4 files changed, 42 insertions, 11 deletions
diff --git a/tests/basics/builtin-bin.py b/tests/basics/builtin-bin.py
new file mode 100644
index 0000000000..f6b6079de5
--- /dev/null
+++ b/tests/basics/builtin-bin.py
@@ -0,0 +1,12 @@
+# test builtin bin function
+
+print(bin(1))
+print(bin(-1))
+print(bin(15))
+print(bin(-15))
+
+print(bin(12345))
+print(bin(0b10101))
+
+print(bin(12345678901234567890))
+print(bin(0b10101010101010101010))
diff --git a/tests/basics/builtin-hex.py b/tests/basics/builtin-hex.py
new file mode 100644
index 0000000000..7d1c98a7a9
--- /dev/null
+++ b/tests/basics/builtin-hex.py
@@ -0,0 +1,12 @@
+# test builtin hex function
+
+print(hex(1))
+print(hex(-1))
+print(hex(15))
+print(hex(-15))
+
+print(hex(12345))
+print(hex(0x12345))
+
+print(hex(12345678901234567890))
+print(hex(0x12345678901234567890))
diff --git a/tests/basics/builtin-oct.py b/tests/basics/builtin-oct.py
new file mode 100644
index 0000000000..d8ba8e4346
--- /dev/null
+++ b/tests/basics/builtin-oct.py
@@ -0,0 +1,12 @@
+# test builtin oct function
+
+print(oct(1))
+print(oct(-1))
+print(oct(15))
+print(oct(-15))
+
+print(oct(12345))
+print(oct(0o12345))
+
+print(oct(12345678901234567890))
+print(oct(0o12345670123456701234))
diff --git a/tests/basics/memoryerror.py b/tests/basics/memoryerror.py
index e9aa97d858..b4be420c31 100644
--- a/tests/basics/memoryerror.py
+++ b/tests/basics/memoryerror.py
@@ -1,11 +1,6 @@
-# this test for MemoryError can be difficult to reproduce
-# on different machine configurations (notably Travis CI)
-# so we disable it
-# TODO is there a way of testing that we are on Travis CI?
-if False:
-    l = list(range(10000))
-    try:
-        100000000 * l
-    except MemoryError:
-        print('MemoryError')
-    print(len(l), l[0], l[-1])
+l = list(range(10000))
+try:
+    100000000 * l
+except MemoryError:
+    print('MemoryError')
+print(len(l), l[0], l[-1])