Add location recording to all macros.

For large CI systems it can be costly to generate debug information.
Recording location data for all of the stub/expect/reject macros makes
it a lot easier to record/find failures.

Author: dmaclach

Source/OCMock/OCMMacroState.h

@@ -29,13 +29,13 @@
     BOOL invocationDidThrow;
 }
 
-+ (void)beginStubMacro;
++ (void)beginStubMacroAtLocation:(OCMLocation *)aLocation;
 + (OCMStubRecorder *)endStubMacro;
 
-+ (void)beginExpectMacro;
++ (void)beginExpectMacroAtLocation:(OCMLocation *)aLocation;
 + (OCMStubRecorder *)endExpectMacro;
 
-+ (void)beginRejectMacro;
++ (void)beginRejectMacroAtLocation:(OCMLocation *)aLocation;
 + (OCMStubRecorder *)endRejectMacro;
 
 + (void)beginVerifyMacroAtLocation:(OCMLocation *)aLocation;

Source/OCMock/OCMMacroState.m

@@ -25,9 +25,10 @@ @implementation OCMMacroState
 
 #pragma mark  Methods to begin/end macros
 
-+ (void)beginStubMacro
++ (void)beginStubMacroAtLocation:(OCMLocation *)aLocation
 {
     OCMStubRecorder *recorder = [[[OCMStubRecorder alloc] init] autorelease];
+    recorder.ocm_location = aLocation;
     OCMMacroState *macroState = [[OCMMacroState alloc] initWithRecorder:recorder];
     [NSThread currentThread].threadDictionary[OCMGlobalStateKey] = macroState;
     [macroState release];
@@ -40,21 +41,31 @@ + (OCMStubRecorder *)endStubMacro
     OCMStubRecorder *recorder = [[(OCMStubRecorder *)[globalState recorder] retain] autorelease];
     BOOL didThrow = [globalState invocationDidThrow];
     [threadDictionary removeObjectForKey:OCMGlobalStateKey];
-	if(didThrow == NO && [recorder wasUsed] == NO)
-	{
-		[NSException raise:NSInternalInconsistencyException
-					format:@"Did not record an invocation in OCMStub/OCMExpect/OCMReject.\n"
-						   @"Possible causes are:\n"
-						   @"- The receiver is not a mock object.\n"
-						   @"- The selector conflicts with a selector implemented by OCMStubRecorder/OCMExpectationRecorder."];
-	}
+	  if(didThrow == NO && [recorder wasUsed] == NO)
+	  {
+      OCMLocation *location = recorder.ocm_location;
+        NSString *explanation = @"Did not record an invocation in OCMStub/OCMExpect/OCMReject.\n"
+                                @"Possible causes are:\n"
+                                @"- The receiver is not a mock object.\n"
+                                @"- The selector conflicts with a selector implemented by OCMStubRecorder/OCMExpectationRecorder.";
+        if(location != nil)
+        {
+            [NSException raise:NSInternalInconsistencyException
+                        format:@"%@:%d :%@", [location file], (int)[location line], explanation];
+        }
+        else
+        {
+            [NSException raise:NSInternalInconsistencyException format:@"%@", explanation];
+        }
+	  }
     return recorder;
 }
 
 
-+ (void)beginExpectMacro
++ (void)beginExpectMacroAtLocation:(OCMLocation *)aLocation
 {
     OCMExpectationRecorder *recorder = [[[OCMExpectationRecorder alloc] init] autorelease];
+    recorder.ocm_location = aLocation;
     OCMMacroState *macroState = [[OCMMacroState alloc] initWithRecorder:recorder];
     [NSThread currentThread].threadDictionary[OCMGlobalStateKey] = macroState;
     [macroState release];
@@ -66,9 +77,10 @@ + (OCMStubRecorder *)endExpectMacro
 }
 
 
-+ (void)beginRejectMacro
++ (void)beginRejectMacroAtLocation:(OCMLocation *)aLocation
 {
     OCMExpectationRecorder *recorder = [[[OCMExpectationRecorder alloc] init] autorelease];
+    recorder.ocm_location = aLocation;
     OCMMacroState *macroState = [[OCMMacroState alloc] initWithRecorder:recorder];
     [NSThread currentThread].threadDictionary[OCMGlobalStateKey] = macroState;
     [macroState release];
@@ -92,7 +104,7 @@ + (void)beginVerifyMacroAtLocation:(OCMLocation *)aLocation
 + (void)beginVerifyMacroAtLocation:(OCMLocation *)aLocation withQuantifier:(OCMQuantifier *)quantifier
 {
     OCMVerifier *recorder = [[[OCMVerifier alloc] init] autorelease];
-    [recorder setLocation:aLocation];
+    recorder.ocm_location = aLocation;
     [recorder setQuantifier:quantifier];
     OCMMacroState *macroState = [[OCMMacroState alloc] initWithRecorder:recorder];
     [NSThread currentThread].threadDictionary[OCMGlobalStateKey] = macroState;

Source/OCMock/OCMRecorder.h

@@ -16,6 +16,8 @@
 
 #import <Foundation/Foundation.h>
 
+#import "OCMLocation.h"
+
 @class OCMockObject;
 @class OCMInvocationMatcher;
 
