[wasm] Add tests for SIMD JS-API errors

Change-Id: I7fc2eb95f9a2d1ea45bc84543a05c84e32bb6d31
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1838924
Reviewed-by: Zhi An Ng <zhin@chromium.org>
Commit-Queue: Deepti Gandluri <gdeepti@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64098}

test/mjsunit/wasm/simd-errors.js

@@ -0,0 +1,67 @@
+// Copyright 2019 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.
+
+// Flags: --experimental-wasm-simd
+
+load("test/mjsunit/wasm/wasm-module-builder.js");
+
+(function S128InSignatureThrows() {
+  print(arguments.callee.name);
+  let builder = new WasmModuleBuilder();
+  builder.addMemory(1, 1, true);
+  builder.addFunction('foo', kSig_s_i)
+    .addBody([
+      kExprGetLocal, 0,
+      kSimdPrefix,
+      kExprI32x4Splat])
+    .exportFunc()
+  const instance = builder.instantiate();
+  assertThrows(() => instance.exports.foo(33), TypeError);
+})();
+
+(function S128ParamInSignatureThrows() {
+  print(arguments.callee.name);
+  let builder = new WasmModuleBuilder();
+  builder.addMemory(1, 1, true);
+  builder.addFunction('foo', kSig_i_s)
+      .addBody([
+          kExprGetLocal, 0,
+          kSimdPrefix,
+          kExprI32x4ExtractLane, 1])
+      .exportFunc();
+  const instance = builder.instantiate();
+  assertThrows(() => instance.exports.invalid_foo(10), TypeError);
+})();
+
+(function ImportS128Return() {
+  print(arguments.callee.name);
+  let builder = new WasmModuleBuilder();
+  builder.addImport('', 'f', makeSig([], [kWasmS128]));
+  builder.addFunction('foo', kSig_v_v)
+      .addBody([kExprCallFunction, 0, kExprDrop])
+      .exportFunc();
+  const instance = builder.instantiate({'': {f: _ => 1}});
+  assertThrows(() => instance.exports.foo(), TypeError);
+})();
+
+(function S128ImportThrows() {
+  print(arguments.callee.name);
+  let builder = new WasmModuleBuilder();
+  let sig_index = builder.addType(kSig_i_i);
+  let sig_s128_index = builder.addType(kSig_i_s);
+  let index = builder.addImport('', 'func', sig_s128_index);
+  builder.addFunction('foo', sig_index)
+    .addBody([
+      kExprGetLocal, 0,
+      kSimdPrefix,
+      kExprI32x4Splat,
+      kExprCallFunction, index])
+    .exportFunc();
+  const instance = builder.instantiate({'': {func: _ => {}}});
+  assertThrows(() => instance.exports.foo(14), TypeError);
+})();
+
+(function TestS128GlobalConstructor() {
+  assertThrows(() => new WebAssembly.Global({value: 'i128'}), TypeError);
+})();

test/mjsunit/wasm/wasm-module-builder.js

@@ -162,6 +162,8 @@ let kSig_r_v = makeSig([], [kWasmAnyRef]);
 let kSig_a_v = makeSig([], [kWasmAnyFunc]);
 let kSig_a_i = makeSig([kWasmI32], [kWasmAnyFunc]);
 let kSig_e_v = makeSig([], [kWasmExnRef]);
+let kSig_s_i = makeSig([kWasmI32], [kWasmS128]);
+let kSig_i_s = makeSig([kWasmS128], [kWasmI32]);
 
 function makeSig(params, results) {
   return {params: params, results: results};
@@ -466,6 +468,8 @@ let kExprI64AtomicCompareExchange32U = 0x4e;
 
 // Simd opcodes.
 let kExprF32x4Min = 0x9e;
+let kExprI32x4Splat = 0x0c
+let kExprI32x4ExtractLane = 0x0d;
 
 // Compilation hint constants.
 let kCompilationHintStrategyDefault = 0x00;