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Pods/PromisesObjC/Sources/FBLPromises/FBLPromise+Testing.m

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+/**
+ Copyright 2018 Google Inc. All rights reserved.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at:
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+#import "FBLPromise+Testing.h"
+
+BOOL FBLWaitForPromisesWithTimeout(NSTimeInterval timeout) {
+  BOOL isTimedOut = NO;
+  NSDate *timeoutDate = [NSDate dateWithTimeIntervalSinceNow:timeout];
+  static NSTimeInterval const minimalTimeout = 0.01;
+  static int64_t const minimalTimeToWait = (int64_t)(minimalTimeout * NSEC_PER_SEC);
+  dispatch_time_t waitTime = dispatch_time(DISPATCH_TIME_NOW, minimalTimeToWait);
+  dispatch_group_t dispatchGroup = FBLPromise.dispatchGroup;
+  NSRunLoop *runLoop = NSRunLoop.currentRunLoop;
+  while (dispatch_group_wait(dispatchGroup, waitTime)) {
+    isTimedOut = timeoutDate.timeIntervalSinceNow < 0.0;
+    if (isTimedOut) {
+      break;
+    }
+    [runLoop runUntilDate:[NSDate dateWithTimeIntervalSinceNow:minimalTimeout]];
+  }
+  return !isTimedOut;
+}
+
+@implementation FBLPromise (TestingAdditions)
+
+// These properties are implemented in the FBLPromise class itself.
+@dynamic isPending;
+@dynamic isFulfilled;
+@dynamic isRejected;
+@dynamic value;
+@dynamic error;
+
++ (dispatch_group_t)dispatchGroup {
+  static dispatch_group_t gDispatchGroup;
+  static dispatch_once_t onceToken;
+  dispatch_once(&onceToken, ^{
+    gDispatchGroup = dispatch_group_create();
+  });
+  return gDispatchGroup;
+}
+
+@end
+
+/** Stub used to force the linker to include the categories in this file. */
+void FBLIncludeTestingCategory(void) {}