test/lit: Basic ndarray smoke tests for all binops

artiq/test/lit/integration/array_ops.py

@@ -8,6 +8,11 @@ assert c[0] == 5
 assert c[1] == 7
 assert c[2] == 9
 
+c = b - a
+assert c[0] == 3
+assert c[1] == 3
+assert c[2] == 3
+
 c = a * b
 assert c[0] == 4
 assert c[1] == 10
@@ -17,3 +22,19 @@ c = b // a
 assert c[0] == 4
 assert c[1] == 2
 assert c[2] == 2
+
+c = a ** b
+assert c[0] == 1
+assert c[1] == 32
+assert c[2] == 729
+
+c = b % a
+assert c[0] == 0
+assert c[1] == 1
+assert c[2] == 0
+
+# FIXME: Implement array coercion.
+# c = b / a
+# assert c[0] == 4.0
+# assert c[1] == 2.5
+# assert c[2] == 2.0