v8/test/mjsunit/wasm/generic-wrapper.js

// Copyright 2020 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: --wasm-generic-wrapper --expose-gc

load("test/mjsunit/wasm/wasm-module-builder.js");

(function testGenericWrapper0Param() {
  print(arguments.callee.name);
  let builder = new WasmModuleBuilder();
  let sig_index = builder.addType(kSig_v_v);
  let func_index = builder.addImport("mod", "func", sig_index);
  builder.addFunction("main", sig_index)
    .addBody([
      kExprCallFunction, func_index
    ])
    .exportFunc();

  let x = 12;
  function import_func() {
    gc();
    x = 20;
  }

  let instance = builder.instantiate({ mod: { func: import_func } });
  assertEquals(undefined, instance.exports.main());
  assertEquals(x, 20);
})();

(function testGenericWrapper0ParamTraps() {
  print(arguments.callee.name);
  let builder = new WasmModuleBuilder();
  let sig_index = builder.addType(kSig_v_v);
  builder.addFunction("main", sig_index)
    .addBody([
      kExprUnreachable
    ])
    .exportFunc();

  let instance = builder.instantiate();
  assertTraps(kTrapUnreachable, instance.exports.main);
})();

(function testGenericWrapper1ParamTrap() {
  print(arguments.callee.name);
  let builder = new WasmModuleBuilder();
  let sig_index = builder.addType(kSig_v_i);
  builder.addFunction("main", sig_index)
    .addBody([
      kExprLocalGet, 0, kExprUnreachable
    ])
    .exportFunc();

  let instance = builder.instantiate();
  assertTraps(kTrapUnreachable, () => instance.exports.main(1));
})();

(function testGenericWrapper1ParamGeneral() {
  print(arguments.callee.name);
  let builder = new WasmModuleBuilder();
  let sig_index = builder.addType(kSig_v_i);
  let func_index = builder.addImport("mod", "func", sig_index);
  builder.addFunction("main", sig_index)
    .addBody([
      kExprLocalGet, 0, kExprCallFunction, func_index
    ])
    .exportFunc();

  let x = 12;
  function import_func(param) {
    gc();
    x += param;
  }

  let instance = builder.instantiate({ mod: { func: import_func } });
  instance.exports.main(5);
  assertEquals(17, x);
})();

(function testGenericWrapper1ParamNotSmi() {
  print(arguments.callee.name);
  let builder = new WasmModuleBuilder();
  let sig_index = builder.addType(kSig_v_i);
  let func_index = builder.addImport("mod", "func", sig_index);
  builder.addFunction("main", sig_index)
    .addBody([
      kExprLocalGet, 0, kExprCallFunction, func_index
    ])
    .exportFunc();

  let x = 12;
  function import_func(param) {
    gc();
    x += param;
  }

  let y = { valueOf: () => { print("Hello!"); gc(); return 24; } };
  let instance = builder.instantiate({ mod: { func: import_func } });
  instance.exports.main(y);
  assertEquals(36, x);
})();

(function testGenericWrapper4Param() {
  print(arguments.callee.name);
  let builder = new WasmModuleBuilder();
  let sig_index = builder.addType(kSig_v_iiii);
  let func_index = builder.addImport("mod", "func", sig_index);
  builder.addFunction("main", sig_index)
    .addBody([
      kExprLocalGet, 0,
      kExprLocalGet, 1,
      kExprLocalGet, 2,
      kExprLocalGet, 3,
      kExprCallFunction, func_index
    ])
    .exportFunc();

  let x = 12;
  function import_func(param1, param2, param3, param4) {
    gc();
    x += 2 * param1 + 3 * param2 + 4 * param3 + 5 * param4;
  }

  let param2 = { valueOf: () => { gc(); return 6; } };
  let param3 = { valueOf: () => { gc(); return 3; } };
  let instance = builder.instantiate({ mod: { func: import_func } });
  instance.exports.main(9, param2, param3, 0);
  assertEquals(60, x);
})();

let kSig_v_iiiiiiii = makeSig([kWasmI32, kWasmI32, kWasmI32, kWasmI32,
  kWasmI32, kWasmI32, kWasmI32, kWasmI32], []);

(function testGenericWrapper8Param() {
  print(arguments.callee.name);
  let builder = new WasmModuleBuilder();
  let sig_index = builder.addType(kSig_v_iiiiiiii);
  let func_index = builder.addImport("mod", "func", sig_index);
  builder.addFunction("main", sig_index)
    .addBody([
      kExprLocalGet, 0,
      kExprLocalGet, 1,
      kExprLocalGet, 2,
      kExprLocalGet, 3,
      kExprLocalGet, 4,
      kExprLocalGet, 5,
      kExprLocalGet, 6,
      kExprLocalGet, 7,
      kExprCallFunction, func_index
    ])
    .exportFunc();

  let x = 12;
  function import_func(param1, param2, param3, param4, param5, param6,
    param7, param8) {
    gc();
    x += param1 + 2 * param2 + 3 * param3 + 4 * param4 + 5 * param5
      + 6 * param6 + 7 * param7 + 8 * param8;
  }

  let param1 = { valueOf: () => { gc(); return 5; } };
  let param4 = { valueOf: () => { gc(); return 8; } };
  let param6 = { valueOf: () => { gc(); return 10; } };
  let param8 = { valueOf: () => { gc(); return 12; } };
  let instance = builder.instantiate({ mod: { func: import_func } });
  instance.exports.main(param1, 6, 7, param4, 9, param6, 11, param8);
  assertEquals(360, x);
})();

// Passing less parameters than expected.
(function testGenericWrapper4ParamWithLessParams() {
  print(arguments.callee.name);
  let builder = new WasmModuleBuilder();
  let sig_index = builder.addType(kSig_v_iiii);
  let func_index = builder.addImport("mod", "func", sig_index);
  builder.addFunction("main", sig_index)
    .addBody([
      kExprLocalGet, 0,
      kExprLocalGet, 1,
      kExprLocalGet, 2,
      kExprLocalGet, 3,
      kExprCallFunction, func_index
    ])
    .exportFunc();

  let x = 12;
  function import_func(param1, param2, param3, param4) {
    gc();
    x += param1 + param2 + param3 + param4;
  }

  let param2 = { valueOf: () => { gc(); return 3; } };
  let instance = builder.instantiate({ mod: { func: import_func } });
  instance.exports.main(5, param2);
  assertEquals(20, x);
})();

// Passing more parameters than expected.
(function testGenericWrapper4ParamWithMoreParams() {
  print(arguments.callee.name);
  let builder = new WasmModuleBuilder();
  let sig_index = builder.addType(kSig_v_iiii);
  let func_index = builder.addImport("mod", "func", sig_index);
  builder.addFunction("main", sig_index)
    .addBody([
      kExprLocalGet, 0,
      kExprLocalGet, 1,
      kExprLocalGet, 2,
      kExprLocalGet, 3,
      kExprCallFunction, func_index
    ])
    .exportFunc();

  let x = 12;
  function import_func(param1, param2, param3, param4) {
    gc();
    x += param1 + param2 + param3 + param4;
  }

  let param2 = { valueOf: () => { gc(); return 3; } };
  let param3 = { valueOf: () => { gc(); return 6; } };
  let instance = builder.instantiate({ mod: { func: import_func } });
  instance.exports.main(5, param2, param3, 7, 200, 300, 400);
  assertEquals(33, x);
})();