Add and parse cpp_static_assert

test/CMakeLists.txt

@@ -22,6 +22,7 @@ set(tests
         cpp_member_variable.cpp
         cpp_namespace.cpp
         cpp_preprocessor.cpp
+        cpp_static_assert.cpp
         cpp_template_parameter.cpp
         cpp_type_alias.cpp
         cpp_variable.cpp)

test/cpp_static_assert.cpp

@@ -0,0 +1,47 @@
+// Copyright (C) 2017 Jonathan Müller <jonathanmueller.dev@gmail.com>
+// This file is subject to the license terms in the LICENSE file
+// found in the top-level directory of this distribution.
+
+#include <cppast/cpp_static_assert.hpp>
+
+#include "test_parser.hpp"
+
+using namespace cppast;
+
+TEST_CASE("cpp_static_assert")
+{
+    auto code = R"(
+/// static_assert(true,"");
+static_assert(true, "");
+/// static_assert(true||false,"a");
+static_assert(true || false, "a");
+
+template <bool B>
+struct foo
+{
+    /// static_assert(!B,"b");
+    static_assert(!B, "b");
+};
+)";
+
+    cpp_entity_index idx;
+    auto             file = parse(idx, "cpp_static_assert.cpp", code);
+    auto count = test_visit<cpp_static_assert>(*file, [&](const cpp_static_assert& assert) {
+        auto bool_t = cpp_builtin_type::build(cpp_builtin_type_kind::cpp_bool);
+
+        REQUIRE(assert.name().empty());
+        if (assert.message() == "")
+            REQUIRE(equal_expressions(assert.expression(),
+                                      *cpp_literal_expression::build(std::move(bool_t), "true")));
+        else if (assert.message() == "a")
+            REQUIRE(equal_expressions(assert.expression(),
+                                      *cpp_unexposed_expression::build(std::move(bool_t),
+                                                                       "true||false")));
+        else if (assert.message() == "b")
+            REQUIRE(equal_expressions(assert.expression(),
+                                      *cpp_unexposed_expression::build(std::move(bool_t), "!B")));
+        else
+            REQUIRE(false);
+    });
+    REQUIRE(count == 3u);
+}