Fixed whitespace issue in typing sections and added test cases.

lib/pddlparse/tests/TestIssues.cpp

@@ -0,0 +1,34 @@
+#include <catch.hpp>
+
+#include <experimental/filesystem>
+
+#include <pddlparse/AST.h>
+#include <pddlparse/Parse.h>
+
+namespace fs = std::experimental::filesystem;
+
+const pddl::Context::WarningCallback ignoreWarnings = [](const auto &, const auto &warning){std::cout << warning << std::endl;};
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+
+TEST_CASE("[PDDL parser issues] Check past issues", "[PDDL parser issues]")
+{
+	pddl::Tokenizer tokenizer;
+	pddl::Context context(std::move(tokenizer), ignoreWarnings);
+
+	// Check that no infinite loop occurs
+	SECTION("“either” in typing section")
+	{
+		const auto domainFile = fs::path("data") / "issues" / "issue-7.pddl";
+		context.tokenizer.read(domainFile);
+		CHECK_THROWS(pddl::parseDescription(context));
+	}
+
+	// Check that whitespace is correctly ignored in type section
+	SECTION("whitespace in typing section")
+	{
+		const auto domainFile = fs::path("data") / "issues" / "issue-8.pddl";
+		context.tokenizer.read(domainFile);
+		CHECK_NOTHROW(pddl::parseDescription(context));
+	}
+}