From 392b3ef66f007442b7a5ba6ba5fd979bd1c11768 Mon Sep 17 00:00:00 2001
From: Volker Berlin <volker.berlin@googlemail.com>
Date: Sat, 1 Dec 2018 18:32:18 +0100
Subject: [PATCH] prepare wat test via SpiderMonkey

---
 .../jwebassembly/ScriptEngine.java            | 13 +++++++--
 .../jwebassembly/SpiderMonkeyWatTest.js       | 28 +++++++++++++++++++
 .../inetsoftware/jwebassembly/WasmRule.java   | 20 ++++++++-----
 3 files changed, 51 insertions(+), 10 deletions(-)
 create mode 100644 test/de/inetsoftware/jwebassembly/SpiderMonkeyWatTest.js

diff --git a/test/de/inetsoftware/jwebassembly/ScriptEngine.java b/test/de/inetsoftware/jwebassembly/ScriptEngine.java
index def393d..adec9ad 100644
--- a/test/de/inetsoftware/jwebassembly/ScriptEngine.java
+++ b/test/de/inetsoftware/jwebassembly/ScriptEngine.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2017 Volker Berlin (i-net software)
+ * Copyright 2017 - 2018 Volker Berlin (i-net software)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,10 +24,17 @@ import java.util.Collection;
 public enum ScriptEngine {
     NodeJS,
     SpiderMonkey,
-    NodeWast;
+    NodeWat,
+    SpiderMonkeyWat,
+    ;
 
     public static Collection<ScriptEngine[]> testParams() {
-        ScriptEngine[][] val = {{ScriptEngine.SpiderMonkey},{ScriptEngine.NodeJS},{ScriptEngine.NodeWast}};
+        ScriptEngine[][] val = { //
+                        { ScriptEngine.SpiderMonkey }, //
+                        { ScriptEngine.NodeJS }, //
+                        { ScriptEngine.NodeWat }, //
+//                        { ScriptEngine.SpiderMonkeyWat },//
+        };
         return Arrays.asList(val);
     }
 }
diff --git a/test/de/inetsoftware/jwebassembly/SpiderMonkeyWatTest.js b/test/de/inetsoftware/jwebassembly/SpiderMonkeyWatTest.js
new file mode 100644
index 0000000..b921e17
--- /dev/null
+++ b/test/de/inetsoftware/jwebassembly/SpiderMonkeyWatTest.js
@@ -0,0 +1,28 @@
+#!/usr/bin/env node
+
+var filename = '{test.wat}';
+var ret = wasmTextToBinary(read(filename));
+
+function instantiate(bytes, imports) {
+  return WebAssembly.compile(bytes).then(
+    m => new WebAssembly.Instance(m, imports), reason => console.log(reason) );
+}
+
+var dependencies = {
+    "global": {},
+    "env": {}
+};
+dependencies["global.Math"] = Math;
+
+function callExport(instance) {
+    try{
+        console.log( instance.exports[scriptArgs[0]]( ...scriptArgs.slice(1) ) );
+    }catch(err){
+        console.log(err)
+    }
+}
+
+instantiate( ret, dependencies ).then( 
+  instance => callExport(instance),
+  reason => console.log(reason)
+);
diff --git a/test/de/inetsoftware/jwebassembly/WasmRule.java b/test/de/inetsoftware/jwebassembly/WasmRule.java
index 6966a91..1b9c84f 100644
--- a/test/de/inetsoftware/jwebassembly/WasmRule.java
+++ b/test/de/inetsoftware/jwebassembly/WasmRule.java
@@ -54,7 +54,9 @@ public class WasmRule extends TemporaryFolder {
 
     private File                      spiderMonkeyScript;
 
-    private File                      nodeWastScript;
+    private File                      nodeWatScript;
+
+    private File                      spiderMonkeyWatScript;
 
     private boolean                   failed;
 
@@ -113,7 +115,8 @@ public class WasmRule extends TemporaryFolder {
 
             nodeScript = createScript( "nodetest.js" );
             spiderMonkeyScript = createScript( "SpiderMonkeyTest.js" );
-            nodeWastScript = createScript( "WatTest.js" );
+            nodeWatScript = createScript( "WatTest.js" );
+            spiderMonkeyWatScript = createScript( "SpiderMonkeyWatTest.js" );
 
             //create dummy files to prevent error messages
             FileOutputStream jsonPackage = new FileOutputStream( new File( getRoot(), "package.json" ) );
@@ -253,13 +256,16 @@ public class WasmRule extends TemporaryFolder {
         try {
             switch( script ) {
                 case SpiderMonkey:
-                    processBuilder = spiderMonkeyCommand();
+                    processBuilder = spiderMonkeyCommand( spiderMonkeyScript );
+                    break;
+                case SpiderMonkeyWat:
+                    processBuilder = spiderMonkeyCommand( spiderMonkeyWatScript );
                     break;
                 case NodeJS:
                     processBuilder = nodeJsCommand( nodeScript );
                     break;
-                case NodeWast:
-                    processBuilder = nodeJsCommand( nodeWastScript );
+                case NodeWat:
+                    processBuilder = nodeJsCommand( nodeWatScript );
                     break;
                 default:
                     throw new IllegalStateException( script.toString() );
@@ -304,8 +310,8 @@ public class WasmRule extends TemporaryFolder {
      * @throws IOException
      *             if the download failed
      */
-    private ProcessBuilder spiderMonkeyCommand() throws IOException {
-        return new ProcessBuilder( spiderMonkey.getCommand(), "--wasm-gc", spiderMonkeyScript.getAbsolutePath() );
+    private ProcessBuilder spiderMonkeyCommand( File script ) throws IOException {
+        return new ProcessBuilder( spiderMonkey.getCommand(), "--wasm-gc", script.getAbsolutePath() );
     }
 
     /**