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// ensure strings containing null characters dont end at that null
c = db.s6556;
c.drop();
c.save({foo: "as\0df"});
// compare the whole string, they should match
assert.eq(c.aggregate({$project: {_id: 0, matches: {$eq: ["as\0df", "$foo"]}}}).toArray(),
[{matches: true}]);
// compare with the substring containing only the up to the null, they should not match
assert.eq(c.aggregate({
$project: {_id: 0, matches: {$eq: ["as\0df", {$substrBytes: ["$foo", 0, 3]}]}}
}).toArray(),
[{matches: false}]);
// partial the other way shouldnt work either
assert.eq(c.aggregate({$project: {_id: 0, matches: {$eq: ["as", "$foo"]}}}).toArray(),
[{matches: false}]);
// neither should one that differs after the null
assert.eq(c.aggregate({$project: {_id: 0, matches: {$eq: ["as\0de", "$foo"]}}}).toArray(),
[{matches: false}]);
// should assert on fieldpaths with a null
assert.throws(c.aggregate, {$project: {_id: 0, matches: {$eq: ["as\0df", "$f\0oo"]}}});
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