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 avoid_delete

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main.js

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// Copyright 2013 The Emscripten Authors. All rights reserved.

// Emscripten is available under two separate licenses, the MIT license and the

// University of Illinois/NCSA Open Source License. Both these licenses can be

// found in the LICENSE file.

var Module = require("./test.js");

console.log("\nTesting main.js");

var length = 20;

var ptr = Module._malloc(length); // Get buffer from emscripten.

var buffer= new Uint8Array(Module.HEAPU8.buffer, ptr, length); // Get a bytes view on the newly allocated buffer.

// Populate the buffer in JavaScript land.

console.log("buffer length = " + length + "\n");

for (var i = 0; i < length; i++) {

buffer[i] = i + 20; // Add 20 just for a bit of interest.

console.log("setting buffer[" + i + "] = " + buffer[i]);

}

// Export bufferTest function.

var bufferTest = Module.cwrap('bufferTest', 'number', ['number', 'number']);

console.log("\ncalling bufferTest\n");

bufferTest(ptr, length); // Call our exported C function to prove the buffer was passed correctly.

console.log("\nbufferTest finished\n");

// free the heap buffer

Module._free(ptr);