1 files changed, 181 insertions, 0 deletions
diff --git a/deps/v8/test/mjsunit/wasm/asm-wasm-imports.js b/deps/v8/test/mjsunit/wasm/asm-wasm-imports.js
new file mode 100644
index 0000000000..bfcb25b825
--- /dev/null
+++ b/deps/v8/test/mjsunit/wasm/asm-wasm-imports.js
@@ -0,0 +1,181 @@
+// Copyright 2018 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: --validate-asm --allow-natives-syntax
+
+var stdlib = this;
+
+function assertValidAsm(func) {
+  assertTrue(%IsAsmWasmCode(func), "must be valid asm code");
+}
+
+function assertWasm(expected, func, ffi) {
+  print("Testing " + func.name + "...");
+  assertEquals(
+      expected, func(stdlib, ffi, new ArrayBuffer(1024)).caller());
+  assertValidAsm(func);
+}
+
+
+function TestForeignFunctions() {
+  function AsmModule(stdlib, foreign, buffer) {
+    "use asm";
+
+    var setVal = foreign.setVal;
+    var getVal = foreign.getVal;
+
+    function caller(initial_value, new_value) {
+      initial_value = initial_value|0;
+      new_value = new_value|0;
+      if ((getVal()|0) == (initial_value|0)) {
+        setVal(new_value|0);
+        return getVal()|0;
+      }
+      return 0;
+    }
+
+    return {caller:caller};
+  }
+
+  function ffi(initial_val) {
+    var val = initial_val;
+
+    function getVal() {
+      return val;
+    }
+
+    function setVal(new_val) {
+      val = new_val;
+    }
+
+    return {getVal:getVal, setVal:setVal};
+  }
+
+  var foreign = new ffi(23);
+
+  var module = AsmModule({Math: Math}, foreign, null);
+  assertValidAsm(AsmModule);
+
+  assertEquals(103, module.caller(23, 103));
+}
+
+print("TestForeignFunctions...");
+TestForeignFunctions();
+
+
+function TestForeignFunctionMultipleUse() {
+  function AsmModule(stdlib, foreign, buffer) {
+    "use asm";
+
+    var getVal = foreign.getVal;
+
+    function caller(int_val, double_val) {
+      int_val = int_val|0;
+      double_val = +double_val;
+      if ((getVal()|0) == (int_val|0)) {
+        if ((+getVal()) == (+double_val)) {
+          return 89;
+        }
+      }
+      return 0;
+    }
+
+    return {caller:caller};
+  }
+
+  function ffi() {
+    function getVal() {
+      return 83.25;
+    }
+
+    return {getVal:getVal};
+  }
+
+  var foreign = new ffi();
+
+  var module_decl = eval('(' + AsmModule.toString() + ')');
+  var module = module_decl(stdlib, foreign, null);
+  assertValidAsm(module_decl);
+
+  assertEquals(89, module.caller(83, 83.25));
+}
+
+print("TestForeignFunctionMultipleUse...");
+TestForeignFunctionMultipleUse();
+
+function TestForeignVariables() {
+  function AsmModule(stdlib, foreign, buffer) {
+    "use asm";
+
+    var i1 = foreign.foo | 0;
+    var f1 = +foreign.bar;
+    var i2 = foreign.baz | 0;
+    var f2 = +foreign.baz;
+
+    function geti1() {
+      return i1|0;
+    }
+
+    function getf1() {
+      return +f1;
+    }
+
+    function geti2() {
+      return i2|0;
+    }
+
+    function getf2() {
+      return +f2;
+    }
+
+    return {geti1:geti1, getf1:getf1, geti2:geti2, getf2:getf2};
+  }
+
+  function TestCase(env, i1, f1, i2, f2) {
+    print("Testing foreign variables...");
+    var module_decl = eval('(' + AsmModule.toString() + ')');
+    var module = module_decl(stdlib, env);
+    assertValidAsm(module_decl);
+    assertEquals(i1, module.geti1());
+    assertEquals(f1, module.getf1());
+    assertEquals(i2, module.geti2());
+    assertEquals(f2, module.getf2());
+  }
+
+  // Check normal operation.
+  TestCase({foo: 123, bar: 234.5, baz: 345.7}, 123, 234.5, 345, 345.7);
+  // Check partial operation.
+  TestCase({baz: 345.7}, 0, NaN, 345, 345.7);
+  // Check that undefined values are converted to proper defaults.
+  TestCase({qux: 999}, 0, NaN, 0, NaN);
+  // Check that true values are converted properly.
+  TestCase({foo: true, bar: true, baz: true}, 1, 1.0, 1, 1.0);
+  // Check that false values are converted properly.
+  TestCase({foo: false, bar: false, baz: false}, 0, 0, 0, 0);
+  // Check that null values are converted properly.
+  TestCase({foo: null, bar: null, baz: null}, 0, 0, 0, 0);
+  // Check that string values are converted properly.
+  TestCase({foo: 'hi', bar: 'there', baz: 'dude'}, 0, NaN, 0, NaN);
+  TestCase({foo: '0xff', bar: '234', baz: '456.1'}, 255, 234, 456, 456.1);
+  // Check that function values are converted properly.
+  TestCase({foo: TestCase, bar: TestCase, qux: TestCase}, 0, NaN, 0, NaN);
+}
+
+print("TestForeignVariables...");
+TestForeignVariables();
+
+
+function TestGlobalBlock(stdlib, foreign, buffer) {
+  "use asm";
+
+  var x = foreign.x | 0, y = foreign.y | 0;
+
+  function test() {
+    return (x + y) | 0;
+  }
+
+  return {caller: test};
+}
+
+assertWasm(15, TestGlobalBlock, { x: 4, y: 11 });