[test] Added GL objects tests

2 files changed, 122 insertions, 0 deletions

diff --git a/test/gl/object.cpp b/test/gl/object.cpp
new file mode 100644
index 0000000000..c804040950
--- /dev/null
+++ b/test/gl/object.cpp
@@ -0,0 +1,120 @@
+#include <mbgl/test/util.hpp>
+
+#include <mbgl/platform/default/headless_display.hpp>
+#include <mbgl/platform/default/headless_view.hpp>
+
+#include <mbgl/gl/gl_helper.hpp>
+#include <mbgl/gl/gl_config.hpp>
+#include <mbgl/gl/object_store.hpp>
+
+#include <memory>
+
+namespace {
+
+static bool getFlag = false;
+static bool setFlag = false;
+
+}; // namespace
+
+struct MockGLObject {
+    using Type = bool;
+    static const Type Default = false;
+    static Type Get() { getFlag = true; return true; }
+    static void Set(const Type&) { setFlag = true; }
+};
+
+TEST(GLObject, Preserve) {
+    getFlag = false;
+    setFlag = false;
+
+    auto object = std::make_unique<mbgl::gl::Preserve<MockGLObject>>();
+    EXPECT_TRUE(getFlag);
+    EXPECT_FALSE(setFlag);
+
+    getFlag = false;
+    object.reset();
+    EXPECT_FALSE(getFlag);
+    EXPECT_TRUE(setFlag);
+}
+
+TEST(GLObject, Value) {
+    setFlag = false;
+
+    auto object = std::make_unique<mbgl::gl::Value<MockGLObject>>();
+    EXPECT_EQ(object->getCurrent(), false);
+    EXPECT_FALSE(object->getDirty());
+    EXPECT_FALSE(setFlag);
+
+    object->setDirty();
+    EXPECT_TRUE(object->getDirty());
+
+    *object = false;
+    EXPECT_EQ(object->getCurrent(), false);
+    EXPECT_FALSE(object->getDirty());
+    EXPECT_TRUE(setFlag);
+
+    setFlag = false;
+    *object = true;
+    EXPECT_EQ(object->getCurrent(), true);
+    EXPECT_FALSE(object->getDirty());
+    EXPECT_TRUE(setFlag);
+
+    object->reset();
+    EXPECT_EQ(object->getCurrent(), false);
+    EXPECT_TRUE(object->getDirty());
+    EXPECT_TRUE(setFlag);
+}
+
+TEST(GLObject, Store) {
+    mbgl::HeadlessView view(std::make_shared<mbgl::HeadlessDisplay>(), 1);
+    view.activate();
+
+    mbgl::gl::ObjectStore store;
+    EXPECT_TRUE(store.empty());
+
+    mbgl::gl::UniqueProgram program = store.createProgram();
+    EXPECT_TRUE(program.get() != 0);
+    program.reset();
+    EXPECT_FALSE(store.empty());
+    store.performCleanup();
+    EXPECT_TRUE(store.empty());
+
+    mbgl::gl::UniqueShader shader = store.createShader(GL_VERTEX_SHADER);
+    EXPECT_TRUE(shader.get() != 0);
+    shader.reset();
+    EXPECT_FALSE(store.empty());
+    store.performCleanup();
+    EXPECT_TRUE(store.empty());
+
+    mbgl::gl::UniqueBuffer buffer = store.createBuffer();
+    EXPECT_TRUE(buffer.get() != 0);
+    buffer.reset();
+    EXPECT_FALSE(store.empty());
+    store.performCleanup();
+    EXPECT_TRUE(store.empty());
+
+    mbgl::gl::UniqueTexture texture = store.createTexture();
+    EXPECT_TRUE(texture.get() != 0);
+    texture.reset();
+    EXPECT_FALSE(store.empty());
+    store.performCleanup();
+    EXPECT_TRUE(store.empty());
+
+    mbgl::gl::UniqueVAO vao = store.createVAO();
+    EXPECT_TRUE(vao.get() != 0);
+    vao.reset();
+    EXPECT_FALSE(store.empty());
+    store.performCleanup();
+    EXPECT_TRUE(store.empty());
+
+    mbgl::gl::UniqueTexturePool texturePool = store.createTexturePool();
+    for (auto& id : texturePool.get()) {
+        EXPECT_TRUE(id != 0);
+    }
+    texturePool.reset();
+    EXPECT_FALSE(store.empty());
+    store.performCleanup();
+    EXPECT_TRUE(store.empty());
+
+    view.deactivate();
+}
diff --git a/test/test.gypi b/test/test.gypi
index 03052ab1c4..f9a25e4e86 100644
--- a/test/test.gypi
+++ b/test/test.gypi
@@ -48,6 +48,8 @@
 
         'geometry/binpack.cpp',
 
+        'gl/object.cpp',
+
         'map/map.cpp',
         'map/transform.cpp',