[tests] Added utests for RunLoop refcounting

2 files changed, 76 insertions, 0 deletions

diff --git a/test/miscellaneous/run_loop.cpp b/test/miscellaneous/run_loop.cpp
new file mode 100644
index 0000000000..f00f7248b5
--- /dev/null
+++ b/test/miscellaneous/run_loop.cpp
@@ -0,0 +1,75 @@
+#include <mbgl/util/run_loop.hpp>
+#include <mbgl/util/timer.hpp>
+
+#include "../fixtures/util.hpp"
+
+using namespace mbgl::util;
+
+TEST(RunLoop, Stop) {
+    RunLoop loop(RunLoop::Type::New);
+
+    Timer timer;
+    timer.start(mbgl::Duration::zero(), mbgl::Duration::zero(), [&] {
+        loop.stop();
+    });
+
+    loop.run();
+}
+
+TEST(RunLoop, MultipleStop) {
+    RunLoop loop(RunLoop::Type::New);
+
+    Timer timer;
+    timer.start(mbgl::Duration::zero(), mbgl::Duration::zero(), [&] {
+        loop.stop();
+        loop.stop();
+        loop.stop();
+        loop.stop();
+    });
+
+    loop.run();
+}
+
+TEST(RunLoop, UnrefShouldStop) {
+    RunLoop loop(RunLoop::Type::New);
+
+    Timer timer;
+    timer.start(mbgl::Duration::zero(), mbgl::Duration::zero(), [&] {
+        loop.unref();
+    });
+
+    loop.run();
+}
+
+TEST(RunLoop, RefUnref) {
+    RunLoop loop(RunLoop::Type::New);
+
+    Timer timer;
+    auto zero = mbgl::Duration::zero();
+
+    auto cb3 = [&] {
+        loop.stop();
+    };
+
+    auto cb2 = [&] {
+        loop.unref();
+        loop.unref();
+
+        loop.ref();
+
+        timer.start(zero, zero, cb3);
+    };
+
+    auto cb1 = [&] {
+        loop.ref();
+        loop.ref();
+
+        loop.unref();
+
+        timer.start(zero, zero, cb2);
+    };
+
+    timer.start(zero, zero, cb1);
+
+    loop.run();
+}
diff --git a/test/test.gypi b/test/test.gypi
index 194744198e..e0d0951759 100644
--- a/test/test.gypi
+++ b/test/test.gypi
@@ -57,6 +57,7 @@
         'miscellaneous/mapbox.cpp',
         'miscellaneous/merge_lines.cpp',
         'miscellaneous/style_parser.cpp',
+        'miscellaneous/run_loop.cpp',
         'miscellaneous/text_conversions.cpp',
         'miscellaneous/thread.cpp',
         'miscellaneous/thread_local.cpp',