[wasm] JS-APIs: more WebAssembly.compile tests

src/wasm/wasm-js.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/api-natives.h"
 #include "src/api.h"
 #include "src/asmjs/asm-js.h"
 #include "src/asmjs/asm-typer.h"
 #include "src/asmjs/asm-wasm-builder.h"
 #include "src/assert-scope.h"
@@ skipping 38 matching lines @@
   const byte* end = nullptr;
 
   if (source->IsArrayBuffer()) {
     // A raw array buffer was passed.
     Local<ArrayBuffer> buffer = Local<ArrayBuffer>::Cast(source);
     ArrayBuffer::Contents contents = buffer->GetContents();
 
     start = reinterpret_cast<const byte*>(contents.Data());
     end = start + contents.ByteLength();
 
-    if (start == nullptr || end == start) {
-      thrower->CompileError("ArrayBuffer argument is empty");
-    }
   } else if (source->IsTypedArray()) {
     // A TypedArray was passed.
     Local<TypedArray> array = Local<TypedArray>::Cast(source);
     Local<ArrayBuffer> buffer = array->Buffer();
 
     ArrayBuffer::Contents contents = buffer->GetContents();
 
     start =
         reinterpret_cast<const byte*>(contents.Data()) + array->ByteOffset();
     end = start + array->ByteLength();
 
-    if (start == nullptr || end == start) {
-      thrower->CompileError("ArrayBuffer argument is empty");
-    }
   } else {
     thrower->TypeError("Argument 0 must be an ArrayBuffer or Uint8Array");
   }
-
+  if (start == nullptr || end == start) {
+    thrower->CompileError("BufferSource argument is empty");
+  }
   return {start, end};
 }
 
 static i::MaybeHandle<i::WasmModuleObject> CreateModuleObject(
     v8::Isolate* isolate, const v8::Local<v8::Value> source,
     ErrorThrower* thrower) {
   i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
   i::MaybeHandle<i::JSObject> nothing;
 
   RawBuffer buffer = GetRawBufferSource(source, thrower);
@@ skipping 801 matching lines @@
   i::Handle<i::Symbol> symbol(isolate->context()->wasm_memory_sym(), isolate);
   return HasBrand(value, symbol);
 }
 
 bool WasmJs::IsWasmTableObject(Isolate* isolate, Handle<Object> value) {
   i::Handle<i::Symbol> symbol(isolate->context()->wasm_table_sym(), isolate);
   return HasBrand(value, symbol);
 }
 }  // namespace internal
 }  // namespace v8