From c780cbb6acd0e0526f2d305138190392bdc8cdd7 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Sat, 24 Jan 2026 01:43:01 +0900
Subject: refactor: organize test files

---
 tests/variables.c | 74 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 tests/variables.c

(limited to 'tests/variables.c')

diff --git a/tests/variables.c b/tests/variables.c
new file mode 100644
index 0000000..0bd2127
--- /dev/null
+++ b/tests/variables.c
@@ -0,0 +1,74 @@
+#include <helpers.h>
+
+int printf(const char*, ...);
+int strcmp(const char*, const char*);
+
+// global variables
+int g_a;
+int* g_b = &g_a;
+int g_c[10];
+int* g_d = g_c;
+int g_e, *g_f = g_e, g_g[10], *g_h = g_g;
+
+char g_i = 42;
+short g_j = 123;
+int g_k = 999;
+
+char g_l[6] = "hello";
+
+int main() {
+    // global variables
+    *g_b = 123;
+    ASSERT_EQ(123, g_a);
+
+    g_d[2] = 42;
+    ASSERT_EQ(42, g_c[2]);
+
+    *g_f = 456;
+    ASSERT_EQ(456, g_e);
+
+    g_h[5] = 789;
+    ASSERT_EQ(789, g_g[5]);
+
+    ASSERT_EQ(42, g_i);
+    ASSERT_EQ(123, g_j);
+    ASSERT_EQ(999, g_k);
+
+    ASSERT_EQ(0, strcmp("hello", g_l));
+
+    // local variables
+    int foo;
+    foo = 42;
+    ASSERT_EQ(42, foo);
+
+    int bar;
+    bar = 28;
+    ASSERT_EQ(70, foo + bar);
+
+    int a1;
+    int a2;
+    int a3;
+    int a4;
+    int a5;
+    int a6;
+    int a7;
+    int a8;
+    int a9;
+
+    a1 = 1;
+    a2 = 2;
+    a3 = 3;
+    a4 = 4;
+    a5 = 5;
+    a6 = 6;
+    a7 = 7;
+    a8 = 8;
+    a9 = 9;
+
+    ASSERT_EQ(45, a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8 + a9 + 0);
+
+    int d = 2, e = d, f = d + e;
+    ASSERT_EQ(2, d);
+    ASSERT_EQ(2, e);
+    ASSERT_EQ(4, f);
+}
-- 
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