From 334ad6083b1500c55688034d306778120dc1a38c Mon Sep 17 00:00:00 2001
From: Peter Matula <peter.matula@avast.com>
Date: Tue, 12 Nov 2019 12:54:19 +0100
Subject: [PATCH] progress

---
 .../optimizations/class_hierarchy/hierarchy.h |  2 +-
 .../{config/classes.h => common/class.h}      | 39 +++++----
 include/retdec/config/config.h                |  4 +-
 include/retdec/serdes/class.h                 | 26 ++++++
 .../class_hierarchy/hierarchy.cpp             |  4 +-
 src/common/CMakeLists.txt                     |  1 +
 src/{config/classes.cpp => common/class.cpp}  | 73 +++--------------
 src/config/CMakeLists.txt                     |  1 -
 src/config/config.cpp                         |  5 +-
 src/llvmir2hll/config/configs/json_config.cpp | 13 +--
 src/serdes/CMakeLists.txt                     |  1 +
 src/serdes/class.cpp                          | 80 ++++++++++++++++++
 tests/common/CMakeLists.txt                   |  1 +
 .../class_tests.cpp}                          | 82 +------------------
 tests/config/CMakeLists.txt                   |  1 -
 tests/config/config_tests.cpp                 |  2 +-
 tests/serdes/CMakeLists.txt                   |  1 +
 tests/serdes/class_tests.cpp                  | 77 +++++++++++++++++
 18 files changed, 243 insertions(+), 170 deletions(-)
 rename include/retdec/{config/classes.h => common/class.h} (65%)
 create mode 100644 include/retdec/serdes/class.h
 rename src/{config/classes.cpp => common/class.cpp} (53%)
 create mode 100644 src/serdes/class.cpp
 rename tests/{config/classes_tests.cpp => common/class_tests.cpp} (65%)
 create mode 100644 tests/serdes/class_tests.cpp

diff --git a/include/retdec/bin2llvmir/optimizations/class_hierarchy/hierarchy.h b/include/retdec/bin2llvmir/optimizations/class_hierarchy/hierarchy.h
index ba73de76..9b1b7863 100644
--- a/include/retdec/bin2llvmir/optimizations/class_hierarchy/hierarchy.h
+++ b/include/retdec/bin2llvmir/optimizations/class_hierarchy/hierarchy.h
@@ -23,7 +23,7 @@ class Class
 {
 	public:
 		std::string dump() const;
-		retdec::config::Class getConfigClass(
+		retdec::common::Class getConfigClass(
 				llvm::Module* m,
 				Config* config) const;
 
diff --git a/include/retdec/config/classes.h b/include/retdec/common/class.h
similarity index 65%
rename from include/retdec/config/classes.h
rename to include/retdec/common/class.h
index 608da871..1a79910f 100644
--- a/include/retdec/config/classes.h
+++ b/include/retdec/common/class.h
@@ -1,19 +1,18 @@
 /**
- * @file include/retdec/config/classes.h
- * @brief Decompilation configuration manipulation: classes.
- * @copyright (c) 2017 Avast Software, licensed under the MIT license
+ * @file include/retdec/common/class.h
+ * @brief Common class representation.
+ * @copyright (c) 2019 Avast Software, licensed under the MIT license
  */
 
-#ifndef RETDEC_CONFIG_CLASSES_H
-#define RETDEC_CONFIG_CLASSES_H
+#ifndef RETDEC_COMMON_CLASS_H
+#define RETDEC_COMMON_CLASS_H
 
+#include <set>
 #include <string>
 #include <vector>
 
-#include "retdec/config/base.h"
-
 namespace retdec {
-namespace config {
+namespace common {
 
 /**
  * Represents C++ class.
@@ -22,10 +21,7 @@ namespace config {
 class Class
 {
 	public:
-		explicit Class(const std::string& className);
-		static Class fromJsonValue(const Json::Value& val);
-
-		Json::Value getJsonValue() const;
+		Class(const std::string& className = std::string());
 
