34 lines
957 B
JavaScript
34 lines
957 B
JavaScript
let t = db.jstests_pull;
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t.drop();
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t.save({a: [1, 2, 3]});
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t.update({}, {$pull: {a: 2}});
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t.update({}, {$pull: {a: 6}});
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assert.eq([1, 3], t.findOne().a);
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t.drop();
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t.save({a: [1, 2, 3]});
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t.update({}, {$pull: {a: 2}});
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t.update({}, {$pull: {a: 2}});
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assert.eq([1, 3], t.findOne().a);
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t.drop();
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t.save({a: [2]});
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t.update({}, {$pull: {a: 2}});
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t.update({}, {$pull: {a: 6}});
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assert.eq([], t.findOne().a);
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// SERVER-6047: $pull creates empty nested docs for dotted fields
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// that don't exist.
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t.drop();
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t.save({m: 1});
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t.update({m: 1}, {$pull: {"a.b": [1]}});
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assert("a" in t.findOne() == false);
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// Non-obvious bit: the implementation of non-in-place update
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// might do different things depending on whether the "new" field
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// comes before or after existing fields in the document.
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// So for now it's worth testing that too. Sorry, future; blame the past.
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t.update({m: 1}, {$pull: {"x.y": [1]}});
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assert("z" in t.findOne() == false);
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// End SERVER-6047
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