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/*******************************************************************\
Module: Unit tests for converting constructors and static initializers
Author: Diffblue Limited.
\*******************************************************************/
#include <testing-utils/use_catch.h>
#include <util/symbol_table.h>
#include <java-testing-utils/load_java_class.h>
#include <java-testing-utils/require_type.h>
struct test_datat
{
symbol_tablet symbol_table;
std::string constructor_descriptor;
};
/// Verify that a given descriptor is marked as a constructor in the symbol
/// table
/// \param test_data: The data to run the test on
void require_is_constructor(const test_datat &test_data)
{
const symbolt &constructor =
test_data.symbol_table.lookup_ref(test_data.constructor_descriptor);
THEN("The constructor should be marked as a constructor")
{
java_method_typet constructor_type =
require_type::require_java_method(constructor.type);
REQUIRE(constructor_type.get_is_constructor());
}
}
/// Verify that a given descriptor is not marked as a constructor in the symbol
/// table
/// \param test_data: The data to run the test on
void require_is_static_initializer(const test_datat &test_data)
{
REQUIRE(
test_data.constructor_descriptor.find("<clinit>") != std::string::npos);
const symbolt &constructor =
test_data.symbol_table.lookup_ref(test_data.constructor_descriptor);
THEN("The constructor should be marked as a constructor")
{
java_method_typet constructor_type =
require_type::require_java_method(constructor.type);
REQUIRE_FALSE(constructor_type.get_is_constructor());
}
}
SCENARIO(
"java_bytecode_convert_initalizers",
"[core][java_bytecode][java_bytecode_convert_method]")
{
GIVEN("A class with some constructors")
{
const symbol_tablet symbol_table = load_java_class(
"ClassWithConstructors", "./java_bytecode/java_bytecode_convert_method");
std::string base_constructor_name = "java::ClassWithConstructors.<init>";
WHEN("Looking at the parameterless constructor")
{
test_datat data;
data.constructor_descriptor = base_constructor_name + ":()V";
data.symbol_table = symbol_table;
require_is_constructor(data);
}
WHEN("Looking at the parametered constructor")
{
test_datat data;
data.constructor_descriptor =
base_constructor_name + ":(ILjava/lang/Object;LOpaqueClass;)V";
data.symbol_table = symbol_table;
require_is_constructor(data);
}
}
GIVEN("A class without any constructors")
{
const symbol_tablet symbol_table = load_java_class(
"ClassWithoutConstructors",
"./java_bytecode/java_bytecode_convert_method");
std::string base_constructor_name = "java::ClassWithoutConstructors.<init>";
WHEN("Looking at the default constructor")
{
test_datat data;
data.constructor_descriptor = base_constructor_name + ":()V";
data.symbol_table = symbol_table;
require_is_constructor(data);
}
}
GIVEN("A class with both constructors and static initalisers")
{
const symbol_tablet symbol_table = load_java_class(
"ClassWithStaticConstructor",
"./java_bytecode/java_bytecode_convert_method");
std::string base_class_name = "java::ClassWithStaticConstructor.";
std::string base_constructor_name = base_class_name + "<init>";
WHEN("Looking at the parameterless constructor")
{
test_datat data;
data.constructor_descriptor = base_constructor_name + ":()V";
data.symbol_table = symbol_table;
require_is_constructor(data);
}
WHEN("Looking at the parametered constructor")
{
test_datat data;
data.constructor_descriptor =
base_constructor_name + ":(ILjava/lang/Object;LOpaqueClass;)V";
data.symbol_table = symbol_table;
require_is_constructor(data);
}
WHEN("Looking at the static initalizer")
{
THEN("The static init should not be marked as a constructor")
{
test_datat data;
data.constructor_descriptor = base_class_name + "<clinit>:()V";
data.symbol_table = symbol_table;
require_is_static_initializer(data);
}
}
}
GIVEN("A class with a static initalizer calling an opaque static initalizer")
{
const symbol_tablet symbol_table = load_java_class(
"StaticClassUsingOpaqueStaticConstructor",
"./java_bytecode/java_bytecode_convert_method");
std::string base_class_name =
"java::StaticClassUsingOpaqueStaticConstructor.";
std::string base_constructor_name = base_class_name + "<init>";
WHEN("Looking at the default constructor")
{
test_datat data;
data.constructor_descriptor = base_constructor_name + ":()V";
data.symbol_table = symbol_table;
require_is_constructor(data);
}
WHEN("Looking at the static initalizer")
{
THEN("The static init should not be marked as a constructor")
{
test_datat data;
data.constructor_descriptor = base_class_name + "<clinit>:()V";
data.symbol_table = symbol_table;
require_is_static_initializer(data);
}
}
}
GIVEN("A class with a constructor calling opaque static initalizer")
{
const symbol_tablet symbol_table = load_java_class(
"ClassUsingOpaqueStaticConstructor",
"./java_bytecode/java_bytecode_convert_method");
std::string base_class_name = "java::ClassUsingOpaqueStaticConstructor.";
std::string base_constructor_name = base_class_name + "<init>";
WHEN("Looking at the parameterless constructor")
{
test_datat data;
data.constructor_descriptor = base_constructor_name + ":()V";
data.symbol_table = symbol_table;
require_is_constructor(data);
}
WHEN("Looking at the static initalizer for the opaque class")
{
THEN("The static init should not be marked as a constructor")
{
test_datat data;
data.constructor_descriptor = "java::OpaqueClass.<clinit>:()V";
data.symbol_table = symbol_table;
require_is_static_initializer(data);
}
}
}
GIVEN("A class with a constructor calling opaque constructor")
{
const symbol_tablet symbol_table = load_java_class(
"DummyClassLoadingOpaqueClass",
"./java_bytecode/java_bytecode_convert_method");
std::string base_class_name = "java::DummyClassLoadingOpaqueClass.";
std::string base_constructor_name = base_class_name + "<init>";
const symbolt &opaque_class_symbol =
symbol_table.lookup_ref("java::OpaqueClass");
REQUIRE(to_java_class_type(opaque_class_symbol.type).get_is_stub());
WHEN("Looking at the parameterless constructor")
{
test_datat data;
data.constructor_descriptor = base_constructor_name + ":()V";
data.symbol_table = symbol_table;
require_is_constructor(data);
}
WHEN("Looking at the static initalizer for the opaque class")
{
THEN("The static init should not be marked as a constructor")
{
test_datat data;
data.constructor_descriptor = "java::OpaqueClass.<clinit>:()V";
data.symbol_table = symbol_table;
require_is_static_initializer(data);
}
}
WHEN("Looking at the constructor for the opaque class")
{
THEN("The static init should not be marked as a constructor")
{
test_datat data;
data.constructor_descriptor = "java::OpaqueClass.<init>:()V";
data.symbol_table = symbol_table;
require_is_constructor(data);
}
}
}
}
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