 		/// @name Class get methods.
 		/// @{
@@ -42,6 +38,7 @@ class Class
 
 		/// @name Class set methods.
 		/// @{
+		void setName(const std::string& name);
 		void setDemangledName(const std::string& demangledName);
 		/// @}
 
@@ -70,12 +67,26 @@ class Class
 /**
  * A set container with classes.
  */
-class ClassContainer : public BaseSetContainer<Class>
+struct ClassCompare
 {
+	using is_transparent = void;
 
+	bool operator()(const Class& c1, const Class& c2) const
+	{
+		return c1 < c2;
+	}
+	bool operator()(const std::string& id, Class const& c) const
+	{
+		return id < c.getName();
+	}
+	bool operator()(const Class& c, const std::string& id) const
+	{
+		return c.getName() < id;
+	}
 };
+using ClassContainer = std::set<Class, ClassCompare>;
 
-} // namespace config
+} // namespace common
 } // namespace retdec
 
 #endif
diff --git a/include/retdec/config/config.h b/include/retdec/config/config.h
index e5d5b7a1..9f11321e 100644
--- a/include/retdec/config/config.h
+++ b/include/retdec/config/config.h
@@ -8,13 +8,13 @@
 #define RETDEC_CONFIG_CONFIG_H
 
 #include "retdec/common/architecture.h"
+#include "retdec/common/class.h"
 #include "retdec/common/file_format.h"
 #include "retdec/common/file_type.h"
 #include "retdec/common/language.h"
 #include "retdec/common/tool_info.h"
 #include "retdec/common/vtable.h"
 #include "retdec/config/base.h"
-#include "retdec/config/classes.h"
 #include "retdec/config/functions.h"
 #include "retdec/config/parameters.h"
 #include "retdec/config/patterns.h"
@@ -86,7 +86,7 @@ class Config
 		RegisterContainer registers;
 		TypeContainer structures;
 		common::VtableContainer vtables;
-		ClassContainer classes;
+		common::ClassContainer classes;
 		PatternContainer patterns;
 
 	private:
diff --git a/include/retdec/serdes/class.h b/include/retdec/serdes/class.h
new file mode 100644
index 00000000..e52086b8
--- /dev/null
+++ b/include/retdec/serdes/class.h
@@ -0,0 +1,26 @@
+/**
+ * @file include/retdec/serdes/class.h
+ * @brief Class (de)serialization.
+ * @copyright (c) 2019 Avast Software, licensed under the MIT license
+ */
+
+#ifndef RETDEC_SERDES_CLASS_H
+#define RETDEC_SERDES_CLASS_H
+
+#include <json/json.h>
+
+namespace retdec {
+
+namespace common {
+class Class;
+} // namespace common
+
+namespace serdes {
+
+Json::Value serialize(const common::Class& c);
+void deserialize(const Json::Value& val, common::Class& c);
+
+} // namespace serdes
+} // namespace retdec
+
+#endif
\ No newline at end of file
diff --git a/src/bin2llvmir/optimizations/class_hierarchy/hierarchy.cpp b/src/bin2llvmir/optimizations/class_hierarchy/hierarchy.cpp
index 4820cf98..44bc12f9 100644
--- a/src/bin2llvmir/optimizations/class_hierarchy/hierarchy.cpp
+++ b/src/bin2llvmir/optimizations/class_hierarchy/hierarchy.cpp
@@ -52,11 +52,11 @@ std::string Class::dump() const
 	return out.str();
 }
 
-retdec::config::Class Class::getConfigClass(
+retdec::common::Class Class::getConfigClass(
 		llvm::Module* m,
 		Config* config) const
 {
-	retdec::config::Class c(name);
+	retdec::common::Class c(name);
 
 	auto* demangler = DemanglerProvider::getDemangler(m);
 	if (demangler)
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index 8301aa58..2c7cc03e 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -3,6 +3,7 @@ add_library(retdec-common STATIC
 	address.cpp
 	architecture.cpp
 	calling_convention.cpp
+	class.cpp
 	file_format.cpp
 	file_type.cpp
 	language.cpp
diff --git a/src/config/classes.cpp b/src/common/class.cpp
similarity index 53%
rename from src/config/classes.cpp
rename to src/common/class.cpp
index a4d7ed38..008dab44 100644
--- a/src/config/classes.cpp
+++ b/src/common/class.cpp
@@ -1,30 +1,16 @@
 /**
- * @file src/config/classes.cpp
- * @brief Decompilation configuration manipulation: classes.
- * @copyright (c) 2017 Avast Software, licensed under the MIT license
+ * @file src/common/class.cpp
+ * @brief Common class representation.
+ * @copyright (c) 2019 Avast Software, licensed under the MIT license
  */
 
