diff --git a/tests/basics/builtin_allany.py b/tests/basics/builtin_allany.py
new file mode 100644
index 0000000000..7eb8bc6afe
--- /dev/null
+++ b/tests/basics/builtin_allany.py
@@ -0,0 +1,20 @@
+# test builtin "all" and "any"
+
+tests = (
+    (),
+    [],
+    [False],
+    [True],
+    [False, True],
+    [True, False],
+    [False, False],
+    [True, True],
+    (False for i in range(10)),
+    (True for i in range(10)),
+)
+
+for test in tests:
+    print(all(test))
+
+for test in tests:
+    print(any(test))
diff --git a/tests/basics/builtin_sum.py b/tests/basics/builtin_sum.py
new file mode 100644
index 0000000000..1512a333f6
--- /dev/null
+++ b/tests/basics/builtin_sum.py
@@ -0,0 +1,14 @@
+# test builtin "sum"
+
+tests = (
+    (),
+    [],
+    [0],
+    [1],
+    [0, 1, 2],
+    (i for i in range(10)),
+)
+
+for test in tests:
+    print(sum(test))
+    print(sum(test, -2))
diff --git a/tests/float/complex1.py b/tests/float/complex1.py
index 941a00d35c..4cf7a25f6d 100644
--- a/tests/float/complex1.py
+++ b/tests/float/complex1.py
@@ -26,3 +26,7 @@ print(1j / 2)
 #print(1j / 2j) uPy doesn't print correctly
 #print(1j ** 2) uPy doesn't print correctly
 #print(1j ** 2j) uPy doesn't print correctly
+
+# builtin abs
+print(abs(1j))
+print(abs(1j + 2))