From 07fdfacd5ba3069f6ceb6fffef536d9f9fb57037 Mon Sep 17 00:00:00 2001
From: Felix Raimundo <felix.raimundo@numworks.com>
Date: Mon, 11 Apr 2016 16:45:10 +0200
Subject: [PATCH] Adds the equivalentTo test utility.

Change-Id: I1999a2e7434cc5919e628b906a13ec0edea04b8d
---
 poincare/test/simplify_utils.cpp | 23 +++++++++++++++++++++++
 poincare/test/simplify_utils.h   |  1 +
 2 files changed, 24 insertions(+)

diff --git a/poincare/test/simplify_utils.cpp b/poincare/test/simplify_utils.cpp
index 7beb120f0..24187fd0e 100644
--- a/poincare/test/simplify_utils.cpp
+++ b/poincare/test/simplify_utils.cpp
@@ -64,3 +64,26 @@ bool identical_to(const char * input_string, const char * expected_string) {
 
   return isIdentical;
 }
+
+bool equivalent_to(const char * input_string, const char * expected_string) {
+  Expression * input = Expression::parse(input_string);
+  assert(input != nullptr);
+#if POINCARE_TESTS_PRINT_EXPRESSIONS
+  cout << "Input = " << endl;
+  print_expression(input);
+#endif
+
+  Expression * expected = Expression::parse(expected_string);
+  assert(expected != nullptr);
+#if POINCARE_TESTS_PRINT_EXPRESSIONS
+  cout << "Expected = " << endl;
+  print_expression(expected);
+#endif
+
+  bool isEquivalent = input->isEquivalentTo(expected);
+
+  delete expected;
+  delete input;
+
+  return isEquivalent;
+}
diff --git a/poincare/test/simplify_utils.h b/poincare/test/simplify_utils.h
index 81598564d..28dd36297 100644
--- a/poincare/test/simplify_utils.h
+++ b/poincare/test/simplify_utils.h
@@ -6,5 +6,6 @@ bool simplifies_to(const char * input_string, const char * expected_string);
 
 /* Tests that the first expression is identical to the second. */
 bool identical_to(const char * input_string, const char * expected_string);
+bool equivalent_to(const char * input_string, const char * expected_string);
 
 #endif // POINCARE_TEST_SIMPLIFY_UTILS_H