5 files changed, 84 insertions, 0 deletions
diff --git a/test/binaryen.js/expressions.js b/test/binaryen.js/expressions.js
index 6d4fa8011..3d2a5d138 100644
--- a/test/binaryen.js/expressions.js
+++ b/test/binaryen.js/expressions.js
@@ -1377,6 +1377,22 @@ console.log("# RefIs");
     "(ref.is_null\n (local.get $2)\n)\n"
   );
 
+  assert(
+    binaryen.RefIs(module.ref.is_func(value)).toText()
+    ==
+    "(ref.is_func\n (local.get $2)\n)\n"
+  );
+  assert(
+    binaryen.RefIs(module.ref.is_data(value)).toText()
+    ==
+    "(ref.is_data\n (local.get $2)\n)\n"
+  );
+  assert(
+    binaryen.RefIs(module.ref.is_i31(value)).toText()
+    ==
+    "(ref.is_i31\n (local.get $2)\n)\n"
+  );
+
   module.dispose();
 })();
 
diff --git a/test/heap-types.wast b/test/heap-types.wast
index da8baf1e0..614bbb1c5 100644
--- a/test/heap-types.wast
+++ b/test/heap-types.wast
@@ -182,4 +182,9 @@
       )
     )
   )
+  (func $ref.is_X (param $x anyref)
+    (if (ref.is_func (local.get $x)) (unreachable))
+    (if (ref.is_data (local.get $x)) (unreachable))
+    (if (ref.is_i31 (local.get $x)) (unreachable))
+  )
 )
diff --git a/test/heap-types.wast.from-wast b/test/heap-types.wast.from-wast
index 33c86b903..b717de63f 100644
--- a/test/heap-types.wast.from-wast
+++ b/test/heap-types.wast.from-wast
@@ -4,6 +4,7 @@
  (type ${} (struct ))
  (type ${mut:f32} (struct (field (mut f32))))
  (type $none_=>_none (func))
+ (type $anyref_=>_none (func (param anyref)))
  (type ${i32} (struct (field i32)))
  (type ${i32_i64} (struct (field i32) (field i64)))
  (type $[mut:i32] (array (mut i32)))
@@ -196,4 +197,24 @@
    )
   )
  )
+ (func $ref.is_X (param $x anyref)
+  (if
+   (ref.is_func
+    (local.get $x)
+   )
+   (unreachable)
+  )
+  (if
+   (ref.is_data
+    (local.get $x)
+   )
+   (unreachable)
+  )
+  (if
+   (ref.is_i31
+    (local.get $x)
+   )
+   (unreachable)
+  )
+ )
 )
diff --git a/test/heap-types.wast.fromBinary b/test/heap-types.wast.fromBinary
index 2e1f25235..5b6dca2f6 100644
--- a/test/heap-types.wast.fromBinary
+++ b/test/heap-types.wast.fromBinary
@@ -4,6 +4,7 @@
  (type ${} (struct ))
  (type ${mut:f32} (struct (field (mut f32))))
  (type $none_=>_none (func))
+ (type $anyref_=>_none (func (param anyref)))
  (type ${i32} (struct (field i32)))
  (type ${i32_i64} (struct (field i32) (field i64)))
  (type $[mut:i32] (array (mut i32)))
@@ -195,5 +196,25 @@
    )
   )
  )
+ (func $ref.is_X (param $x anyref)
+  (if
+   (ref.is_func
+    (local.get $x)
+   )
+   (unreachable)
+  )
+  (if
+   (ref.is_data
+    (local.get $x)
+   )
+   (unreachable)
+  )
+  (if
+   (ref.is_i31
+    (local.get $x)
+   )
+   (unreachable)
+  )
+ )
 )
 
diff --git a/test/heap-types.wast.fromBinary.noDebugInfo b/test/heap-types.wast.fromBinary.noDebugInfo
index beb9732a1..fef210e11 100644
--- a/test/heap-types.wast.fromBinary.noDebugInfo
+++ b/test/heap-types.wast.fromBinary.noDebugInfo
@@ -4,6 +4,7 @@
  (type ${} (struct ))
  (type ${mut:f32} (struct (field (mut f32))))
  (type $none_=>_none (func))
+ (type $anyref_=>_none (func (param anyref)))
  (type ${i32} (struct (field i32)))
  (type ${i32_i64} (struct (field i32) (field i64)))
  (type $[mut:i32] (array (mut i32)))
@@ -195,5 +196,25 @@
    )
   )
  )
+ (func $5 (param $0 anyref)
+  (if
+   (ref.is_func
+    (local.get $0)
+   )
+   (unreachable)
+  )
+  (if
+   (ref.is_data
+    (local.get $0)
+   )
+   (unreachable)
+  )
+  (if
+   (ref.is_i31
+    (local.get $0)
+   )
+   (unreachable)
+  )
+ )
 )