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diff --git a/src/silx/gui/plot/test/testLimitConstraints.py b/src/silx/gui/plot/test/testLimitConstraints.py
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+++ b/src/silx/gui/plot/test/testLimitConstraints.py
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+# coding: utf-8
+# /*##########################################################################
+#
+# Copyright (c) 2016-2018 European Synchrotron Radiation Facility
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+# ###########################################################################*/
+"""Test setLimitConstaints on the PlotWidget"""
+
+__authors__ = ["V. Valls"]
+__license__ = "MIT"
+__date__ = "30/08/2017"
+
+
+import unittest
+from silx.gui.plot import PlotWidget
+
+
+class TestLimitConstaints(unittest.TestCase):
+    """Tests setLimitConstaints class"""
+
+    def setUp(self):
+        self.plot = PlotWidget()
+
+    def tearDown(self):
+        self.plot = None
+
+    def testApi(self):
+        """Test availability of the API"""
+        self.plot.getXAxis().setLimitsConstraints(minPos=1, maxPos=10)
+        self.plot.getXAxis().setRangeConstraints(minRange=1, maxRange=1)
+        self.plot.getYAxis().setLimitsConstraints(minPos=1, maxPos=10)
+        self.plot.getYAxis().setRangeConstraints(minRange=1, maxRange=1)
+
+    def testXMinMax(self):
+        """Test limit constains on x-axis"""
+        self.plot.getXAxis().setLimitsConstraints(minPos=0, maxPos=100)
+        self.plot.setLimits(xmin=-1, xmax=101, ymin=-1, ymax=101)
+        self.assertEqual(self.plot.getXAxis().getLimits(), (0, 100))
+        self.assertEqual(self.plot.getYAxis().getLimits(), (-1, 101))
+
+    def testYMinMax(self):
+        """Test limit constains on y-axis"""
+        self.plot.getYAxis().setLimitsConstraints(minPos=0, maxPos=100)
+        self.plot.setLimits(xmin=-1, xmax=101, ymin=-1, ymax=101)
+        self.assertEqual(self.plot.getXAxis().getLimits(), (-1, 101))
+        self.assertEqual(self.plot.getYAxis().getLimits(), (0, 100))
+
+    def testMinXRange(self):
+        """Test min range constains on x-axis"""
+        self.plot.getXAxis().setRangeConstraints(minRange=100)
+        self.plot.setLimits(xmin=1, xmax=99, ymin=1, ymax=99)
+        limits = self.plot.getXAxis().getLimits()
+        self.assertEqual(limits[1] - limits[0], 100)
+        limits = self.plot.getYAxis().getLimits()
+        self.assertNotEqual(limits[1] - limits[0], 100)
+
+    def testMaxXRange(self):
+        """Test max range constains on x-axis"""
+        self.plot.getXAxis().setRangeConstraints(maxRange=100)
+        self.plot.setLimits(xmin=-1, xmax=101, ymin=-1, ymax=101)
+        limits = self.plot.getXAxis().getLimits()
+        self.assertEqual(limits[1] - limits[0], 100)
+        limits = self.plot.getYAxis().getLimits()
+        self.assertNotEqual(limits[1] - limits[0], 100)
+
+    def testMinYRange(self):
+        """Test min range constains on y-axis"""
+        self.plot.getYAxis().setRangeConstraints(minRange=100)
+        self.plot.setLimits(xmin=1, xmax=99, ymin=1, ymax=99)
+        limits = self.plot.getXAxis().getLimits()
+        self.assertNotEqual(limits[1] - limits[0], 100)
+        limits = self.plot.getYAxis().getLimits()
+        self.assertEqual(limits[1] - limits[0], 100)
+
+    def testMaxYRange(self):
+        """Test max range constains on y-axis"""
+        self.plot.getYAxis().setRangeConstraints(maxRange=100)
+        self.plot.setLimits(xmin=-1, xmax=101, ymin=-1, ymax=101)
+        limits = self.plot.getXAxis().getLimits()
+        self.assertNotEqual(limits[1] - limits[0], 100)
+        limits = self.plot.getYAxis().getLimits()
+        self.assertEqual(limits[1] - limits[0], 100)
+
+    def testChangeOfConstraints(self):
+        """Test changing of the constraints"""
+        self.plot.getXAxis().setRangeConstraints(minRange=10, maxRange=10)
+        # There is no more constraints on the range
+        self.plot.getXAxis().setRangeConstraints(minRange=None, maxRange=None)
+        self.plot.setLimits(xmin=-1, xmax=101, ymin=-1, ymax=101)
+        self.assertEqual(self.plot.getXAxis().getLimits(), (-1, 101))
+
+    def testSettingConstraints(self):
+        """Test setting a constaint (setLimits first then the constaint)"""
+        self.plot.setLimits(xmin=-1, xmax=101, ymin=-1, ymax=101)
+        self.plot.getXAxis().setLimitsConstraints(minPos=0, maxPos=100)
+        self.assertEqual(self.plot.getXAxis().getLimits(), (0, 100))