From 0a2ed352538e1cb96c7cb39d69ecbbe6a71da854 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Johannes=20Sch=C3=B6nberger?= Date: Fri, 22 Nov 2013 12:30:49 +0100 Subject: [PATCH] Add test for negative input image --- skimage/exposure/tests/test_exposure.py | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/skimage/exposure/tests/test_exposure.py b/skimage/exposure/tests/test_exposure.py index 2b696b32..f952d158 100644 --- a/skimage/exposure/tests/test_exposure.py +++ b/skimage/exposure/tests/test_exposure.py @@ -2,7 +2,7 @@ import warnings import numpy as np from numpy.testing import assert_array_almost_equal as assert_close -from numpy.testing import assert_array_equal +from numpy.testing import assert_array_equal, assert_raises import skimage from skimage import data from skimage import exposure @@ -336,3 +336,8 @@ def test_adjust_inv_sigmoid_cutoff_half(): result = exposure.adjust_sigmoid(image, 0.5, 10, True) assert_array_equal(result, expected) + + +def test_neggative(): + image = np.arange(-10, 245, 4).reshape(8, 8).astype(np.double) + assert_raises(ValueError, exposure.adjust_gamma, image)