-#include "retdec/config/classes.h"
-#include "retdec/serdes/std.h"
+#include "retdec/common/class.h"
 #include "retdec/utils/container.h"
 
 using retdec::utils::hasItem;
 
-namespace {
-
-const std::string JSON_name           = "name";
-const std::string JSON_demangledName  = "demangledName";
-const std::string JSON_superClasses   = "superClasses";
-const std::string JSON_virtualMethods = "virtualMethods";
-const std::string JSON_constructors   = "constructors";
-const std::string JSON_destructors    = "destructors";
-const std::string JSON_methods        = "methods";
-const std::string JSON_vtables        = "virtualTables";
-
-} // anonymous namespace
-
 namespace retdec {
-namespace config {
+namespace common {
 
 //
 //=============================================================================
@@ -38,48 +24,6 @@ Class::Class(const std::string& className) :
 
 }
 
-/**
- * Reads JSON object (associative array) holding class information.
- * @param val JSON object.
- */
-Class Class::fromJsonValue(const Json::Value& val)
-{
-	checkJsonValueIsObject(val, "Class");
-
-	Class ret(safeGetString(val, JSON_name));
-
-	ret.setDemangledName(safeGetString(val, JSON_demangledName));
-	serdes::deserialize(val[JSON_superClasses], ret._superClasses);
-	serdes::deserialize(val[JSON_virtualMethods], ret.virtualMethods);
-	serdes::deserialize(val[JSON_constructors], ret.constructors);
-	serdes::deserialize(val[JSON_destructors], ret.destructors);
-	serdes::deserialize(val[JSON_methods], ret.methods);
-	serdes::deserialize(val[JSON_vtables], ret.virtualTables);
-
-	return ret;
-}
-
-/**
- * Returns JSON object (associative array) holding class information.
- * @return JSON object.
- */
-Json::Value Class::getJsonValue() const
-{
-	Json::Value val;
-
-	if (!getName().empty()) val[JSON_name] = getName();
-	if (!getDemangledName().empty()) val[JSON_demangledName] = getDemangledName();
-
-	val[JSON_superClasses]   = serdes::serialize(_superClasses);
-	val[JSON_virtualMethods] = serdes::serialize(virtualMethods);
-	val[JSON_constructors]   = serdes::serialize(constructors);
-	val[JSON_destructors]    = serdes::serialize(destructors);
-	val[JSON_methods]        = serdes::serialize(methods);
-	val[JSON_vtables]        = serdes::serialize(virtualTables);
-
-	return val;
-}
-
 /**
  * @return Class's ID is its name.
  */
@@ -103,6 +47,11 @@ const std::vector<std::string>& Class::getSuperClasses() const
 	return _superClasses;
 }
 
+void Class::setName(const std::string& name)
+{
+	_name = name;
+}
+
 void Class::setDemangledName(const std::string& demangledName)
 {
 	_demangledName = demangledName;
@@ -187,5 +136,5 @@ bool Class::operator==(const Class& o) const
 	return getName() == o.getName();
 }
 
