1 files changed, 39 insertions, 1 deletions
diff --git a/prolog/problems/clp_r/megabytes_2/common.py b/prolog/problems/clp_r/megabytes_2/common.py
index 1cedd38..8412c6f 100644
--- a/prolog/problems/clp_r/megabytes_2/common.py
+++ b/prolog/problems/clp_r/megabytes_2/common.py
@@ -1,10 +1,48 @@
 # coding=utf-8
 
+from operator import itemgetter
+import socket
+
+import prolog.engine
+import prolog.util
+from server.hints import Hint, HintPopup
+
 id = 160
 number = 65
-visible = False
+visible = True
 facts = None
 
 solution = '''\
 megabytes(SI, IEC) :-
     { SI * 2^20 = IEC * 10^6 }.'''
+
+test_cases = [
+    ('megabytes(12, X), abs(X - 11.444091796875) =< 1e-8',
+        [{}]),
+    ('megabytes(65, X), abs(X - 61.98883056640625) =< 1e-8',
+        [{}]),
+    ('megabytes(X, 17), abs(X - 17.825792) =< 1e-8',
+        [{}]),
+    ('megabytes(X, 47), abs(X - 49.283072) =< 1e-8',
+        [{}]),
+]
+
+def test(code, aux_code):
+    n_correct = 0
+    engine_id = None
+    try:
+        engine_id, output = prolog.engine.create(code=code+aux_code, timeout=1.0)
+        if engine_id is not None and 'error' not in map(itemgetter(0), output):
+            # Engine successfully created, and no syntax error in program.
+            for query, answers in test_cases:
+                if prolog.engine.check_answers(engine_id, query=query, answers=answers, timeout=1.0):
+                    n_correct += 1
+    except socket.timeout:
+        pass
+    finally:
+        if engine_id:
+            prolog.engine.destroy(engine_id)
+
+    hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_cases)}}]
+    return n_correct, len(test_cases), hints
+