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 *
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 * modification, are permitted provided that the following conditions are
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 *
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 * notice, this list of conditions and the following disclaimer.
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 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
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#ifndef __GRPC_TEST_END2END_CQ_VERIFIER_H__
#define __GRPC_TEST_END2END_CQ_VERIFIER_H__

#include <grpc/grpc.h>

/* A cq_verifier can verify that expected events arrive in a timely fashion
   on a single completion queue */

typedef struct cq_verifier cq_verifier;

/* construct/destroy a cq_verifier */
cq_verifier *cq_verifier_create(grpc_completion_queue *cq);
void cq_verifier_destroy(cq_verifier *v);

/* ensure all expected events (and only those events) are present on the
   bound completion queue */
void cq_verify(cq_verifier *v);

/* ensure that the completion queue is empty */
void cq_verify_empty(cq_verifier *v);

/* Various expectation matchers
   Any functions taking ... expect a NULL terminated list of key/value pairs
   (each pair using two parameter slots) of metadata that MUST be present in
   the event. */
void cq_expect_write_accepted(cq_verifier *v, void *tag, grpc_op_error result);
void cq_expect_finish_accepted(cq_verifier *v, void *tag, grpc_op_error result);
void cq_expect_read(cq_verifier *v, void *tag, gpr_slice bytes);
void cq_expect_empty_read(cq_verifier *v, void *tag);
void cq_expect_completion(cq_verifier *v, void *tag, grpc_op_error result);
/* *output_call is set the the server call instance */
void cq_expect_server_rpc_new(cq_verifier *v, grpc_call **output_call,
                              void *tag, const char *method, const char *host,
                              gpr_timespec deadline, ...);
void cq_expect_client_metadata_read(cq_verifier *v, void *tag, ...);
void cq_expect_finished_with_status(cq_verifier *v, void *tag,
                                    grpc_status_code status_code,
                                    const char *details, ...);
void cq_expect_finished(cq_verifier *v, void *tag, ...);
void cq_expect_server_shutdown(cq_verifier *v, void *tag);

int byte_buffer_eq_string(grpc_byte_buffer *byte_buffer, const char *string);
int contains_metadata(grpc_metadata_array *array, const char *key, const char *value);

#endif /* __GRPC_TEST_END2END_CQ_VERIFIER_H__ */