File: test_image_getextrema.py

package info (click to toggle)
pillow 8.1.2%2Bdfsg-0.3%2Bdeb11u2
  • links: PTS
  • area: main
  • in suites: bullseye
  • size: 65,628 kB
  • sloc: python: 35,630; ansic: 31,009; makefile: 388; javascript: 114; sh: 77
file content (25 lines) | stat: -rw-r--r-- 757 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
 
from PIL import Image

from .helper import hopper


def test_extrema():
    def extrema(mode):
        return hopper(mode).getextrema()

    assert extrema("1") == (0, 255)
    assert extrema("L") == (1, 255)
    assert extrema("I") == (1, 255)
    assert extrema("F") == (1, 255)
    assert extrema("P") == (0, 225)  # fixed palette
    assert extrema("RGB") == ((0, 255), (0, 255), (0, 255))
    assert extrema("RGBA") == ((0, 255), (0, 255), (0, 255), (255, 255))
    assert extrema("CMYK") == ((0, 255), (0, 255), (0, 255), (0, 0))
    assert extrema("I;16") == (1, 255)


def test_true_16():
    with Image.open("Tests/images/16_bit_noise.tif") as im:
        assert im.mode == "I;16"
        extrema = im.getextrema()
    assert extrema == (106, 285)