-} // namespace config
+} // namespace common
 } // namespace retdec
diff --git a/src/config/CMakeLists.txt b/src/config/CMakeLists.txt
index 4aa4c592..b92f93d3 100644
--- a/src/config/CMakeLists.txt
+++ b/src/config/CMakeLists.txt
@@ -1,7 +1,6 @@
 
 add_library(retdec-config STATIC
 	base.cpp
-	classes.cpp
 	config.cpp
 	functions.cpp
 	objects.cpp
diff --git a/src/config/config.cpp b/src/config/config.cpp
index 7e6faaab..f8a93a85 100644
--- a/src/config/config.cpp
+++ b/src/config/config.cpp
@@ -9,6 +9,7 @@
 #include "retdec/config/config.h"
 #include "retdec/serdes/address.h"
 #include "retdec/serdes/architecture.h"
+#include "retdec/serdes/class.h"
 #include "retdec/serdes/file_format.h"
 #include "retdec/serdes/file_type.h"
 #include "retdec/serdes/language.h"
@@ -183,7 +184,7 @@ std::string Config::generateJsonString() const
 	root[JSON_registers]      = registers.getJsonValue();
 	root[JSON_structures]     = structures.getJsonValue();
 	root[JSON_vtables]        = serdes::serialize(vtables);
-	root[JSON_classes]        = classes.getJsonValue();
+	root[JSON_classes]        = serdes::serialize(classes);
 	root[JSON_patterns]       = patterns.getJsonValue();
 
 	StreamWriterBuilder builder;
@@ -257,7 +258,7 @@ void Config::readJsonString(const std::string& json)
 		registers.readJsonValue( root[JSON_registers] );
 		structures.readJsonValue( root[JSON_structures] );
 		serdes::deserialize(root[JSON_vtables], vtables);
-		classes.readJsonValue( root[JSON_classes] );
+		serdes::deserialize(root[JSON_classes], classes);
 		patterns.readJsonValue( root[JSON_patterns] );
 	}
 	catch (const InternalException& e)
diff --git a/src/llvmir2hll/config/configs/json_config.cpp b/src/llvmir2hll/config/configs/json_config.cpp
index 89c2e31a..df3402b8 100644
--- a/src/llvmir2hll/config/configs/json_config.cpp
+++ b/src/llvmir2hll/config/configs/json_config.cpp
@@ -35,8 +35,8 @@ struct JSONConfig::Impl {
 	const retdec::config::Function *getConfigFunctionByName(const std::string &name) const;
 	const retdec::config::Function &getConfigFunctionByNameOrEmptyFunction(
 		const std::string &name) const;
-	const retdec::config::Class *getConfigClassByName(const std::string &name) const;
-	const retdec::config::Class &getConfigClassByNameOrEmptyClass(
+	const retdec::common::Class *getConfigClassByName(const std::string &name) const;
+	const retdec::common::Class &getConfigClassByNameOrEmptyClass(
 		const std::string &name) const;
 	std::string getNameOfRegister(const retdec::config::Object &reg) const;
 
@@ -85,9 +85,10 @@ const retdec::config::Function &JSONConfig::Impl::getConfigFunctionByNameOrEmpty
 	return f ? *f : emptyFunction;
 }
 
-const retdec::config::Class *JSONConfig::Impl::getConfigClassByName(
+const retdec::common::Class *JSONConfig::Impl::getConfigClassByName(
 		const std::string &name) const {
-	return config.classes.getElementById(name);
+	auto it = config.classes.find(name);
+	return it != config.classes.end() ? &(*it) : nullptr;
 }
 
 std::string JSONConfig::Impl::getNameOfRegister(const retdec::config::Object &reg) const {
@@ -105,9 +106,9 @@ std::string JSONConfig::Impl::getNameOfRegister(const retdec::config::Object &re
 	return !realName.empty() ? realName : name;
 }
 
