static_handler: implement basic version
Implement basic version that simply caches the information written to
it. Later, error conditions will need addressing.
Change-Id: Ife27b72a6a685e500a0a16c55975c9f4469b206a
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/test/static_handler_unittest.cpp b/test/static_handler_unittest.cpp
new file mode 100644
index 0000000..4fda33d
--- /dev/null
+++ b/test/static_handler_unittest.cpp
@@ -0,0 +1,58 @@
+#include "static_handler.hpp"
+
+#include <cstdint>
+#include <cstdio>
+#include <fstream>
+#include <vector>
+
+#include <gtest/gtest.h>
+
+namespace blobs
+{
+
+static constexpr auto TESTPATH = "test.output";
+
+class StaticHandlerOpenTest : public ::testing::Test
+{
+ protected:
+ void TearDown() override
+ {
+ (void)std::remove(TESTPATH);
+ }
+};
+
+TEST_F(StaticHandlerOpenTest, VerifyItIsHappy)
+{
+ /* Opening a fail may create it? */
+
+ StaticLayoutHandler handler(TESTPATH);
+ EXPECT_TRUE(handler.open(""));
+
+ /* Calling open twice fails the second time. */
+ EXPECT_FALSE(handler.open(""));
+}
+
+TEST_F(StaticHandlerOpenTest, VerifyWriteDataWrites)
+{
+ /* Verify writing bytes writes them... flushing data can be an issue here,
+ * so we close first.
+ */
+ StaticLayoutHandler handler(TESTPATH);
+ EXPECT_TRUE(handler.open(""));
+
+ std::vector<std::uint8_t> bytes = {0x01, 0x02};
+ std::uint32_t offset = 0;
+
+ EXPECT_TRUE(handler.write(offset, bytes));
+ handler.close();
+
+ std::ifstream data;
+ data.open(TESTPATH, std::ios::binary);
+ char expectedBytes[2];
+ data.read(&expectedBytes[0], sizeof(expectedBytes));
+ EXPECT_EQ(expectedBytes[0], bytes[0]);
+ EXPECT_EQ(expectedBytes[1], bytes[1]);
+ /* annoyingly the memcmp was failing... but it's the same data. */
+}
+
+} // namespace blobs