mirror of
https://github.com/meekrosoft/fff
synced 2026-01-23 16:35:59 +01:00
150 lines
3.6 KiB
C++
150 lines
3.6 KiB
C++
extern "C"{
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#include "UI.h"
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#include "SYSTEM.h"
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#include "DISPLAY.h"
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}
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#include "../fff.h"
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#include <gtest/gtest.h>
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/* SYSTEM.h */
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FAKE_VOID_FUNC2(SYSTEM_register_irq, irq_func_t, unsigned int);
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/* DISPLAY.h */
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FAKE_VOID_FUNC0(DISPLAY_init);
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FAKE_VOID_FUNC0(DISPLAY_clear);
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FAKE_VOID_FUNC1(DISPLAY_output, char *);
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FAKE_VALUE_FUNC0(unsigned int, DISPLAY_get_line_capacity);
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FAKE_VALUE_FUNC0(unsigned int, DISPLAY_get_line_insert_index);
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FAKE_VOID_FUNC0(button_press_cbk);
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class UITests : public testing::Test
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{
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public:
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void SetUp()
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{
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// Register resets
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RESET_FAKES();
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RESET_HISTORY();
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// non default init
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DISPLAY_get_line_capacity_return_val = 2;
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}
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};
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/* Tests go here */
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TEST_F(UITests, init_will_initialise_display)
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{
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UI_init();
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ASSERT_EQ(DISPLAY_init_call_count, 1);
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}
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TEST_F(UITests, init_will_register_interrupt_gpio2)
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{
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UI_init();
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ASSERT_EQ(SYSTEM_register_irq_call_count, 1);
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ASSERT_EQ((void *)SYSTEM_register_irq_arg0_val, (void *)UI_button_irq_handler);
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ASSERT_EQ(SYSTEM_register_irq_arg1_val, IRQ_GPIO_2);
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}
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TEST_F(UITests, when_no_irq_then_missed_irq_counter_zero)
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{
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ASSERT_EQ(UI_get_missed_irqs(), 0);
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}
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TEST_F(UITests, when_one_irq_and_no_handler_then_missed_irq_counter_one)
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{
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UI_button_irq_handler();
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ASSERT_EQ(UI_get_missed_irqs(), 1);
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}
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TEST_F(UITests, when_one_irq_and_valid_callback_then_missed_irq_counter_zero)
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{
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UI_init();
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UI_register_button_cbk(button_press_cbk);
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UI_button_irq_handler();
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ASSERT_EQ(UI_get_missed_irqs(), 0);
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}
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TEST_F(UITests, when_one_irq_and_valid_callback_then_callback_called)
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{
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UI_register_button_cbk(button_press_cbk);
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UI_button_irq_handler();
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ASSERT_EQ(button_press_cbk_call_count, 1);
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}
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TEST_F(UITests, write_line_outputs_lines_to_display)
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{
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char msg[] = "helloworld";
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UI_write_line(msg);
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ASSERT_EQ(DISPLAY_output_call_count, 1);
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ASSERT_EQ(strncmp(DISPLAY_output_arg0_val, msg, 26), 0);
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}
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TEST_F(UITests, when_no_empty_lines_write_line_clears_screen_and_outputs_lines_to_display)
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{
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DISPLAY_get_line_insert_index_return_val = 2;
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char msg[] = "helloworld";
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UI_write_line(msg);
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ASSERT_EQ(DISPLAY_clear_call_count, 1);
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ASSERT_EQ(DISPLAY_output_call_count, 1);
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// Check the order of the calls: Don't care about the first two:
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// DISPLAY_get_line_capacity and DISPLAY_get_line_insert_index
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ASSERT_EQ(call_history_idx, 4);
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ASSERT_EQ(call_history[2], (void *) DISPLAY_clear);
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ASSERT_EQ(call_history[3], (void *) DISPLAY_output);
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}
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TEST_F(UITests, when_empty_lines_write_line_doesnt_clear_screen)
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{
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// given
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DISPLAY_get_line_insert_index_return_val = 1;
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char msg[] = "helloworld";
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// when
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UI_write_line(msg);
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// then
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ASSERT_EQ(DISPLAY_clear_call_count, 0);
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}
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TEST_F(UITests, when_string_longer_than_26_then_truncated_string_output)
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{
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// given
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char input[] = "abcdefghijklmnopqrstuvwxyz0123456789";
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char expected[] = "abcdefghijklmnopqrstuvwxyz";
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// when
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UI_write_line(input);
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// then
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ASSERT_EQ(strncmp(expected, DISPLAY_output_arg0_val, 37), 0);
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}
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//TEST_F(UITests, when_outputting_to_full_display_then_previous_inserted)
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//{
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// // given
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// DISPLAY_get_line_insert_index_return_val = 1;
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// char oldest[] = "oldest";
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// char newest[] = "newest";
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// // when
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// UI_write_line(oldest);
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// UI_write_line(newest);
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// // then
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//
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// ASSERT_EQ(DISPLAY_output_call_count, 2);
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//
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// // fills last line
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// ASSERT_EQ(strncmp(oldest, DISPLAY_output_arg0_val_history[0], 37), 0);
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// //clears
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// ASSERT_EQ(DISPLAY_clear_call_count, 1);
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// // inserts old line at first
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// ASSERT_EQ(strncmp(oldest, DISPLAY_output_arg0_val_history[1], 37), 0);
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// // then inserts new line
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// ASSERT_EQ(strncmp(newest, DISPLAY_output_arg0_val_history[2], 37), 0);
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//}
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