Implement methods to create the default options for the verify flow.

GoogleSignIn/Sources/GIDSignInInternalOptions.h

@@ -26,6 +26,7 @@
 
 @class GIDConfiguration;
 @class GIDSignInResult;
+@class GIDVerifiableAccountDetail;
 
 NS_ASSUME_NONNULL_BEGIN
 
@@ -41,6 +42,9 @@ NS_ASSUME_NONNULL_BEGIN
 /// Whether the sign-in is an addScopes flow. NO means it is a sign in flow.
 @property(nonatomic, readonly) BOOL addScopesFlow;
 
+/// The user account details this flow will verify
+@property(nonatomic, copy, nullable, readonly) NSArray<GIDVerifiableAccountDetail *> *accountDetailsToVerify;
+
 /// The extra parameters used in the sign-in URL.
 @property(nonatomic, readonly, nullable) NSDictionary *extraParams;
 
@@ -58,6 +62,9 @@ NS_ASSUME_NONNULL_BEGIN
 /// The completion block to be called at the completion of the flow.
 @property(nonatomic, readonly, nullable) GIDSignInCompletion completion;
 
+/// The completion block to be called at the completion of the verify flow.
+@property(nonatomic, readonly, nullable) GIDVerifyCompletion verifyCompletion;
+
 /// The scopes to be used during the flow.
 @property(nonatomic, copy, nullable) NSArray<NSString *> *scopes;
 
@@ -79,6 +86,19 @@ NS_ASSUME_NONNULL_BEGIN
                                          scopes:(nullable NSArray *)scopes
                                      completion:(nullable GIDSignInCompletion)completion;
 
++ (instancetype)defaultOptionsWithConfiguration:(nullable GIDConfiguration *)configuration
+                       presentingViewController:(nullable UIViewController *)presentingViewController
+                                      loginHint:(nullable NSString *)loginHint
+                                  addScopesFlow:(BOOL)addScopesFlow
+                               verifyCompletion:(nullable GIDVerifyCompletion)completion;
+
++ (instancetype)defaultOptionsWithConfiguration:(nullable GIDConfiguration *)configuration
+                       presentingViewController:(nullable UIViewController *)presentingViewController
+                                      loginHint:(nullable NSString *)loginHint
+                                  addScopesFlow:(BOOL)addScopesFlow
+                         accountDetailsToVerify:(nullable NSArray *)accountDetailsToVerify
+                               verifyCompletion:(nullable GIDVerifyCompletion)completion;
+
 #elif TARGET_OS_OSX
 + (instancetype)defaultOptionsWithConfiguration:(nullable GIDConfiguration *)configuration
                                presentingWindow:(nullable NSWindow *)presentingWindow

