From 71036dd75160892dc6b82c59b6c9a18626b0fbca Mon Sep 17 00:00:00 2001
From: Steve Kinney <hello@stevekinney.net>
Date: Sat, 4 Nov 2017 16:08:37 -0600
Subject: [PATCH] test: Add basic WebAssembly test

Tests a basic WebAssembly module that adds two numbers.
wasm example from the WebAssembly/wabt repo licensed
Apache 2.0.

Refs: https://github.com/WebAssembly/wabt/blob/master/demo/wat2wasm/examples.js#L27-L32
---
 test/.eslintrc.yaml               |   4 ++++
 test/fixtures/test.wasm           | Bin 0 -> 44 bytes
 test/parallel/test-wasm-simple.js |  18 ++++++++++++++++++
 3 files changed, 22 insertions(+)
 create mode 100644 test/fixtures/test.wasm
 create mode 100644 test/parallel/test-wasm-simple.js

diff --git a/test/.eslintrc.yaml b/test/.eslintrc.yaml
index 6be0ca4e3f83bc..aa320996aa4b16 100644
--- a/test/.eslintrc.yaml
+++ b/test/.eslintrc.yaml
@@ -15,3 +15,7 @@ rules:
   inspector-check: error
   ## common module is mandatory in tests
   required-modules: [error, common]
+
+# Global scoped methods and vars
+globals:
+  WebAssembly: false
diff --git a/test/fixtures/test.wasm b/test/fixtures/test.wasm
new file mode 100644
index 0000000000000000000000000000000000000000..8b19588df228b76c6747d04aee091cbe268592d0
GIT binary patch
literal 44
zcmZQbEY4+QU|?WmXG~zKuV<`hW@2Pu=VD|_Oi2kT&u3uZ;$&oJP+(AC%;E+BoDK$l

literal 0
HcmV?d00001

diff --git a/test/parallel/test-wasm-simple.js b/test/parallel/test-wasm-simple.js
new file mode 100644
index 00000000000000..6227875fd8a9df
--- /dev/null
+++ b/test/parallel/test-wasm-simple.js
@@ -0,0 +1,18 @@
+'use strict';
+
+require('../common');
+
+const assert = require('assert');
+const fixtures = require('../common/fixtures');
+
+const buffer = fixtures.readSync('test.wasm');
+
+assert.ok(WebAssembly.validate(buffer), 'Buffer should be valid WebAssembly');
+
+WebAssembly.instantiate(buffer, {}).then((results) => {
+  assert.strictEqual(
+    results.instance.exports.addTwo(10, 20),
+    30,
+    'Exported function should add two numbers.',
+  );
+});