Add regression test

Closes sympy/sympy#21549
skirpichev · Jun 1, 2021 · 4dc3a29 · 4dc3a29
1 parent 01613c6
commit 4dc3a29
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diff --git a/diofant/tests/integrals/test_integrals.py b/diofant/tests/integrals/test_integrals.py
@@ -1399,3 +1399,7 @@ def test_sympyissue_21024():
 
 def test_sympyissue_21166():
     assert integrate(sin(x/sqrt(abs(x))), (x, -1, 1)) == 0
+
+
+def test_sympyissue_21549():
+    assert integrate(x*sqrt(abs(x)), (x, -1, 0)) == Rational(-2, 5)
diff --git a/docs/release/notes-0.13.rst b/docs/release/notes-0.13.rst
@@ -87,3 +87,4 @@ These Sympy issues also were addressed:
 * :sympyissue:`21486`: expand_func(besselj(oo, x)) -> RecursionError
 * :sympyissue:`21530`: Incorrect limit
 * :sympyissue:`21166`: Wrong integration result involving square root of absolute value
+* :sympyissue:`21549`: Bug: integrate(x*sqrt(abs(x)),(x,-1,0)) returns wrong result