feat: add 2 example files

6 files changed, 164 insertions, 8 deletions

diff --git a/examples/fizzbuzz.c b/examples/fizzbuzz.c
new file mode 100644
index 0000000..c24ce89
--- /dev/null
+++ b/examples/fizzbuzz.c
@@ -0,0 +1,14 @@
+int printf(const char*, ...);
+
+int main() {
+    for (int i = 1; i <= 100; i++) {
+        if (i % 15 == 0)
+            printf("FizzBuzz\n");
+        else if (i % 3 == 0)
+            printf("Fizz\n");
+        else if (i % 5 == 0)
+            printf("Buzz\n");
+        else
+            printf("%d\n", i);
+    }
+}
diff --git a/examples/hello.c b/examples/hello.c
new file mode 100644
index 0000000..5dce624
--- /dev/null
+++ b/examples/hello.c
@@ -0,0 +1,5 @@
+int printf(const char*, ...);
+
+int main() {
+    printf("Hello, World!\n");
+}
diff --git a/tests/all.sh b/tests/all.sh
index 70776cf..ce7ab6d 100644
--- a/tests/all.sh
+++ b/tests/all.sh
@@ -2,13 +2,18 @@ set -e
 
 rm -rf tests/tmp
 mkdir -p tests/tmp
-for i in $(seq 1 999); do
-    testcase=$(printf '%03d' $i)
+
+for filename in tests/*.sh; do
+    testcase_="$(basename "$filename")"
+    testcase="${testcase_/%.sh/}"
     test_file="tests/$testcase.sh"
-    if [[ -f "$test_file" ]]; then
-        bash tests/run.sh "$testcase"
-    else
-        echo "All tests passed."
-        exit
-    fi
+    case "$testcase" in
+        all|run|test_*)
+            ;;
+        *)
+            bash tests/run.sh "$testcase"
+            ;;
+    esac
 done
+
+echo "All tests passed."
diff --git a/tests/ex_fizzbuzz.sh b/tests/ex_fizzbuzz.sh
new file mode 100644
index 0000000..03d1078
--- /dev/null
+++ b/tests/ex_fizzbuzz.sh
@@ -0,0 +1,106 @@
+set -e
+
+cat <<'EOF' > expected
+1
+2
+Fizz
+4
+Buzz
+Fizz
+7
+8
+Fizz
+Buzz
+11
+Fizz
+13
+14
+FizzBuzz
+16
+17
+Fizz
+19
+Buzz
+Fizz
+22
+23
+Fizz
+Buzz
+26
+Fizz
+28
+29
+FizzBuzz
+31
+32
+Fizz
+34
+Buzz
+Fizz
+37
+38
+Fizz
+Buzz
+41
+Fizz
+43
+44
+FizzBuzz
+46
+47
+Fizz
+49
+Buzz
+Fizz
+52
+53
+Fizz
+Buzz
+56
+Fizz
+58
+59
+FizzBuzz
+61
+62
+Fizz
+64
+Buzz
+Fizz
+67
+68
+Fizz
+Buzz
+71
+Fizz
+73
+74
+FizzBuzz
+76
+77
+Fizz
+79
+Buzz
+Fizz
+82
+83
+Fizz
+Buzz
+86
+Fizz
+88
+89
+FizzBuzz
+91
+92
+Fizz
+94
+Buzz
+Fizz
+97
+98
+Fizz
+Buzz
+EOF
+
+bash ../../test_example.sh fizzbuzz
diff --git a/tests/ex_hello.sh b/tests/ex_hello.sh
new file mode 100644
index 0000000..3c9e13b
--- /dev/null
+++ b/tests/ex_hello.sh
@@ -0,0 +1,7 @@
+set -e
+
+cat <<'EOF' > expected
+Hello, World!
+EOF
+
+bash ../../test_example.sh hello
diff --git a/tests/test_example.sh b/tests/test_example.sh
new file mode 100644
index 0000000..d5feaab
--- /dev/null
+++ b/tests/test_example.sh
@@ -0,0 +1,19 @@
+filename="../../../examples/$1.c"
+
+"$ducc" "$filename" > main.s
+if [[ $? -ne 0 ]]; then
+    exit 1
+fi
+gcc -Wl,-z,noexecstack -o a.out main.s
+if [[ ! -f input ]]; then
+    touch input
+fi
+./a.out "$@" < input > output
+exit_code=$?
+
+if [[ $exit_code -ne 0 ]]; then
+    echo "invalid exit code: $exit_code" >&2
+    exit 1
+fi
+
+diff -u expected output