-const retdec::config::Class &JSONConfig::Impl::getConfigClassByNameOrEmptyClass(
+const retdec::common::Class &JSONConfig::Impl::getConfigClassByNameOrEmptyClass(
 		const std::string &name) const {
-	static const retdec::config::Class emptyClass(""s);
+	static const retdec::common::Class emptyClass(""s);
 	auto c = getConfigClassByName(name);
 	return c ? *c : emptyClass;
 }
diff --git a/src/serdes/CMakeLists.txt b/src/serdes/CMakeLists.txt
index 7a9d4770..5d58623b 100644
--- a/src/serdes/CMakeLists.txt
+++ b/src/serdes/CMakeLists.txt
@@ -3,6 +3,7 @@ add_library(retdec-serdes STATIC
 	address.cpp
 	architecture.cpp
 	calling_convention.cpp
+	class.cpp
 	file_format.cpp
 	file_type.cpp
 	language.cpp
diff --git a/src/serdes/class.cpp b/src/serdes/class.cpp
new file mode 100644
index 00000000..73d62096
--- /dev/null
+++ b/src/serdes/class.cpp
@@ -0,0 +1,80 @@
+/**
+ * @file src/serdes/class.h
+ * @brief Class (de)serialization.
+ * @copyright (c) 2019 Avast Software, licensed under the MIT license
+ */
+
+#include <algorithm>
+#include <vector>
+
+#include "retdec/common/class.h"
+#include "retdec/serdes/class.h"
+#include "retdec/serdes/std.h"
+
+#include "serdes/utils.h"
+
+namespace {
+
+const std::string JSON_name           = "name";
+const std::string JSON_demangledName  = "demangledName";
+const std::string JSON_superClasses   = "superClasses";
+const std::string JSON_virtualMethods = "virtualMethods";
+const std::string JSON_constructors   = "constructors";
+const std::string JSON_destructors    = "destructors";
+const std::string JSON_methods        = "methods";
+const std::string JSON_vtables        = "virtualTables";
+
+} // anonymous namespace
+
+namespace retdec {
+namespace serdes {
+
+Json::Value serialize(const common::Class& c)
+{
+	Json::Value val;
+
+	if (!c.getName().empty())
+	{
+		val[JSON_name] = c.getName();
+	}
+	if (!c.getDemangledName().empty())
+	{
+		val[JSON_demangledName] = c.getDemangledName();
+	}
+
+	val[JSON_superClasses]   = serdes::serialize(c.getSuperClasses());
+	val[JSON_virtualMethods] = serdes::serialize(c.virtualMethods);
+	val[JSON_constructors]   = serdes::serialize(c.constructors);
+	val[JSON_destructors]    = serdes::serialize(c.destructors);
+	val[JSON_methods]        = serdes::serialize(c.methods);
+	val[JSON_vtables]        = serdes::serialize(c.virtualTables);
+
+	return val;
+}
+
+void deserialize(const Json::Value& val, common::Class& c)
+{
+	if (val.isNull() || !val.isObject())
+	{
+		return;
+	}
+
+	c.setName(safeGetString(val, JSON_name));
+	c.setDemangledName(safeGetString(val, JSON_demangledName));
+
+	serdes::deserialize(val[JSON_virtualMethods], c.virtualMethods);
+	serdes::deserialize(val[JSON_constructors], c.constructors);
+	serdes::deserialize(val[JSON_destructors], c.destructors);
+	serdes::deserialize(val[JSON_methods], c.methods);
+	serdes::deserialize(val[JSON_vtables], c.virtualTables);
+
+	std::vector<std::string> superClasses;
+	serdes::deserialize(val[JSON_superClasses], superClasses);
+	for (auto& s : superClasses)
+	{
+		c.addSuperClass(s);
+	}
+}
+
+} // namespace serdes
+} // namespace retdec
diff --git a/tests/common/CMakeLists.txt b/tests/common/CMakeLists.txt
index e62affc9..b38ad0e2 100644
--- a/tests/common/CMakeLists.txt
+++ b/tests/common/CMakeLists.txt
@@ -2,6 +2,7 @@
 add_executable(retdec-tests-common
 	address_tests.cpp
 	architecture_tests.cpp
+	class_tests.cpp
 	file_format_tests.cpp
 	file_type_tests.cpp
 	language_tests.cpp
diff --git a/tests/config/classes_tests.cpp b/tests/common/class_tests.cpp
similarity index 65%
rename from tests/config/classes_tests.cpp
rename to tests/common/class_tests.cpp
index 62af4e42..a19fdb7e 100644
--- a/tests/config/classes_tests.cpp
+++ b/tests/common/class_tests.cpp
@@ -1,96 +1,22 @@
 /**
  * @file tests/config/classes_tests.cpp
  * @brief Tests for the @c classes module.
- * @copyright (c) 2017 Avast Software, licensed under the MIT license
+ * @copyright (c) 2019 Avast Software, licensed under the MIT license
  */
 
