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Unified Diff: test/mjsunit/wasm/instantiate-module-basic.js

Issue 1504713014: Initial import of v8-native WASM. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years ago
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Index: test/mjsunit/wasm/instantiate-module-basic.js
diff --git a/test/mjsunit/wasm/instantiate-module-basic.js b/test/mjsunit/wasm/instantiate-module-basic.js
new file mode 100644
index 0000000000000000000000000000000000000000..299222d355fd1c6c3ae193ee460ee76c2e2295e8
--- /dev/null
+++ b/test/mjsunit/wasm/instantiate-module-basic.js
@@ -0,0 +1,60 @@
+// 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.
+
+load("test/mjsunit/wasm/wasm-constants.js");
+
+var kReturnValue = 117;
+
+var kBodySize = 2;
+var kNameOffset = 19 + kBodySize + 1;
+
+var data = bytes(
+ // -- memory
+ kDeclMemory,
+ 10, 10, 1,
+ // -- signatures
+ kDeclSignatures, 1,
+ 0, kAstI32, // signature: void -> int
+ // -- main function
+ kDeclFunctions, 1,
+ kDeclFunctionName | kDeclFunctionExport,
+ 0, 0, // signature index
+ kNameOffset, 0, 0, 0, // name offset
+ kBodySize, 0, // body size
+ // -- body
+ kExprI8Const, // --
+ kReturnValue, // --
+ kDeclEnd,
+ 'm', 'a', 'i', 'n', 0 // name
+);
+
+var module = WASM.instantiateModule(data);
+
+// Check the module exists.
+assertFalse(module === undefined);
+assertFalse(module === null);
+assertFalse(module === 0);
+assertEquals("object", typeof module);
+
+// Check the memory is an ArrayBuffer.
+var mem = module.memory;
+assertFalse(mem === undefined);
+assertFalse(mem === null);
+assertFalse(mem === 0);
+assertEquals("object", typeof mem);
+assertTrue(mem instanceof ArrayBuffer);
+for (var i = 0; i < 4; i++) {
+ module.memory = 0; // should be ignored
+ assertEquals(mem, module.memory);
+}
+
+assertEquals(1024, module.memory.byteLength);
+
+// Check the properties of the main function.
+assertFalse(module.main === undefined);
+assertFalse(module.main === null);
+assertFalse(module.main === 0);
+assertEquals("function", typeof module.main);
+
+assertEquals(kReturnValue, module.main());
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