Add restart test

test/CMakeLists.txt

@@ -13,6 +13,7 @@ list(APPEND tests
   import-dynamic-mjs.mjs
   import-mjs.cjs
   import-mjs.mjs
+  restart.c
   suspend-from-thread.js
   suspend-resume.js
   suspend-resume-from-thread.js

test/restart.c

@@ -0,0 +1,50 @@
+#include <assert.h>
+#include <bare.h>
+#include <js.h>
+#include <string.h>
+#include <uv.h>
+
+int
+main (int argc, char *argv[]) {
+  int e;
+
+  argc = 0;
+  argv = NULL;
+
+  argv = uv_setup_args(argc, argv);
+
+  js_platform_t *platform;
+  e = js_create_platform(uv_default_loop(), NULL, &platform);
+  assert(e == 0);
+
+  int exit_code = 0;
+
+  do {
+    bare_t *bare;
+    e = bare_setup(uv_default_loop(), platform, NULL, argc, argv, NULL, &bare);
+    assert(e == 0);
+
+    char *code;
+
+    if (exit_code == 0) {
+      code = "console.log('Restarting'); Bare.exit(1)";
+    } else {
+      code = "console.log('Restarted')";
+    }
+
+    uv_buf_t source = uv_buf_init(code, strlen(code));
+
+    bare_run(bare, "/test.js", &source);
+
+    e = bare_teardown(bare, &exit_code);
+    assert(e == 0);
+  } while (exit_code == 1);
+
+  e = js_destroy_platform(platform);
+  assert(e == 0);
+
+  e = uv_run(uv_default_loop(), UV_RUN_DEFAULT);
+  assert(e == 0);
+
+  return exit_code;
+}