chore: add script to run test suite

Author: aymaneelmaini

Makefile

@@ -5,6 +5,7 @@ LDFLAGS = -lcriterion
 
 SOURCES = src/scanner.c src/chunk.c src/compiler.c src/debug.c src/memory.c src/value.c src/vm.c src/object.c src/table.c src/native_fn.c
 TEST_SOURCES = tests/scanner_test.c 
+EXAMPLE_RUNNER = tests/run_examples.sh
 
 all: clox
 
@@ -22,5 +23,8 @@ testf: $(TEST_SOURCES) $(SOURCES)
 	@$(CC) $(CTEST_FLAGS) -o test_runner $(TEST_SOURCES) $(SOURCES) -I. $(LDFLAGS)
 	@./test_runner --fail-fast
 
+examples: clox
+	@$(EXAMPLE_RUNNER)
+
 clean:
 	@rm -f test_runner clox

tests/run_examples.sh

@@ -0,0 +1,92 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+CLOX_BIN="$ROOT_DIR/clox"
+
+if [[ ! -x "$CLOX_BIN" ]]; then
+  echo "clox binary not found. Run: make clox"
+  exit 1
+fi
+
+PASS=0
+FAIL=0
+TMP_STDOUT="/tmp/clox_example_stdout.txt"
+TMP_STDERR="/tmp/clox_example_stderr.txt"
+trap 'rm -f "$TMP_STDOUT" "$TMP_STDERR"' EXIT
+
+run_case() {
+  local file="$1"
+  local expected="$2"
+  local input_data="${3:-}"
+
+  local rc
+  if [[ -n "$input_data" ]]; then
+    rc=0
+    timeout 20s "$CLOX_BIN" "$ROOT_DIR/$file" <<<"$input_data" >"$TMP_STDOUT" 2>"$TMP_STDERR" || rc=$?
+  else
+    rc=0
+    timeout 20s "$CLOX_BIN" "$ROOT_DIR/$file" </dev/null >"$TMP_STDOUT" 2>"$TMP_STDERR" || rc=$?
+  fi
+
+  local ok=0
+  case "$expected" in
+    ok)
+      [[ "$rc" -eq 0 ]] && ok=1
+      ;;
+    compile_error)
+      [[ "$rc" -eq 65 ]] && ok=1
+      ;;
+    runtime_error)
+      [[ "$rc" -eq 70 ]] && ok=1
+      ;;
+    nonzero)
+      [[ "$rc" -ne 0 ]] && ok=1
+      ;;
+  esac
+
+  if [[ "$ok" -eq 1 ]]; then
+    echo "PASS $file (exit=$rc expected=$expected)"
+    PASS=$((PASS + 1))
+  else
+    echo "FAIL $file (exit=$rc expected=$expected)"
+    if [[ -s "$TMP_STDOUT" ]]; then
+      echo "[stdout]"
+      cat "$TMP_STDOUT"
+    fi
+    if [[ -s "$TMP_STDERR" ]]; then
+      echo "[stderr]"
+      cat "$TMP_STDERR"
+    fi
+    FAIL=$((FAIL + 1))
+  fi
+}
+
+run_case "examples/anonymous_functions.lox" "ok"
+run_case "examples/classes.lox" "ok"
+run_case "examples/closures.lox" "ok"
+run_case "examples/control_flow.lox" "ok"
+run_case "examples/example_fibonacci.lox" "ok"
+run_case "examples/example_quiz.lox" "ok" $'4\nParis\nno'
+run_case "examples/example_user_db.lox" "ok" $'Alice\nalice@example.com\nBob\nbob@example.com'
+run_case "examples/fibonacci.lox" "ok"
+run_case "examples/functions.lox" "ok"
+run_case "examples/inheritance.lox" "ok"
+run_case "examples/loops.lox" "ok"
+run_case "examples/native_input.lox" "ok" $'24\nyes'
+run_case "examples/native_lox.lox" "ok"
+run_case "examples/native_scan.lox" "ok" $'Aymane'
+run_case "examples/operators.lox" "ok"
+run_case "examples/static_methods.lox" "ok"
+run_case "examples/super.lox" "ok"
+
+run_case "examples/errors/parse_error.lox" "compile_error"
+run_case "examples/errors/runtime_error_division_by_zero.lox" "runtime_error"
+run_case "examples/errors/runtime_error_undefined_variable.lox" "runtime_error"
+run_case "examples/errors/type_error.lox" "runtime_error"
+
+echo "Summary: pass=$PASS fail=$FAIL total=$((PASS + FAIL))"
+
+if [[ "$FAIL" -ne 0 ]]; then
+  exit 1
+fi