mirror of
https://github.com/fluencelabs/wasmer
synced 2024-12-12 22:05:33 +00:00
36 lines
1.4 KiB
C++
36 lines
1.4 KiB
C++
// Copyright 2018 The Emscripten Authors. All rights reserved.
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// Emscripten is available under two separate licenses, the MIT license and the
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// University of Illinois/NCSA Open Source License. Both these licenses can be
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// found in the LICENSE file.
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#include <emscripten.h>
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int main() {
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EM_ASM({
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var size = 128;
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var before;
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before = stackSave();
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var x = stackAlloc(size);
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var y = stackAlloc(size);
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var direction = y > x ? 1 : -1;
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assert(x % 16 == 0, "allocation must have 16-byte alignment");
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assert(x == Math.min(before, before + direction*size), "allocation must return the start of the range allocated");
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var z = stackAlloc(size);
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assert(x != y && y != z && x != z, "allocations must be unique");
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assert((y - x)*(z - y) > 0, "allocations must be in the same direction");
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// no overlaps
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function notInRange(value, begin, end) {
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function errormsg() { return value + " must not be in the range (" + begin + ", " + end + "]"; }
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if (begin < end) assert(!(value >= begin && value < end), errormsg());
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else assert(!(value <= begin && value > end), errormsg());
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}
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notInRange(x, y, y + direction*size);
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notInRange(x, z, z + direction*size);
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notInRange(y, x, x + direction*size);
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notInRange(y, z, z + direction*size);
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notInRange(z, x, x + direction*size);
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notInRange(z, y, y + direction*size);
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out('ok.');
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});
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}
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