1 files changed, 43 insertions, 0 deletions
diff --git a/tests/026.sh b/tests/026.sh
new file mode 100644
index 0000000..cd4500e
--- /dev/null
+++ b/tests/026.sh
@@ -0,0 +1,43 @@
+set -e
+
+cat <<'EOF' > expected
+EOF
+bash ../../test_diff.sh <<'EOF'
+#define A 1
+int main() {
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+1,2,3
+EOF
+bash ../../test_diff.sh <<'EOF'
+int printf();
+
+#define A 1
+#define B 2
+#define C 3
+
+int main() {
+    printf("%d,%d,%d\n", A, B, C);
+    return 0;
+}
+EOF
+
+cat <<'EOF' > expected
+0,0,0,0
+EOF
+bash ../../test_diff.sh <<'EOF'
+int printf();
+
+#define NULL 0
+#define TK_EOF        0
+#define TY_UNKNOWN 0
+#define AST_UNKNOWN       0
+
+int main() {
+    printf("%d,%d,%d,%d\n", NULL, TK_EOF, TY_UNKNOWN, AST_UNKNOWN);
+    return 0;
+}
+EOF