test/debug.c

/* Copyright 2022 The ChromiumOS Authors
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "common.h"
#include "debug.h"
#include "string.h"
#include "test_util.h"

static bool debugger_connected;
static bool debugger_connected_previously /* = false */;

static void print_usage(void)
{
	ccprintf(
		"usage: runtest [debugger|no_debugger] [was_debugger|was_no_debugger]\n");
	ccprintf("\n");
	ccprintf("debugger        - "
		 "There is currently a debugger connected.\n");
	ccprintf("no_debugger     - "
		 "There is not currently a debugger connected.\n");
	ccprintf("was_debugger    - "
		 "There was previously a debugger connected "
		 "(only power cycle can reset this).\n");
	ccprintf("was_no_debugger - "
		 "There was not previously a debugger connected "
		 "(only power cycle can reset this).\n");
}

test_static int test_debugger_is_connected(void)
{
	ccprintf("debugger_is_connected: %d\n", debugger_connected);
	TEST_EQ(debugger_is_connected(), debugger_connected, "%d");
	return EC_SUCCESS;
}

/*
 * Note that a reset will not suffice to reset debugger_was_connected() state.
 * It must be a power cycle.
 */
test_static int test_debugger_was_connected(void)
{
	ccprintf("debugger_was_connected: %d\n", debugger_connected_previously);
	TEST_EQ(debugger_was_connected(), debugger_connected_previously, "%d");
	return EC_SUCCESS;
}

void run_test(int argc, const char **argv)
{
	test_reset();

	if (argc < 2) {
		print_usage();
		test_fail();
		return;
	}

	for (int i = 1; i < argc; i++) {
		if (strcmp(argv[i], "debugger") == 0) {
			debugger_connected = true;
		} else if (strcmp(argv[i], "no_debugger") == 0) {
			debugger_connected = false;
		} else if (strcmp(argv[i], "was_debugger") == 0) {
			debugger_connected_previously = true;
		} else if (strcmp(argv[i], "was_no_debugger") == 0) {
			debugger_connected_previously = false;
		} else {
			print_usage();
			test_fail();
			return;
		}
	}

	RUN_TEST(test_debugger_is_connected);
	RUN_TEST(test_debugger_was_connected);
	test_print_result();
}

static int command_debugger_check(int argc, const char **argv)
{
	ccprintf("debugger_is_connected() = %d\n", debugger_is_connected());
	ccprintf("debugger_was_connected() = %d\n", debugger_was_connected());
	return EC_SUCCESS;
}
DECLARE_CONSOLE_COMMAND(debugger, command_debugger_check, "",
			"Check detected debugger status.");