Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 265 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/objc.dg/foreach-5.m b/gcc-4.9/gcc/testsuite/objc.dg/foreach-5.m
new file mode 100644
index 000000000..dce26fa3e
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/objc.dg/foreach-5.m
@@ -0,0 +1,265 @@
+/* Test basic Objective-C foreach syntax.  This tests that if you
+   define your own NSFastEnumeration struct, the compiler picks it up.
+*/
+/* { dg-do run } */
+/* { dg-skip-if "No NeXT fast enum. pre-Darwin9" { *-*-darwin[5-8]* } { "-fnext-runtime" } { "" } } */
+/* { dg-xfail-run-if "Needs OBJC2 ABI" { *-*-darwin* && { lp64 && { ! objc2 } } } { "-fnext-runtime" } { "" } } */
+/* { dg-options "-mno-constant-cfstrings" { target *-*-darwin* } } */
+/* { dg-additional-sources "../objc-obj-c++-shared/nsconstantstring-class-impl.m" } */
+
+#import "../objc-obj-c++-shared/TestsuiteObject.m"
+#ifndef __NEXT_RUNTIME__
+#include <objc/NXConstStr.h>
+#else
+#include "../objc-obj-c++-shared/nsconstantstring-class.h"
+#endif
+
+extern int printf (const char *, ...);
+#include <stdlib.h>
+
+typedef struct
+{
+  unsigned long state;
+  id            *itemsPtr;
+  unsigned long *mutationsPtr;
+  unsigned long extra[5];
+} NSFastEnumerationState;
+
+/* A mini-array implementation that can be used to test fast
+   enumeration.  You create the array with some objects; you can
+   mutate the array, and you can fast-enumerate it.
+*/
+@interface MyArray : TestsuiteObject
+{
+  unsigned int length;
+  id *objects;
+  unsigned long mutated;
+}
+- (id) initWithLength: (unsigned int)l  objects: (id *)o;
+- (void) mutate;
+- (unsigned long)countByEnumeratingWithState: (NSFastEnumerationState *)state
+                                     objects:(id *)stackbuf 
+                                       count:(unsigned long)len;
+@end
+
+@implementation MyArray : TestsuiteObject
+- (id) initWithLength: (unsigned int)l
+	      objects: (id *)o
+{
+  length = l;
+  objects = o;
+  mutated = 0;
+  return self;
+}
+- (void) mutate
+{
+  mutated = 1;
+}
+- (unsigned long)countByEnumeratingWithState: (NSFastEnumerationState*)state 
+		  		     objects: (id*)stackbuf
+			 	       count: (unsigned long)len
+{
+  unsigned long i, batch_size;
+
+  /* We keep how many objects we served in the state->state counter.  So the next batch
+     will contain up to length - state->state objects.  */
+  batch_size = length - state->state;
+
+  /* Make obvious adjustments.  */
+  if (batch_size < 0)
+    batch_size = 0;
+
+  if (batch_size > len)
+    batch_size = len;
+
+  /* Copy the objects.  */
+  for (i = 0; i < batch_size; i++)
+    stackbuf[i] = objects[i];
+
+  state->state += batch_size;
+  state->itemsPtr = stackbuf;
+  state->mutationsPtr = &mutated;
+
+  return batch_size;
+}
+@end
+
+int main (void)
+{
+  MyArray *array;
+  int test_variable, counter, i;
+  id *objects;
+
+  array = [[MyArray alloc] initWithLength: 0
+			   objects: NULL];
+
+  /* Test that an empty array does nothing.  */
+  for (id object in array)
+    abort ();
+
+  /* Test iterating over 1 object.  */
+  objects = malloc (sizeof (id) * 1);
+  objects[0] = @"One Object";
+
+  array = [[MyArray alloc] initWithLength: 1
+			   objects: objects];
+  