@@ -28,6 +30,8 @@
     BOOL                 shouldReturnMockFromInit;
 }
 
+// Using `ocm_` prefix to minimize clashes with mocked objects using `location` as a property.
+@property(retain) OCMLocation *ocm_location;
 
 - (instancetype)init;
 - (instancetype)initWithMockObject:(OCMockObject *)aMockObject;

Source/OCMock/OCMRecorder.m

@@ -51,6 +51,7 @@ - (void)setShouldReturnMockFromInit:(BOOL)flag
 
 - (void)dealloc
 {
+    [_ocm_location release];
     [invocationMatcher release];
 	[super dealloc];
 }

Source/OCMock/OCMVerifier.h

@@ -16,13 +16,11 @@
 
 #import "OCMRecorder.h"
 
-@class OCMLocation;
 @class OCMQuantifier;
 
 @interface OCMVerifier : OCMRecorder
 
-@property(strong) OCMLocation *location;
-@property(strong) OCMQuantifier *quantifier;
+@property(retain) OCMQuantifier *quantifier;
 
 - (instancetype)withQuantifier:(OCMQuantifier *)quantifier;
 

Source/OCMock/OCMVerifier.m

@@ -44,12 +44,11 @@ - (instancetype)withQuantifier:(OCMQuantifier *)quantifier
 - (void)forwardInvocation:(NSInvocation *)anInvocation
 {
     [super forwardInvocation:anInvocation];
-    [mockObject verifyInvocation:invocationMatcher withQuantifier:self.quantifier atLocation:self.location];
+    [mockObject verifyInvocation:invocationMatcher withQuantifier:self.quantifier atLocation:self.ocm_location];
 }
 
 - (void)dealloc
 {
-	[_location release];
     [_quantifier release];
 	[super dealloc];
 }

Source/OCMock/OCMock.h

@@ -48,7 +48,7 @@
 #define OCMStub(invocation) \
 ({ \
     _OCMSilenceWarnings( \
-        [OCMMacroState beginStubMacro]; \
+        [OCMMacroState beginStubMacroAtLocation:OCMMakeLocation(nil, __FILE__, __LINE__)]; \
         OCMStubRecorder *recorder = nil; \
         @try{ \
             invocation; \
@@ -65,7 +65,7 @@
 #define OCMExpect(invocation) \
 ({ \
     _OCMSilenceWarnings( \
-        [OCMMacroState beginExpectMacro]; \
+        [OCMMacroState beginExpectMacroAtLocation:OCMMakeLocation(nil, __FILE__, __LINE__)]; \
         OCMStubRecorder *recorder = nil; \
         @try{ \
             invocation; \
@@ -82,7 +82,7 @@
 #define OCMReject(invocation) \
 ({ \
     _OCMSilenceWarnings( \
-        [OCMMacroState beginRejectMacro]; \
+        [OCMMacroState beginRejectMacroAtLocation:OCMMakeLocation(nil, __FILE__, __LINE__)]; \
         OCMStubRecorder *recorder = nil; \
         @try{ \
             invocation; \

Source/OCMockTests/OCMockObjectMacroTests.m

@@ -390,6 +390,54 @@ - (void)testShouldHintAtPossibleReasonWhenVerifyingMethodThatCannotBeMocked
     }
 }
 
+- (void)testStubExpectAndRejectShouldCaptureFileAndLineNumbers
+{
+    NSString *expectedFile = [NSString stringWithUTF8String:__FILE__];
+    int expectedLine;
+    BOOL caughtException = NO;
+    id realObject = [NSMutableArray array];
+
+    @try
+    {
+         caughtException = NO;
+         expectedLine = __LINE__; OCMStub([realObject addObject:@"foo"]);
+    }
+    @catch (NSException *e)
+    {
+        XCTAssertTrue([[e reason] containsString:expectedFile], @"`%@` should contain `%@`", [e reason], expectedFile);
+        XCTAssertTrue([[e reason] containsString:[[NSNumber numberWithInt:expectedLine] stringValue]], @"`%@` should contain `%d`", [e reason], expectedLine);
+        caughtException = YES;
+    }
+    XCTAssertTrue(caughtException);
+
+    @try
+    {
+        caughtException = NO;
+        expectedLine = __LINE__; OCMExpect([realObject addObject:@"foo"]);
+    }
+    @catch (NSException *e)
+    {
+        XCTAssertTrue([[e reason] containsString:expectedFile], @"`%@` should contain `%@`", [e reason], expectedFile);
+        XCTAssertTrue([[e reason] containsString:[[NSNumber numberWithInt:expectedLine] stringValue]], @"`%@` should contain `%d`", [e reason], expectedLine);
+        caughtException = YES;
+    }
+    XCTAssertTrue(caughtException);
+
+    @try
+    {
+         caughtException = NO;
+         expectedLine = __LINE__; OCMReject([realObject addObject:@"foo"]);
+    }
+    @catch (NSException *e)
+    {
+        XCTAssertTrue([[e reason] containsString:expectedFile], @"`%@` should contain `%@`", [e reason], expectedFile);
+        XCTAssertTrue([[e reason] containsString:[[NSNumber numberWithInt:expectedLine] stringValue]], @"`%@` should contain `%d`", [e reason], expectedLine);
+        caughtException = YES;
+    }
+    XCTAssertTrue(caughtException);
+
+}
+
 
 - (void)testCanExplicitlySelectClassMethodForStubs
 {