GoogleSignIn/Sources/GIDSignInInternalOptions.m

@@ -25,6 +25,43 @@
 NS_ASSUME_NONNULL_BEGIN
 
 @implementation GIDSignInInternalOptions
+#if TARGET_OS_IOS || TARGET_OS_MACCATALYST
++ (instancetype)defaultOptionsWithConfiguration:(nullable GIDConfiguration *)configuration
+                       presentingViewController:(nullable UIViewController *)presentingViewController
+                                      loginHint:(nullable NSString *)loginHint
+                                  addScopesFlow:(BOOL)addScopesFlow
+                               verifyCompletion:(nullable GIDVerifyCompletion)completion{
+  GIDSignInInternalOptions *options = [self defaultOptionsWithConfiguration:configuration
+                                                   presentingViewController:presentingViewController
+                                                                  loginHint:loginHint
+                                                              addScopesFlow:addScopesFlow
+                                                     accountDetailsToVerify:@[]
+                                                           verifyCompletion:completion];
+  return options;
+}
+
++ (instancetype)defaultOptionsWithConfiguration:(nullable GIDConfiguration *)configuration
+                       presentingViewController:(nullable UIViewController *)presentingViewController
+                                      loginHint:(nullable NSString *)loginHint
+                                  addScopesFlow:(BOOL)addScopesFlow
+                         accountDetailsToVerify:(nullable NSArray *)accountDetailsToVerify
+                               verifyCompletion:(nullable GIDVerifyCompletion)completion{
+  GIDSignInInternalOptions *options = [[GIDSignInInternalOptions alloc] init];
+  if (options) {
+    options->_interactive = YES;
+    options->_continuation = NO;
+    options->_addScopesFlow = addScopesFlow;
+    options->_configuration = configuration;
+    options->_presentingViewController = presentingViewController;
+    options->_loginHint = loginHint;
+    options->_accountDetailsToVerify = accountDetailsToVerify;
+    options->_verifyCompletion = completion;
+  }
+  return options;
+}
+
+#endif // TARGET_OS_IOS || TARGET_OS_MACCATALYST
+
 #if TARGET_OS_IOS || TARGET_OS_MACCATALYST
 + (instancetype)defaultOptionsWithConfiguration:(nullable GIDConfiguration *)configuration
                        presentingViewController:(nullable UIViewController *)presentingViewController

GoogleSignIn/Sources/GIDSignIn_Private.h

@@ -29,12 +29,18 @@ NS_ASSUME_NONNULL_BEGIN
 @class GIDGoogleUser;
 @class GIDSignInInternalOptions;
 @class GTMKeychainStore;
+@class GIDVerifiedAccountDetailResult;
 
 /// Represents a completion block that takes a `GIDSignInResult` on success or an error if the
 /// operation was unsuccessful.
 typedef void (^GIDSignInCompletion)(GIDSignInResult *_Nullable signInResult,
                                     NSError *_Nullable error);
 
+/// Represents a completion block that takes a `GIDVerifiedAccountDetailResult` on success or an
+/// error if the operation was unsuccessful.
+typedef void (^GIDVerifyCompletion)(GIDVerifiedAccountDetailResult *_Nullable verifiedResult,
+                                    NSError *_Nullable error);
+
 /// Represents a completion block that takes an error if the operation was unsuccessful.
 typedef void (^GIDDisconnectCompletion)(NSError *_Nullable error);
 

GoogleSignIn/Tests/Unit/GIDSignInInternalOptionsTest.m

@@ -29,6 +29,32 @@ @interface GIDSignInInternalOptionsTest : XCTestCase
 
 @implementation GIDSignInInternalOptionsTest
 
+- (void)testDefaultOptionsForVerificationFlow {
+#if TARGET_OS_IOS || TARGET_OS_MACCATALYST
+  id configuration = OCMStrictClassMock([GIDConfiguration class]);
+  id presentingViewController = OCMStrictClassMock([UIViewController class]);
+  NSString *loginHint = @"login_hint";
+
+  GIDVerifyCompletion completion = ^(GIDVerifiedAccountDetailResult *_Nullable verifiedResult,
+                                     NSError * _Nullable error) {};
+  GIDSignInInternalOptions *options =
+  [GIDSignInInternalOptions defaultOptionsWithConfiguration:configuration
+                                   presentingViewController:presentingViewController
+                                                  loginHint:loginHint
+                                              addScopesFlow:NO
+                                           verifyCompletion:completion];
+
+  XCTAssertTrue(options.interactive);
+  XCTAssertFalse(options.continuation);
+  XCTAssertFalse(options.addScopesFlow);
+  XCTAssertNil(options.extraParams);
+  XCTAssertEqual(options.accountDetailsToVerify, @[]);
+
+  OCMVerifyAll(configuration);
+  OCMVerifyAll(presentingViewController);
+#endif // TARGET_OS_IOS || TARGET_OS_MACCATALYST
+}
+
 - (void)testDefaultOptions {
   id configuration = OCMStrictClassMock([GIDConfiguration class]);
 #if TARGET_OS_IOS || TARGET_OS_MACCATALYST