gunit tests + error handling improvments

1 files changed, 72 insertions, 0 deletions

diff --git a/gunit_tests/context.cpp b/gunit_tests/context.cpp
new file mode 100644
index 0000000..e44a3d7
--- /dev/null
+++ b/gunit_tests/context.cpp
@@ -0,0 +1,72 @@
+#include "vkvg.h"
+#include <gtest/gtest.h>
+
+// The fixture for testing class Foo.
+class ContextTest : public testing::Test {
+  public:
+    VkvgDevice  dev;
+    VkvgSurface surf;
+
+  protected:
+    // You can remove any or all of the following functions if their bodies would
+    // be empty.
+
+    ContextTest() {
+        vkvg_device_create_info_t info{};
+        dev  = vkvg_device_create(&info);
+        surf = vkvg_surface_create(dev, 512, 512);
+    }
+
+    ~ContextTest() override {
+        vkvg_surface_destroy(surf);
+        vkvg_device_destroy(dev);
+    }
+
+    void SetUp() override {}
+
+    void TearDown() override {}
+};
+
+TEST_F(ContextTest, CtxCreate) {
+    EXPECT_EQ(VKVG_STATUS_NULL_POINTER, vkvg_status(NULL));
+
+    VkvgContext ctx = vkvg_create(NULL);
+    EXPECT_EQ(VKVG_STATUS_INVALID_SURFACE, vkvg_status(ctx));
+    vkvg_destroy(ctx);
+
+    ctx = vkvg_create(surf);
+    EXPECT_EQ(VKVG_STATUS_SUCCESS, vkvg_status(ctx));
+    EXPECT_EQ(VKVG_STATUS_SUCCESS, vkvg_device_status(dev));
+    EXPECT_EQ(VKVG_STATUS_SUCCESS, vkvg_surface_status(surf));
+
+    vkvg_destroy(ctx);
+}
+
+TEST_F(ContextTest, CtxReference) {
+    EXPECT_EQ(0, vkvg_get_reference_count(NULL));
+
+    VkvgContext ctx = vkvg_create(NULL);
+    EXPECT_EQ(0, vkvg_get_reference_count(ctx));
+
+    ctx = vkvg_create(surf);
+    EXPECT_EQ(VKVG_STATUS_SUCCESS, vkvg_status(ctx));
+    EXPECT_EQ(VKVG_STATUS_SUCCESS, vkvg_device_status(dev));
+    EXPECT_EQ(VKVG_STATUS_SUCCESS, vkvg_surface_status(surf));
+
+    EXPECT_EQ(1, vkvg_get_reference_count(ctx));
+    EXPECT_EQ(2, vkvg_surface_get_reference_count(surf));
+    EXPECT_EQ(2, vkvg_device_get_reference_count(dev));
+
+    vkvg_reference(ctx);
+    EXPECT_EQ(2, vkvg_get_reference_count(ctx));
+
+    vkvg_destroy(ctx);
+    EXPECT_EQ(1, vkvg_get_reference_count(ctx));
+
+    vkvg_destroy(ctx);
+    EXPECT_EQ(VKVG_STATUS_SUCCESS, vkvg_device_status(dev));
+    EXPECT_EQ(VKVG_STATUS_SUCCESS, vkvg_surface_status(surf));
+    EXPECT_EQ(0, vkvg_get_reference_count(ctx));
+    EXPECT_EQ(1, vkvg_surface_get_reference_count(surf));
+    EXPECT_EQ(2, vkvg_device_get_reference_count(dev));
+}