ctor_dtor_test.cpp File Reference

#include <cpu_io.h>
#include <cstdint>
#include "arch.h"
#include "basic_info.hpp"
#include "kernel.h"
#include "kstd_cstring"
#include "kstd_libcxx.h"
#include "system_test.h"

Include dependency graph for ctor_dtor_test.cpp:

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Classes
class	TestStaticConstructDestruct< V >
class	AbsClass
class	InsClass

Functions
auto	ctor_dtor_test () -> bool

Variables
static int	global_value_with_init = 42
static uint32_t	global_u32_value_with_init {0xa1a2a3a4UL}
static uint64_t	global_u64_value_with_init {0xb1b2b3b4b5b6b7b8ULL}
static uint16_t	global_u16_value_with_init {0x1234}
static uint8_t	global_u8a_value_with_init {0x42}
static uint8_t	global_u8b_value_with_init {0x43}
static uint8_t	global_u8c_value_with_init {0x44}
static uint8_t	global_u8d_value_with_init {0x45}
static volatile bool	global_bool_keep_running {true}
static unsigned int	global_value1_with_constructor = 1
static unsigned int	global_value2_with_constructor = 2
static TestStaticConstructDestruct< 0x200 >	constructor_destructor_1 (global_value1_with_constructor)
static TestStaticConstructDestruct< 0x200 >	constructor_destructor_2 (global_value2_with_constructor)
static TestStaticConstructDestruct< 0x100000 >	constructor_destructor_3
static TestStaticConstructDestruct< 0x100000 >	constructor_destructor_4
static int	g_dtor_count = 0

Function Documentation

ctor_dtor_test()

auto ctor_dtor_test

(

)

-> bool

Definition at line 63 of file ctor_dtor_test.cpp.

                              {
#ifdef __aarch64__
  cpu_io::SetupFpu();
#endif
 
  klog::Info("Running C++ Runtime Tests...");
 
  // 1. Verify Global Initialization
  EXPECT_EQ(global_value_with_init, 42, "Global int init");
  EXPECT_EQ(global_u32_value_with_init, 0xa1a2a3a4UL, "Global uint32 init");
  EXPECT_EQ(global_u64_value_with_init, 0xb1b2b3b4b5b6b7b8ULL,
            "Global uint64 init");
  EXPECT_EQ(global_u16_value_with_init, 0x1234, "Global uint16 init");
  EXPECT_EQ(global_u8a_value_with_init, 0x42, "Global uint8 a init");
  EXPECT_EQ(global_u8b_value_with_init, 0x43, "Global uint8 b init");
  EXPECT_EQ(global_u8c_value_with_init, 0x44, "Global uint8 c init");
  EXPECT_EQ(global_u8d_value_with_init, 0x45, "Global uint8 d init");
 
  // 2. Verify Global Constructors
  // global_value1_with_constructor was initialized to 1
  // constructor_destructor_1 adds 0x200
  // constructor_destructor_4 adds 0x100000
  // Expected: 1 | 0x200 | 0x100000 = 0x100201 (1049089)
  unsigned int expected_v1 = 1 | 0x200 | 0x100000;
  EXPECT_EQ(global_value1_with_constructor, expected_v1,
            "Global constructor execution 1");
 
  unsigned int expected_v2 = 2 | 0x200 | 0x100000;
  EXPECT_EQ(global_value2_with_constructor, expected_v2,
            "Global constructor execution 2");
 
  // 3. Verify Class Member, Virtual Function, and Stack Object Destructor
  int start_dtor = g_dtor_count;
  {
    auto inst_class = InsClass();
    EXPECT_EQ(inst_class.val, 'B', "Class constructor body");
    inst_class.Func();
    EXPECT_EQ(inst_class.val, 'C', "Virtual function dispatch");
  }
  EXPECT_EQ(g_dtor_count, start_dtor + 1,
            "Stack object destructor verification");
 
  // 4. Verify Static Local Variable
  static InsClass inst_class_static;
  EXPECT_TRUE(inst_class_static.val == 'B' || inst_class_static.val == 'C',
              "Static local object constructor/persistence");
  inst_class_static.Func();
  EXPECT_EQ(inst_class_static.val, 'C', "Static local object virtual func");
 
  klog::Info("PASS: All C++ Runtime Tests passed.");
 
  return true;
}

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Variable Documentation

constructor_destructor_1

TestStaticConstructDestruct< 0x200 > constructor_destructor_1(global_value1_with_constructor) ( global_value1_with_constructor  )

static

constructor_destructor_2

TestStaticConstructDestruct< 0x200 > constructor_destructor_2(global_value2_with_constructor) ( global_value2_with_constructor  )

static

constructor_destructor_3

TestStaticConstructDestruct<0x100000> constructor_destructor_3

static

Initial value:

{
    global_value2_with_constructor}

Definition at line 43 of file ctor_dtor_test.cpp.

                                                                     {
    global_value2_with_constructor};

constructor_destructor_4

TestStaticConstructDestruct<0x100000> constructor_destructor_4

static

Initial value:

{
    global_value1_with_constructor}

Definition at line 45 of file ctor_dtor_test.cpp.

                                                                     {
    global_value1_with_constructor};

g_dtor_count

int g_dtor_count = 0

static

Definition at line 48 of file ctor_dtor_test.cpp.

global_bool_keep_running

volatile bool global_bool_keep_running {true}

static

Definition at line 34 of file ctor_dtor_test.cpp.

{true};

global_u16_value_with_init

uint16_t global_u16_value_with_init {0x1234}

static

Definition at line 29 of file ctor_dtor_test.cpp.

{0x1234};

global_u32_value_with_init

uint32_t global_u32_value_with_init {0xa1a2a3a4UL}

static

Definition at line 27 of file ctor_dtor_test.cpp.

{0xa1a2a3a4UL};

global_u64_value_with_init

uint64_t global_u64_value_with_init {0xb1b2b3b4b5b6b7b8ULL}

static

Definition at line 28 of file ctor_dtor_test.cpp.

{0xb1b2b3b4b5b6b7b8ULL};

global_u8a_value_with_init

uint8_t global_u8a_value_with_init {0x42}

static

Definition at line 30 of file ctor_dtor_test.cpp.

{0x42};

global_u8b_value_with_init

uint8_t global_u8b_value_with_init {0x43}

static

Definition at line 31 of file ctor_dtor_test.cpp.

{0x43};

global_u8c_value_with_init

uint8_t global_u8c_value_with_init {0x44}

static

Definition at line 32 of file ctor_dtor_test.cpp.

{0x44};

global_u8d_value_with_init

uint8_t global_u8d_value_with_init {0x45}

static

Definition at line 33 of file ctor_dtor_test.cpp.

{0x45};

global_value1_with_constructor

unsigned int global_value1_with_constructor = 1

static

Definition at line 36 of file ctor_dtor_test.cpp.

global_value2_with_constructor

unsigned int global_value2_with_constructor = 2

static

Definition at line 37 of file ctor_dtor_test.cpp.

global_value_with_init

int global_value_with_init = 42

static

Definition at line 26 of file ctor_dtor_test.cpp.