOCK(wallet.cs_wallet);
 
     while (state.KeepRunning()) {
-        // Empty wallet.
-        for (COutput output : vCoins)
-            delete output.tx;
-        vCoins.clear();
-
         // Add coins.
         for (int i = 0; i < 1000; i++)
             addCoin(1000 * COIN, wallet, vCoins);
@@ -53,6 +48,12 @@ static void CoinSelection(benchmark::State& state)
         assert(success);
         assert(nValueRet == 1003 * COIN);
         assert(setCoinsRet.size() == 2);
+
+        // Empty wallet.
+        for (COutput& output : vCoins) {
+            delete output.tx;
+        }
+        vCoins.clear();
     }
 }
 
diff --git a/src/test/checkqueue_tests.cpp b/src/test/checkqueue_tests.cpp
index 42f9dd0600..8e0ec5243b 100644
--- a/src/test/checkqueue_tests.cpp
+++ b/src/test/checkqueue_tests.cpp
@@ -406,11 +406,11 @@ BOOST_AUTO_TEST_CASE(test_CheckQueueControl_Locks)
         boost::thread_group tg;
         std::mutex m;
         std::condition_variable cv;
+        bool has_lock{false};
+        bool has_tried{false};
+        bool done{false};
+        bool done_ack{false};
         {
-            bool has_lock {false};
-            bool has_tried {false};
-            bool done {false};
-            bool done_ack {false};
             std::unique_lock<std::mutex> l(m);
             tg.create_thread([&]{
                     CCheckQueueControl<FakeCheck> control(queue.get());
diff --git a/src/test/test_bitcoin.cpp b/src/test/test_bitcoin.cpp
index bdd44489f4..95c4825b84 100644
--- a/src/test/test_bitcoin.cpp
+++ b/src/test/test_bitcoin.cpp
@@ -28,6 +28,9 @@ void CConnmanTest::AddNode(CNode& node)
 void CConnmanTest::ClearNodes()
 {
     LOCK(g_connman->cs_vNodes);
+    for (CNode* node : g_connman->vNodes) {
+        delete node;
+    }
     g_connman->vNodes.clear();
 }
 
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