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test/js-native-api/3_callbacks/3_callbacks.c

@@ -0,0 +1,58 @@
+#include <js_native_api.h>
+#include <string.h>
+#include "../common.h"
+#include "../entry_point.h"
+
+static napi_value RunCallback(napi_env env, napi_callback_info info) {
+  size_t argc = 2;
+  napi_value args[2];
+  NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
+
+  NODE_API_ASSERT(env, argc == 1,
+      "Wrong number of arguments. Expects a single argument.");
+
+  napi_valuetype valuetype0;
+  NODE_API_CALL(env, napi_typeof(env, args[0], &valuetype0));
+  NODE_API_ASSERT(env, valuetype0 == napi_function,
+      "Wrong type of arguments. Expects a function as first argument.");
+
+  napi_valuetype valuetype1;
+  NODE_API_CALL(env, napi_typeof(env, args[1], &valuetype1));
+  NODE_API_ASSERT(env, valuetype1 == napi_undefined,
+      "Additional arguments should be undefined.");
+
+  napi_value argv[1];
+  const char* str = "hello world";
+  size_t str_len = strlen(str);
+  NODE_API_CALL(env, napi_create_string_utf8(env, str, str_len, argv));
+
+  napi_value global;
+  NODE_API_CALL(env, napi_get_global(env, &global));
+
+  napi_value cb = args[0];
+  NODE_API_CALL(env, napi_call_function(env, global, cb, 1, argv, NULL));
+
+  return NULL;
+}
+
+static napi_value RunCallbackWithRecv(napi_env env, napi_callback_info info) {
+  size_t argc = 2;
+  napi_value args[2];
+  NODE_API_CALL(env, napi_get_cb_info(env, info, &argc, args, NULL, NULL));
+
+  napi_value cb = args[0];
+  napi_value recv = args[1];
+  NODE_API_CALL(env, napi_call_function(env, recv, cb, 0, NULL, NULL));
+  return NULL;
+}
+
+EXTERN_C_START
+napi_value Init(napi_env env, napi_value exports) {
+  napi_property_descriptor desc[2] = {
+    DECLARE_NODE_API_PROPERTY("RunCallback", RunCallback),
+    DECLARE_NODE_API_PROPERTY("RunCallbackWithRecv", RunCallbackWithRecv),
+  };
+  NODE_API_CALL(env, napi_define_properties(env, exports, 2, desc));
+  return exports;
+}
+EXTERN_C_END

test/js-native-api/3_callbacks/binding.gyp

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+{
+  "targets": [
+    {
+      "target_name": "3_callbacks",
+      "sources": [
+        "3_callbacks.c"
+      ]
+    }
+  ]
+}

test/js-native-api/3_callbacks/test.js

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+'use strict';
+const common = require('../../common');
+const assert = require('assert');
+const addon = require(`./build/${common.buildType}/3_callbacks`);
+
+addon.RunCallback(function(msg) {
+  assert.strictEqual(msg, 'hello world');
+});
+
+function testRecv(desiredRecv) {
+  addon.RunCallbackWithRecv(function() {
+    assert.strictEqual(this, desiredRecv);
+  }, desiredRecv);
+}
+
+testRecv(undefined);
+testRecv(null);
+testRecv(5);
+testRecv(true);
+testRecv('Hello');
+testRecv([]);
+testRecv({});