Fix test math error

pull/11866/head
Craig Tiller 8 years ago
parent 80ae895f1e
commit b7f36d7517
  1. 26
      test/core/backoff/backoff_test.c

@ -59,43 +59,45 @@ static void test_no_jitter_backoff(void) {
// x_1 = 2
// x_n = 2**i + x_{i-1} ( = 2**(n+1) - 2 )
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
exec_ctx.now = 0;
exec_ctx.now_is_valid = true;
grpc_millis next = grpc_backoff_begin(&exec_ctx, &backoff);
GPR_ASSERT(next - grpc_exec_ctx_now(&exec_ctx) == 2);
GPR_ASSERT(next == 2);
exec_ctx.now = next;
next = grpc_backoff_step(&exec_ctx, &backoff);
GPR_ASSERT(next - grpc_exec_ctx_now(&exec_ctx) == 6);
GPR_ASSERT(next == 6);
exec_ctx.now = next;
next = grpc_backoff_step(&exec_ctx, &backoff);
GPR_ASSERT(next - grpc_exec_ctx_now(&exec_ctx) == 14);
GPR_ASSERT(next == 14);
exec_ctx.now = next;
next = grpc_backoff_step(&exec_ctx, &backoff);
GPR_ASSERT(next - grpc_exec_ctx_now(&exec_ctx) == 30);
GPR_ASSERT(next == 30);
exec_ctx.now = next;
next = grpc_backoff_step(&exec_ctx, &backoff);
GPR_ASSERT(next - grpc_exec_ctx_now(&exec_ctx) == 62);
GPR_ASSERT(next == 62);
exec_ctx.now = next;
next = grpc_backoff_step(&exec_ctx, &backoff);
GPR_ASSERT(next - grpc_exec_ctx_now(&exec_ctx) == 126);
GPR_ASSERT(next == 126);
exec_ctx.now = next;
next = grpc_backoff_step(&exec_ctx, &backoff);
GPR_ASSERT(next - grpc_exec_ctx_now(&exec_ctx) == 254);
GPR_ASSERT(next == 254);
exec_ctx.now = next;
next = grpc_backoff_step(&exec_ctx, &backoff);
GPR_ASSERT(next - grpc_exec_ctx_now(&exec_ctx) == 510);
GPR_ASSERT(next == 510);
exec_ctx.now = next;
next = grpc_backoff_step(&exec_ctx, &backoff);
GPR_ASSERT(next - grpc_exec_ctx_now(&exec_ctx) == 1022);
GPR_ASSERT(next == 1022);
exec_ctx.now = next;
next = grpc_backoff_step(&exec_ctx, &backoff);
// Hit the maximum timeout. From this point onwards, retries will increase
// only by max timeout.
GPR_ASSERT(next - grpc_exec_ctx_now(&exec_ctx) == 1535);
GPR_ASSERT(next == 1535);
exec_ctx.now = next;
next = grpc_backoff_step(&exec_ctx, &backoff);
GPR_ASSERT(next - grpc_exec_ctx_now(&exec_ctx) == 2048);
GPR_ASSERT(next == 2048);
exec_ctx.now = next;
next = grpc_backoff_step(&exec_ctx, &backoff);
GPR_ASSERT(next - grpc_exec_ctx_now(&exec_ctx) == 2561);
GPR_ASSERT(next == 2561);
grpc_exec_ctx_finish(&exec_ctx);
}

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