Add tests from string_view

Author: jimmyjxiao

tests/string_view.cc

@@ -0,0 +1,26 @@
+#include <iostream>
+#include <cstdlib>
+#include <sqlite_modern_cpp.h>
+#include <catch.hpp>
+
+
+#ifdef MODERN_SQLITE_STRINGVIEW_SUPPORT
+#include <string_view>
+
+using namespace sqlite;
+using namespace std;
+TEST_CASE("std::string_view works", "[string_view]") {
+	database db(":memory:");;
+	db << "CREATE TABLE foo (a integer, b string);\n";
+	const std::string_view test1 = "null terminated string view";
+	db << "INSERT INTO foo VALUES (?, ?)" << 1 << test1;
+	std::string str;
+	db << "SELECT b from FOO where a=?;" << 1 >> str;
+	REQUIRE(test1 == str);
+	const char s[] = "hello world";
+	std::string_view test2(&s[0], 2);
+	db << "INSERT INTO foo VALUES (?,?)" << 2 << test2;
+	db << "SELECT b from FOO where a=?" << 2 >> str;
+	REQUIRE(str == "he");
+}
+#endif