add more min and max tests with or without keyword argument

test/tests/math_test.py

@@ -16,6 +16,130 @@ print min(1, 2)
 print max(range(5))
 print min(range(5))
 
+print min(['aaa', 'bbb', 'c'])
+print min(1, 2, 3)
+print min(0.1, 1.4, 12.7)
+print min('a', 'b', 'c')
+print min('aaa', 'bbb', 'c')
+print min('1', 2, 3, 'aa')
+print min([1, 2, 3])
+print min([0.1, 1.4, 12.7])
+print min(['a', 'b', 'c'])
+print min(['aaa', 'bbb', 'c'])
+print min(['1', 2, 3, 'aa'])
+
+try:
+    min(1)
+except TypeError as e:
+    print e.message
+
+try:
+    min()
+except TypeError as e:
+    print e.message
+
+try:
+    min([])
+except ValueError as e:
+    print e.message
+
+print max(1, 2, 3)
+print max(0.1, 1.4, 12.7)
+print max('a', 'b', 'c')
+print max('aaa', 'bbb', 'c')
+print max('1', 2, 3, 'aa')
+print max([1, 2, 3])
+print max([0.1, 1.4, 12.7])
+print max(['a', 'b', 'c'])
+print max(['aaa', 'bbb', 'c'])
+print max(['1', 2, 3, 'aa'])
+
+try:
+    max(1)
+except TypeError as e:
+    print e.message
+
+try:
+    max()
+except TypeError as e:
+    print e.message
+
+try:
+    max([])
+except ValueError as e:
+    print e.message
+
+# test with key function
+lst = [2, 1, 3, 4]
+print(min(lst, key=lambda x: x))
+print(min(lst, key=lambda x: -x))
+print(min(1, 2, 3, 4, key=lambda x: -x))
+print(min(4, 3, 2, 1, key=lambda x: -x))
+
+print(max(lst, key=lambda x: x))
+print(max(lst, key=lambda x: -x))
+print(max(1, 2, 3, 4, key=lambda x: -x))
+print(max(4, 3, 2, 1, key=lambda x: -x))
+
+print min([[1, 2], [3, 4], [9, 0]], key=lambda x: x[1])
+print min(1.2, 6.3, 6.9, key=int)
+print min("moon", "sun", "earth", key=len)
+
+print max([[1, 2], [3, 4], [9, 0]], key=lambda x: x[1])
+print max(1.2, 6.3, 6.9, key=int)
+print max("moon", "sun", "earth", key=len)
+
+try:
+    min(1, a=1)
+except TypeError as e:
+    print e.message
+
+try:
+    max(1, a=1)
+except TypeError as e:
+    print e.message
+
+try:
+    min(1, 2, key=lambda x, y: x+y)
+except TypeError as e:
+    print e.message
+
+try:
+    max(1, 2, key=lambda x, y: x+y)
+except TypeError as e:
+    print e.message
+
+try:
+    min([1], key=lambda x: x, extra_arg=1)
+except TypeError:
+    print e.message
+
+try:
+    max([1], key=lambda x: x, extra_arg=1)
+except TypeError:
+    print e.message
+
+
+class C(object):
+    def __init__(self, n):
+        self.n = n
+
+    def __lt__(self, rhs):
+        print "lt", self.n, rhs.n
+        return self.n < rhs.n
+
+    def __gt__(self, rhs):
+        print "gt", self.n, rhs.n
+        return self.n > rhs.n
+
+
+def key(x):
+    print "key", x.n
+    return C(-x.n)
+
+print min([C(1), C(3), C(2)], key=key).n
+print max([C(1), C(3), C(2)], key=key).n
+
 for x in [float("inf"), math.pi]:
     print x, math.isinf(x), math.fabs(x), math.ceil(x), math.log(x), math.log10(x)