+  for (id object in array)
+    printf ("%p\n", object);
+  
+  /* Test iterating over 20 objects.  */
+  objects = malloc (sizeof (id) * 20);
+  for (i = 0; i < 20; i++)
+    objects[i] = @"object";
+  
+  array = [[MyArray alloc] initWithLength: 20
+			   objects: objects];
+  
+  for (id object in array)
+    printf ("%p\n", object);
+
+  /* Test iterating over 200 objects.  */
+  objects = malloc (sizeof (id) * 200);
+  for (i = 0; i < 200; i++)
+    objects[i] = @"object";
+  
+  array = [[MyArray alloc] initWithLength: 200
+			   objects: objects];
+  
+  counter = 0;
+  for (id object in array)
+    {
+      if (object != nil)
+	counter++;
+    }
+
+  if (counter != 200)
+    abort ();
+
+  printf ("Counter was %d (should be 200)\n", counter);
+
+  /* Test iterating again over the same array.  */
+  counter = 0;
+  for (id object in array)
+    {
+      if (object != nil)
+	counter++;
+    }
+
+  if (counter != 200)
+    abort ();
+
+  printf ("Counter was %d (should be 200)\n", counter);
+
+  /* Test nested iterations.  */
+  objects = malloc (sizeof (id) * 20);
+  for (i = 0; i < 20; i++)
+    objects[i] = @"object";
+  
+  array = [[MyArray alloc] initWithLength: 20
+			   objects: objects];
+  counter = 0;
+  for (id object in array)
+    {
+      for (id another_object in array)
+	if (another_object != nil)
+	  counter++;
+    }
+
+  printf ("Counter was %d (should be 400)\n", counter);
+
+  if (counter != 400)
+    abort ();
+
+  /* Test 'continue'.  */
+  objects = malloc (sizeof (id) * 20);
+  for (i = 0; i < 20; i++)
+    objects[i] = @"object";
+  
+  array = [[MyArray alloc] initWithLength: 20
+			   objects: objects];
+  counter = 0;
+  for (id object in array)
+    {
+      if (counter == 15)
+	continue;
+
+      counter++;
+    }
+
+  printf ("Counter was %d (should be 15)\n", counter);
+
+  if (counter != 15)
+    abort ();
+
+  /* Test 'break'.  */
+  objects = malloc (sizeof (id) * 20);
+  for (i = 0; i < 20; i++)
+    objects[i] = @"object";
+  
+  array = [[MyArray alloc] initWithLength: 20
+			   objects: objects];
+  counter = 0;
+  for (id object in array)
+    {
+      counter++;
+
+      if (counter == 15)
+	break;
+    }
+
+  printf ("Counter was %d (should be 15)\n", counter);
+
+  if (counter != 15)
+    abort ();
+
+  /* Test 'break' and 'continue' in nested iterations.  */
+  objects = malloc (sizeof (id) * 20);
+  for (i = 0; i < 20; i++)
+    objects[i] = @"object";
+  
+  array = [[MyArray alloc] initWithLength: 20
+			   objects: objects];
+  counter = 0;
+  for (id object in array)
+    {
+      int local_counter = 0;
+
+      /* Each internal loop should increase counter by 24.  */
+      for (id another_object in array)
+	{
+	  local_counter++;
+	  
+	  if (local_counter == 10)
+	    {
+	      counter = counter + 20;
+	      break;
+	    }
+
+	  if (local_counter >= 5)
+	    continue;
+
+	  counter++;
+	}
+
+      /* Exit after 4 iterations.  */
+      if (counter == 96)
+	break;
+    }
+
+  printf ("Counter was %d (should be 96)\n", counter);
+
+  if (counter != 96)
+    abort ();
+
+  /* Test that C for loops still work.  */
+  test_variable = 0;
+
+  for (counter = 0; counter < 4; counter++)
+    test_variable++;
+
+  if (test_variable != 4)
+    abort ();
+
+  return 0;
+}