1 files changed, 41 insertions, 36 deletions
diff --git a/test/binaryen.js/optimize-levels.js b/test/binaryen.js/optimize-levels.js
index e42bd5409..b3ae66a43 100644
--- a/test/binaryen.js/optimize-levels.js
+++ b/test/binaryen.js/optimize-levels.js
@@ -18,47 +18,52 @@ var wast = `
  )
 )
 `;
-console.log("=== input wast ===" + wast);
 
-function printOptions() {
-  console.log("optimizeLevel=" + Binaryen.getOptimizeLevel());
-  console.log("shrinkLevel=" + Binaryen.getShrinkLevel());
-}
+function test() {
+  console.log("=== input wast ===" + wast);
+
+  function printOptions() {
+    console.log("optimizeLevel=" + Binaryen.getOptimizeLevel());
+    console.log("shrinkLevel=" + Binaryen.getShrinkLevel());
+  }
 
-// Use defaults (should be equal to -Os below)
-var module = Binaryen.parseText(wast);
+  // Use defaults (should be equal to -Os below)
+  var module = Binaryen.parseText(wast);
 
-console.log("=== unoptimized ===");
-assert(module.validate());
-console.log(module.emitText());
+  console.log("=== unoptimized ===");
+  assert(module.validate());
+  console.log(module.emitText());
 
-module.optimize();
-console.log("=== optimized using defaults ===");
-printOptions();
-assert(module.validate());
-console.log(module.emitText());
-module.dispose();
+  module.optimize();
+  console.log("=== optimized using defaults ===");
+  printOptions();
+  assert(module.validate());
+  console.log(module.emitText());
+  module.dispose();
 
-// Use -O0 (should remove the block)
-module = Binaryen.parseText(wast);
+  // Use -O0 (should remove the block)
+  module = Binaryen.parseText(wast);
 
-Binaryen.setOptimizeLevel(0);
-Binaryen.setShrinkLevel(0);
-module.optimize();
-console.log("=== optimized with -O0 ===");
-printOptions();
-assert(module.validate());
-console.log(module.emitText());
-module.dispose();
+  Binaryen.setOptimizeLevel(0);
+  Binaryen.setShrinkLevel(0);
+  module.optimize();
+  console.log("=== optimized with -O0 ===");
+  printOptions();
+  assert(module.validate());
+  console.log(module.emitText());
+  module.dispose();
 
-// Use -Os (should remove the block and convert to a select)
-module = Binaryen.parseText(wast);
+  // Use -Os (should remove the block and convert to a select)
+  module = Binaryen.parseText(wast);
+
+  Binaryen.setOptimizeLevel(2);
+  Binaryen.setShrinkLevel(1);
+  module.optimize();
+  console.log("=== optimized with -Os ===");
+  printOptions();
+  assert(module.validate());
+  console.log(module.emitText());
+  module.dispose();
+}
 
-Binaryen.setOptimizeLevel(2);
-Binaryen.setShrinkLevel(1);
-module.optimize();
-console.log("=== optimized with -Os ===");
-printOptions();
-assert(module.validate());
-console.log(module.emitText());
-module.dispose();
+Binaryen.ready.then(test);