from decimal import Decimal
from typing import Any

# imports
import pytest  # used for our unit tests
from pydantic._internal._validators import decimal_places_validator
from pydantic_core._pydantic_core import PydanticKnownError

# unit tests

# Basic Test Cases
def test_valid_decimal_exact_places():
    codeflash_output = decimal_places_validator(Decimal('1.23'), 2)
    codeflash_output = decimal_places_validator(Decimal('0.123'), 3)

def test_valid_decimal_less_places():
    codeflash_output = decimal_places_validator(Decimal('1.2'), 2)
    codeflash_output = decimal_places_validator(Decimal('0.1'), 3)

def test_invalid_decimal_more_places():
    with pytest.raises(PydanticKnownError):
        decimal_places_validator(Decimal('1.234'), 2)
    with pytest.raises(PydanticKnownError):
        decimal_places_validator(Decimal('0.1234'), 3)

# Edge Test Cases
def test_non_normalized_input():
    codeflash_output = decimal_places_validator(Decimal('1.2300'), 3)
    codeflash_output = decimal_places_validator(Decimal('0.1230'), 3)


def test_zero_value():
    codeflash_output = decimal_places_validator(Decimal('0'), 0)
    codeflash_output = decimal_places_validator(Decimal('0.0'), 1)

def test_negative_values():
    codeflash_output = decimal_places_validator(Decimal('-1.23'), 2)
    codeflash_output = decimal_places_validator(Decimal('-0.123'), 3)

def test_large_numbers():
    codeflash_output = decimal_places_validator(Decimal('123456789.123456789'), 9)
    codeflash_output = decimal_places_validator(Decimal('123456789.1234567890'), 10)

# Invalid Inputs
def test_non_decimal_types():
    with pytest.raises(TypeError):
        decimal_places_validator('1.23', 2)
    with pytest.raises(TypeError):
        decimal_places_validator(1.23, 2)
    with pytest.raises(TypeError):
        decimal_places_validator(None, 2)

# Boundary Conditions
def test_maximum_decimal_places():
    codeflash_output = decimal_places_validator(Decimal('1.' + '0'*28 + '1'), 29)
    with pytest.raises(PydanticKnownError):
        decimal_places_validator(Decimal('1.' + '0'*28 + '1'), 28)

def test_minimum_decimal_places():
    codeflash_output = decimal_places_validator(Decimal('1.0'), 0)
    with pytest.raises(PydanticKnownError):
        decimal_places_validator(Decimal('1.1'), 0)

# Large Scale Test Cases
def test_large_scale():
    codeflash_output = decimal_places_validator(Decimal('1.' + '0'*1000 + '1'), 1001)
    with pytest.raises(PydanticKnownError):
        decimal_places_validator(Decimal('1.' + '0'*1000 + '1'), 1000)
# codeflash_output is used to check that the output of the original code is the same as that of the optimized code.