From ebfc6845660c082a61f32b60903808910e39251c Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sat, 5 Aug 2023 18:48:59 +0100
Subject: WIP perf tests

---
 slicer/test/Jamfile.jam | 29 ++++++++++++++++++
 slicer/test/perf.cpp    | 81 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 110 insertions(+)
 create mode 100644 slicer/test/perf.cpp

diff --git a/slicer/test/Jamfile.jam b/slicer/test/Jamfile.jam
index 8fd70a5..6fcffa0 100644
--- a/slicer/test/Jamfile.jam
+++ b/slicer/test/Jamfile.jam
@@ -3,6 +3,7 @@ import ./slicer.jam ;
 lib dl ;
 lib stdc++fs ;
 lib boost_date_time ;
+lib benchmark ;
 
 lib icetypes :
 	[ glob *.ice ]
@@ -111,3 +112,31 @@ run streams.cpp
 	<library>../json//slicer-json
 	;
 
+run
+	[ obj perf : perf.cpp :
+		<slicer>pure
+		<define>ROOT=\"$(me)\"
+		<use>types
+		<implicit-dependency>types
+		<use>benchmark
+		<use>stdc++fs
+		<use>..//adhocutil
+		<use>common
+		<use>../slicer//slicer
+		<implicit-dependency>../slicer//slicer
+		<use>../xml//slicer-xml
+		<use>../json//slicer-json
+	]
+	: : :
+	<library>benchmark
+	<library>stdc++fs
+	<library>common
+	<library>types
+	<library>../slicer//slicer
+	<implicit-dependency>../slicer//slicer
+	<library>../xml//slicer-xml
+	<library>../json//slicer-json
+	<library>..//adhocutil
+	<variant>profile:<testing.execute>on
+	<testing.execute>off
+	: perf ;
diff --git a/slicer/test/perf.cpp b/slicer/test/perf.cpp
new file mode 100644
index 0000000..0ea775b
--- /dev/null
+++ b/slicer/test/perf.cpp
@@ -0,0 +1,81 @@
+#include <benchmark/benchmark.h>
+#include <definedDirs.h>
+#include <enums.h>
+#include <json.h>
+#include <json/serializer.h>
+#include <locals.h>
+#include <optionals.h>
+#include <slicer/slicer.h>
+#include <xml.h>
+#include <xml/serializer.h>
+// Must go last
+#include <libxml++/parsers/domparser.h>
+
+class CoreFixture : public benchmark::Fixture {
+protected:
+	template<typename Deserializer, typename T, typename... Args>
+	void
+	runDeserialize(benchmark::State & state, Args &&... args)
+	{
+		for (auto _ : state) {
+			benchmark::DoNotOptimize(Slicer::DeserializeAny<Deserializer, T>(std::forward<Args>(args)...));
+		}
+	}
+};
+
+struct JsonValueFromFile : public json::Value {
+	explicit JsonValueFromFile(const std::filesystem::path & path) :
+		json::Value {[&path] {
+			std::ifstream in {path};
+			return json::parseValue(in);
+		}()}
+	{
+	}
+};
+
+#define DESERIALIZE_TEST(name, type, ds, ext, obj, suf) \
+	BENCHMARK_F(CoreFixture, name##_##ext)(benchmark::State & state) \
+	{ \
+		obj dom {rootDir / "initial/" #name "." #ext}; \
+		runDeserialize<ds, type>(state, dom suf); \
+	}
+
+#define XML_DESERIALIZE_TEST(name, type) \
+	DESERIALIZE_TEST(name, type, Slicer::XmlDocumentDeserializer, xml, xmlpp::DomParser, .get_document())
+XML_DESERIALIZE_TEST(attributemap, TestXml::Maps);
+XML_DESERIALIZE_TEST(bare, TestXml::BareContainers);
+XML_DESERIALIZE_TEST(someenums, TestModule::SomeEnumsPtr);
+XML_DESERIALIZE_TEST(enum, TestModule::SomeNumbers);
+XML_DESERIALIZE_TEST(elementmap, TestXml::Maps);
+XML_DESERIALIZE_TEST(builtins, TestModule::BuiltInsPtr);
+XML_DESERIALIZE_TEST(entityref, TestXml::EntityRef);
+XML_DESERIALIZE_TEST(int, int);
+XML_DESERIALIZE_TEST(isodate, TestModule::IsoDate);
+XML_DESERIALIZE_TEST(seqOfClass, TestModule::Classes);
+XML_DESERIALIZE_TEST(simpleArray2, TestModule::SimpleSeq);
+XML_DESERIALIZE_TEST(string, std::string);
+XML_DESERIALIZE_TEST(struct, TestModule::StructType);
+XML_DESERIALIZE_TEST(xmlattr, TestModule::ClassClassPtr);
+#undef XML_DESERIALIZE_TEST
+
+#define JSON_DESERIALIZE_TEST(name, type) \
+	DESERIALIZE_TEST(name, type, Slicer::JsonValueDeserializer, json, JsonValueFromFile, )
+JSON_DESERIALIZE_TEST(builtins2, TestModule::BuiltInsPtr);
+JSON_DESERIALIZE_TEST(builtins3, TestModule::BuiltInsPtr);
+JSON_DESERIALIZE_TEST(localClass, Locals::LocalClassPtr);
+JSON_DESERIALIZE_TEST(localSubClass, Locals::LocalSubClassPtr);
+JSON_DESERIALIZE_TEST(localSub2Class, Locals::LocalSub2ClassPtr);
+JSON_DESERIALIZE_TEST(objectmap, TestJson::Properties);
+JSON_DESERIALIZE_TEST(objectmapMember, TestJson::HasProperitiesPtr);
+JSON_DESERIALIZE_TEST(optionals2, TestModule::Optionals2Ptr);
+JSON_DESERIALIZE_TEST(optionals3, TestModule::Optionals2Ptr);
+JSON_DESERIALIZE_TEST(optionals5, TestModule::Optionals2Ptr);
+JSON_DESERIALIZE_TEST(seqOfClass2, TestModule::Classes);
+JSON_DESERIALIZE_TEST(simpleArray1, TestModule::SimpleSeq);
+JSON_DESERIALIZE_TEST(string2, std::string);
+JSON_DESERIALIZE_TEST(struct2, TestModule::StructType);
+#undef JSON_DESERIALIZE_TEST
+
+#undef DESERIALIZE_TEST
+
+BENCHMARK_MAIN();
-- 
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