cleanup, stub out tests

not sure how best to write tests, probably a larger test framework on
a board farm to test on real devices will be more sensible.

bootctrl_test.cpp

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ * Copyright (C) 2022 Caleb Connolly <caleb@connolly.tech>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "bootctrl.h"
+
+struct test_state {
+	struct slot_info slots[2];
+};
+
+static struct test_state state = {
+	.slots = {
+	[0] = {
+		.active = true,
+		.bootable = true,
+		.successful = false,
+	},
+	[1] = {
+		.active = false,
+		.bootable = true,
+		.successful = false,
+	},
+	}
+};
+
+unsigned test_get_current_slot()
+{
+	return (unsigned int)state.slots[1].active;
+}
+
+int test_mark_boot_successful(unsigned slot)
+{
+	return 0;
+}
+
+int test_set_active_boot_slot(unsigned slot)
+{
+	return 0;
+}
+
+int test_set_slot_as_unbootable(unsigned slot)
+{
+	return 0;
+}
+
+int test_is_slot_bootable(unsigned slot)
+{
+	return 1;
+}
+
+const char *test_get_suffix(unsigned slot)
+{
+	switch (slot) {
+	case 0:
+		return "_x";
+	case 1:
+		return "_z";
+	default:
+		return "??";
+	}
+}
+
+int test_is_slot_marked_successful(unsigned slot)
+{
+	return 1;
+}
+
+unsigned test_get_active_boot_slot()
+{
+	return 0;
+}
+
+const struct boot_control_module bootctl_test = {
+	.getCurrentSlot = test_get_current_slot,
+	.markBootSuccessful = test_mark_boot_successful,
+	.setActiveBootSlot = test_set_active_boot_slot,
+	.setSlotAsUnbootable = test_set_slot_as_unbootable,
+	.isSlotBootable = test_is_slot_bootable,
+	.getSuffix = test_get_suffix,
+	.isSlotMarkedSuccessful = test_is_slot_marked_successful,
+	.getActiveBootSlot = test_get_active_boot_slot,
+};