import torch

from torch._export.db.case import export_case


@export_case(
    example_inputs=(torch.ones(3, 2),),
    tags={"python.assert"},
)
def dynamic_shape_assert(x):
    """
    A basic usage of python assertion.
    """
    # assertion with error message
    assert x.shape[0] > 2, f"{x.shape[0]} is greater than 2"
    # assertion without error message
    assert x.shape[0] > 1
    return x