Merge commit '6bee8866de99a602039feef463c22c972f0f86aa' as 'third_party/vtzero'

third_party/vtzero/test/include/test.hpp

@@ -0,0 +1,37 @@
+#ifndef TEST_HPP
+#define TEST_HPP
+
+#include <catch.hpp>
+
+#include <stdexcept>
+
+// Define vtzero_assert() to throw this error. This allows the tests to
+// check that the assert fails.
+struct assert_error : public std::runtime_error {
+    explicit assert_error(const char* what_arg) : std::runtime_error(what_arg) {
+    }
+};
+
+#define vtzero_assert(x) if (!(x)) { throw assert_error{#x}; }
+
+#define vtzero_assert_in_noexcept_function(x) if (!(x)) { got_an_assert = true; }
+
+extern bool got_an_assert;
+
+#define REQUIRE_ASSERT(x) x; REQUIRE(got_an_assert); got_an_assert = false;
+
+#include <vtzero/output.hpp>
+
+std::string load_test_tile();
+
+struct mypoint {
+    int64_t p1;
+    int64_t p2;
+};
+
+inline vtzero::point create_vtzero_point(mypoint p) noexcept {
+    return {static_cast<int32_t>(p.p1),
+            static_cast<int32_t>(p.p2)};
+}
+
+#endif // TEST_HPP