js/src/jit-test/tests/basic/testIncDecReadOnly.js

Wed, 31 Dec 2014 06:55:50 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:55:50 +0100
changeset 2
7e26c7da4463
permissions
-rw-r--r--

Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2

michael@0 1 var r;
michael@0 2 Object.defineProperty(this, "x", {value: 0, writable: false});
michael@0 3
michael@0 4 for (var a = 0; a < 10; ++a)
michael@0 5 r = ++x;
michael@0 6 assertEq(x, 0);
michael@0 7 assertEq(r, 1);
michael@0 8
michael@0 9 for (var a = 0; a < 10; ++a)
michael@0 10 r = --x;
michael@0 11 assertEq(x, 0);
michael@0 12 assertEq(r, -1);
michael@0 13
michael@0 14 for (var a = 0; a < 10; ++a)
michael@0 15 r = x++;
michael@0 16 assertEq(x, 0);
michael@0 17 assertEq(r, 0);
michael@0 18
michael@0 19 for (var a = 0; a < 10; ++a)
michael@0 20 r = x--;
michael@0 21 assertEq(x, 0);
michael@0 22 assertEq(r, 0);

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