add output test

1 files changed, 22 insertions, 0 deletions

diff --git a/tests/test_output.sh b/tests/test_output.sh
new file mode 100644
index 0000000..f4a4a20
--- /dev/null
+++ b/tests/test_output.sh
@@ -0,0 +1,22 @@
+cat > main.c
+
+"$p4dcc" < main.c > main.s
+if [[ $? -ne 0 ]]; then
+    cat main.s >&2
+    exit 1
+fi
+gcc -Wl,-z,noexecstack -o a.out main.s
+output="$(./a.out)"
+exit_code=$?
+
+if [[ $exit_code -ne 0 ]]; then
+    echo "invalid exit code: $exit_code" >&2
+    exit 1
+fi
+
+expected="$1"
+
+if [[ "$output" -ne "$expected" ]]; then
+    echo "invalid output: expected '$expected', but got '$output'" >&2
+    exit 1
+fi