From 6c30e282ef347e44e3346fc857061bc4c9b77fd7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Lov=C3=A9n?= <thomasloven@gmail.com>
Date: Wed, 14 Feb 2018 16:11:59 +0100
Subject: [PATCH] Add tests for pointer comparison

---
 toolchain/ttest.h  |  3 +++
 toolchain/ttest.tt | 20 ++++++++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/toolchain/ttest.h b/toolchain/ttest.h
index 6e6a9e2..1f92aaa 100644
--- a/toolchain/ttest.h
+++ b/toolchain/ttest.h
@@ -3,6 +3,7 @@
 #include <sys/wait.h>
 #include <stdlib.h>
 #include <string.h>
+#include <inttypes.h>
 
 
 #define TT_FAIL(error, ...) dprintf(tt_pipe[1], "\"%s\" Line %d: %s >> " error "\n", tt_current->filename, __LINE__, tt_current->name, ##__VA_ARGS__);
@@ -56,6 +57,8 @@
 #define ASSERT_EQ_CHR(lhs, rhs) ASSERT_EQUAL(char, "c", lhs, rhs)
 #define ASSERT_NEQ_CHR(lhs, rhs) ASSERT_NOT_EQUAL(char, "c", lhs, rhs)
 #define ASSERT_EQ_STR(lhs, rhs, n) ASSERT_STRN(lhs, rhs, n)
+#define ASSERT_EQ_PTR(lhs, rhs) ASSERT_EQUAL(uintptr_t, PRIxPTR, lhs, rhs)
+#define ASSERT_NEQ_PTR(lhs, rhs) ASSERT_NOT_EQUAL(uintptr_t, PRIxPTR, lhs, rhs)
 
 #define TEST(name) \
   int ttt_##name(); \
diff --git a/toolchain/ttest.tt b/toolchain/ttest.tt
index 6aad2e1..6ec825a 100644
--- a/toolchain/ttest.tt
+++ b/toolchain/ttest.tt
@@ -46,3 +46,23 @@ TEST(FAIL_two_equal_strings)
 {
   ASSERT_EQ_STR("Hello", "World", 5);
 }
+
+int a, b;
+
+TEST(two_equal_pointers)
+{
+  ASSERT_EQ_PTR(&a, &a);
+}
+TEST(FAIL_two_equal_pointers)
+{
+  ASSERT_EQ_PTR(&a, &b);
+}
+
+TEST(two_different_pointers)
+{
+  ASSERT_NEQ_PTR(&a, &b);
+}
+TEST(FAIL_two_different_pointers)
+{
+  ASSERT_NEQ_PTR(&a, &a);
+}