Added unit tests for new function on statements.

tests/Statement_test.cpp

@@ -918,6 +918,29 @@ TEST(Statement, getName)
 #endif
 }
 
+TEST(Statement, getDeclaredType)
+{
+    // Create a new database
+    SQLite::Database db(":memory:", SQLite::OPEN_READWRITE | SQLite::OPEN_CREATE);
+    EXPECT_EQ(0, db.exec("CREATE TABLE test (id INTEGER PRIMARY KEY, msg TEXT, value DOUBLE)"));
+    
+    SQLite::Statement query(db, "SELECT * FROM test");
+    
+    const std::string decltype0 = query.getDeclaredType(0);
+    const std::string decltype1 = query.getDeclaredType(1);
+    const std::string decltype2 = query.getDeclaredType(2);
+    EXPECT_EQ("INTEGER", decltype0);
+    EXPECT_EQ("TEXT", decltype1);
+    EXPECT_EQ("DOUBLE", decltype2);
+
+    // Index out of bounds.
+    EXPECT_THROW(query.getDeclaredType(3), SQLite::Exception);
+
+    // Not a SELECT statement.
+    SQLite::Statement insert(db, "INSERT INTO test VALUES (1, 'Hello', 3.1415)");
+    EXPECT_THROW(insert.getDeclaredType(0), SQLite::Exception);
+}
+
 #if __cplusplus >= 201402L || (defined(_MSC_VER) && _MSC_VER >= 1900)
 TEST(Statement, getColumns)
 {