6 files changed, 50 insertions, 7 deletions
diff --git a/Framework/MASHotKey.m b/Framework/MASHotKey.m
index 7886440..c5ab744 100644
--- a/Framework/MASHotKey.m
+++ b/Framework/MASHotKey.m
@@ -19,7 +19,7 @@ FourCharCode const MASHotKeySignature = 'MASS';
     EventHotKeyID hotKeyID = { .signature = MASHotKeySignature, .id = _carbonID };
 
     OSStatus status = RegisterEventHotKey([shortcut carbonKeyCode], [shortcut carbonFlags],
-        hotKeyID, GetEventDispatcherTarget(), kEventHotKeyExclusive, &_hotKeyRef);
+        hotKeyID, GetEventDispatcherTarget(), 0, &_hotKeyRef);
 
     if (status != noErr) {
         return nil;
diff --git a/Framework/MASHotKeyTests.m b/Framework/MASHotKeyTests.m
new file mode 100644
index 0000000..65361ab
--- /dev/null
+++ b/Framework/MASHotKeyTests.m
@@ -0,0 +1,15 @@
+#import "MASHotKey.h"
+
+@interface MASHotKeyTests : XCTestCase
+@end
+
+@implementation MASHotKeyTests
+
+- (void) testBasicFunctionality
+{
+    MASHotKey *hotKey = [MASHotKey registeredHotKeyWithShortcut:
+        [MASShortcut shortcutWithKeyCode:kVK_ANSI_H modifierFlags:NSCommandKeyMask|NSAlternateKeyMask]];
+    XCTAssertNotNil(hotKey, @"Register a simple Cmd-Alt-H hotkey.");
+}
+
+@end
diff --git a/Framework/MASShortcutMonitor.h b/Framework/MASShortcutMonitor.h
index 69affc1..a1aaaa8 100644
--- a/Framework/MASShortcutMonitor.h
+++ b/Framework/MASShortcutMonitor.h
@@ -18,7 +18,7 @@
     Attempting to insert an already registered shortcut probably won’t work.
     It may burn your house or cut your fingers. You have been warned.
 */
-- (void) registerShortcut: (MASShortcut*) shortcut withAction: (dispatch_block_t) action;
+- (BOOL) registerShortcut: (MASShortcut*) shortcut withAction: (dispatch_block_t) action;
 - (BOOL) isShortcutRegistered: (MASShortcut*) shortcut;
 
 - (void) unregisterShortcut: (MASShortcut*) shortcut;
diff --git a/Framework/MASShortcutMonitor.m b/Framework/MASShortcutMonitor.m
index 099f4b1..fce8022 100644
--- a/Framework/MASShortcutMonitor.m
+++ b/Framework/MASShortcutMonitor.m
@@ -45,11 +45,16 @@ static OSStatus MASCarbonEventCallback(EventHandlerCallRef, EventRef, void*);
 
 #pragma mark Registration
 
-- (void) registerShortcut: (MASShortcut*) shortcut withAction: (dispatch_block_t) action
+- (BOOL) registerShortcut: (MASShortcut*) shortcut withAction: (dispatch_block_t) action
 {
     MASHotKey *hotKey = [MASHotKey registeredHotKeyWithShortcut:shortcut];
-    [hotKey setAction:action];
-    [_hotKeys setObject:hotKey forKey:shortcut];
+    if (hotKey) {
+        [hotKey setAction:action];
+        [_hotKeys setObject:hotKey forKey:shortcut];
+        return YES;
+    } else {
+        return NO;
+    }
 }
 
 - (void) unregisterShortcut: (MASShortcut*) shortcut
diff --git a/Framework/MASShortcutMonitorTests.m b/Framework/MASShortcutMonitorTests.m
new file mode 100644
index 0000000..ccdcaef
--- /dev/null
+++ b/Framework/MASShortcutMonitorTests.m
@@ -0,0 +1,23 @@
+#import "MASShortcutMonitor.h"
+
+@interface MASShortcutMonitorTests : XCTestCase
+@end
+
+@implementation MASShortcutMonitorTests
+
+- (void) testMonitorCreation
+{
+    XCTAssertNotNil([MASShortcutMonitor sharedMonitor], @"Create a shared shortcut monitor.");
+}
+
+- (void) testShortcutRegistration
+{
+    MASShortcutMonitor *monitor = [MASShortcutMonitor sharedMonitor];
+    MASShortcut *shortcut = [MASShortcut shortcutWithKeyCode:kVK_ANSI_H modifierFlags:NSCommandKeyMask|NSAlternateKeyMask];
+    XCTAssertTrue([monitor registerShortcut:shortcut withAction:NULL], @"Register a shortcut.");
+    XCTAssertTrue([monitor isShortcutRegistered:shortcut], @"Remember a previously registered shortcut.");
+    [monitor unregisterShortcut:shortcut];
+    XCTAssertFalse([monitor isShortcutRegistered:shortcut], @"Forget shortcut after unregistering.");
+}
+
+@end
diff --git a/Framework/MASShortcutView.m b/Framework/MASShortcutView.m
index 9f26e07..d521880 100644
--- a/Framework/MASShortcutView.m
+++ b/Framework/MASShortcutView.m
@@ -369,7 +369,7 @@ void *kUserDataHint = &kUserDataHint;
     
     static id eventMonitor = nil;
     if (shouldActivate) {
-        __weak MASShortcutView *weakSelf = self;
+        __unsafe_unretained MASShortcutView *weakSelf = self;
         NSEventMask eventMask = (NSKeyDownMask | NSFlagsChangedMask);
         eventMonitor = [NSEvent addLocalMonitorForEventsMatchingMask:eventMask handler:^(NSEvent *event) {
 
@@ -450,7 +450,7 @@ void *kUserDataHint = &kUserDataHint;
     static id observer = nil;
     NSNotificationCenter *notificationCenter = [NSNotificationCenter defaultCenter];
     if (shouldActivate) {
-        __weak MASShortcutView *weakSelf = self;
+        __unsafe_unretained MASShortcutView *weakSelf = self;
         observer = [notificationCenter addObserverForName:NSWindowDidResignKeyNotification object:self.window
                                                 queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *notification) {
                                                     weakSelf.recording = NO;