 #include <gtest/gtest.h>
 
-#include "retdec/config/classes.h"
-#include "retdec/config/config.h"
+#include "retdec/common/class.h"
 
 using namespace ::testing;
 using namespace std::string_literals;
 
 namespace retdec {
-namespace config {
+namespace common {
 namespace tests {
 
 class ClassesTests: public Test {};
 
-//
-// Parsing
-//
-
-TEST_F(ClassesTests,
-ClassesAreEmptyWhenConfigIsCreated) {
-	Config config;
-	ASSERT_TRUE(config.classes.empty());
-}
-
-TEST_F(ClassesTests,
-NoClassesAreParsedCorrectly) {
-	Config config;
-
-	config.readJsonString(R"({
-		"classes" : []
-	})");
-
-	ASSERT_TRUE(config.classes.empty());
-}
-
-TEST_F(ClassesTests,
-ClassIsParsedCorrectlyFromJSONWhenClassIsFullySpecified) {
-	Config config;
-
-	config.readJsonString(R"({
-		"classes" : [
-			{
-				"name" : "A",
-				"constructors" : [ "Actor" ],
-				"destructors" : [ "Adtor" ],
-				"methods" : [ "Amethod" ],
-				"superClasses" : [ "Asuper" ],
-				"virtualMethods" : [ "Avirtual" ],
-				"virtualTables" : [ "Avtable" ]
-			}
-		]
-	})");
-
-	ASSERT_EQ(1, config.classes.size());
-	auto cl = *config.classes.begin();
-	EXPECT_EQ("A", cl.getName());
-	EXPECT_EQ(std::set<std::string>({"Actor"}), cl.constructors);
-	EXPECT_EQ(std::set<std::string>({"Adtor"}), cl.destructors);
-	EXPECT_EQ(std::set<std::string>({"Amethod"}), cl.methods);
-	EXPECT_EQ(std::vector<std::string>({"Asuper"}), cl.getSuperClasses());
-	EXPECT_EQ(std::set<std::string>({"Avirtual"}), cl.virtualMethods);
-	EXPECT_EQ(std::set<std::string>({"Avtable"}), cl.virtualTables);
-}
-
-TEST_F(ClassesTests,
-ClassIsParsedCorrectlyFromJSONWhenClassHasOnlyNameSpecified) {
-	Config config;
-
-	config.readJsonString(R"({
-		"classes" : [
-			{
-				"name" : "A"
-			}
-		]
-	})");
-
-	ASSERT_EQ(1, config.classes.size());
-	auto cl = *config.classes.begin();
-	EXPECT_EQ("A", cl.getName());
-	EXPECT_TRUE(cl.constructors.empty());
-	EXPECT_TRUE(cl.destructors.empty());
-	EXPECT_TRUE(cl.methods.empty());
-	EXPECT_TRUE(cl.getSuperClasses().empty());
-	EXPECT_TRUE(cl.virtualMethods.empty());
-	EXPECT_TRUE(cl.virtualTables.empty());
-}
-
 //
 // hasConstructor()
 //
@@ -267,5 +193,5 @@ AddSuperClassDoesNotAddSameSuperclassTwice) {
 }
 
 } // namespace tests
-} // namespace config
+} // namespace common
 } // namespace retdec
diff --git a/tests/config/CMakeLists.txt b/tests/config/CMakeLists.txt
index 84262450..56c7dcbd 100644
--- a/tests/config/CMakeLists.txt
+++ b/tests/config/CMakeLists.txt
@@ -1,7 +1,6 @@
 
 add_executable(retdec-tests-config
 	base_tests.cpp
-	classes_tests.cpp
 	documentation_tests.cpp
 	functions_tests.cpp
 	objects_tests.cpp
diff --git a/tests/config/config_tests.cpp b/tests/config/config_tests.cpp
index 48273075..ae8ff08b 100644
--- a/tests/config/config_tests.cpp
+++ b/tests/config/config_tests.cpp
@@ -77,7 +77,7 @@ TEST_F(ConfigTests, SuccessfulReadJsonStringResetsAllConfigData)
 
