trac 17468 two more integral tests

Author: fchapoton

src/sage/symbolic/integration/integral.py

@@ -885,6 +885,13 @@ def integrate(expression, v=None, a=None, b=None, algorithm=None, hold=False):
         sage: integrate(abs(x^2 - 1), x, -2, 2)
         4
 
+    Some tests for :trac:`17468`::
+
+        sage: integral(log(abs(2*sin(x))), x, 0, pi/3)
+        1/36*I*pi^2 + I*dilog(1/2*I*sqrt(3) + 1/2) + I*dilog(-1/2*I*sqrt(3) - 1/2)
+        sage: integral(log(abs(sin(x))), x, 0, pi/2)
+        -1/2*pi*log(2)
+
     Check that :trac:`25823` is fixed::
 
         sage: f = log(sin(x))*sin(x)^2