 TEST_F(ConfigTests, ClassesGetElementByIdReturnsNullPointerWhenThereIsNoSuchClass)
 {
-	ASSERT_EQ(nullptr, config.classes.getElementById("ClassName"));
+	ASSERT_EQ(config.classes.end(), config.classes.find("ClassName"));
 }
 
 } // namespace tests
diff --git a/tests/serdes/CMakeLists.txt b/tests/serdes/CMakeLists.txt
index 8cba8c62..57e490c8 100644
--- a/tests/serdes/CMakeLists.txt
+++ b/tests/serdes/CMakeLists.txt
@@ -1,6 +1,7 @@
 
 add_executable(retdec-tests-serdes
 	calling_convention_tests.cpp
+	class_tests.cpp
 )
 target_link_libraries(retdec-tests-serdes
 	retdec-serdes
diff --git a/tests/serdes/class_tests.cpp b/tests/serdes/class_tests.cpp
new file mode 100644
index 00000000..269a52f6
--- /dev/null
+++ b/tests/serdes/class_tests.cpp
@@ -0,0 +1,77 @@
+/**
+ * @file tests/serdes/classe_tests.cpp
+ * @brief Tests for the @c classes module.
+ * @copyright (c) 2017 Avast Software, licensed under the MIT license
+ */
+
+#include <gtest/gtest.h>
+#include <json/json.h>
+
+#include "retdec/common/class.h"
+#include "retdec/serdes/class.h"
+
+using namespace ::testing;
+
+namespace retdec {
+namespace serdes {
+namespace tests {
+
+class ClassTests : public Test
+{
+	protected:
+		common::Class cl;
+};
+
+TEST_F(ClassTests, ClassIsParsedCorrectlyFromJSONWhenClassIsFullySpecified)
+{
+	std::istringstream input(R"({
+			"name" : "A",
+			"constructors" : [ "Actor" ],
+			"destructors" : [ "Adtor" ],
+			"methods" : [ "Amethod" ],
+			"superClasses" : [ "Asuper" ],
+			"virtualMethods" : [ "Avirtual" ],
+			"virtualTables" : [ "Avtable" ]
+	})");
+	Json::Value val;
+	std::string errs;
+	Json::CharReaderBuilder rbuilder;
+	bool success = Json::parseFromStream(rbuilder, input, &val, &errs);
+	ASSERT_TRUE(success);
+
+	deserialize(val, cl);
+
+	EXPECT_EQ("A", cl.getName());
+	EXPECT_EQ(std::set<std::string>({"Actor"}), cl.constructors);
+	EXPECT_EQ(std::set<std::string>({"Adtor"}), cl.destructors);
+	EXPECT_EQ(std::set<std::string>({"Amethod"}), cl.methods);
+	EXPECT_EQ(std::vector<std::string>({"Asuper"}), cl.getSuperClasses());
+	EXPECT_EQ(std::set<std::string>({"Avirtual"}), cl.virtualMethods);
+	EXPECT_EQ(std::set<std::string>({"Avtable"}), cl.virtualTables);
+}
+
+TEST_F(ClassTests, ClassIsParsedCorrectlyFromJSONWhenClassHasOnlyNameSpecified)
+{
+	std::istringstream input(R"({
+			"name" : "A"
+	})");
+	Json::Value val;
+	std::string errs;
+	Json::CharReaderBuilder rbuilder;
+	bool success = Json::parseFromStream(rbuilder, input, &val, &errs);
+	ASSERT_TRUE(success);
+
+	deserialize(val, cl);
+
+	EXPECT_EQ("A", cl.getName());
+	EXPECT_TRUE(cl.constructors.empty());
+	EXPECT_TRUE(cl.destructors.empty());
+	EXPECT_TRUE(cl.methods.empty());
+	EXPECT_TRUE(cl.getSuperClasses().empty());
+	EXPECT_TRUE(cl.virtualMethods.empty());
+	EXPECT_TRUE(cl.virtualTables.empty());
+}
+
+} // namespace tests
+} // namespace serdes
+} // namespace retdec