65 lines
2.4 KiB
JavaScript
65 lines
2.4 KiB
JavaScript
// SERVER-10176: Add $abs aggregation expression.
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// For assertErrorCode.
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load('jstests/aggregation/extras/utils.js');
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(function() {
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var coll = db.abs_expr;
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coll.drop();
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// valid types (numeric and null)
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assert.commandWorked(coll.insert({_id: 0, a: 5}));
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assert.commandWorked(coll.insert({_id: 1, a: -5}));
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assert.commandWorked(coll.insert({_id: 2, a: 5.5}));
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assert.commandWorked(coll.insert({_id: 3, a: -5.5}));
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assert.commandWorked(coll.insert({_id: 4, a: NumberInt("5")}));
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assert.commandWorked(coll.insert({_id: 5, a: NumberInt("-5")}));
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assert.commandWorked(coll.insert({_id: 6, a: NumberLong("5")}));
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assert.commandWorked(coll.insert({_id: 7, a: NumberLong("-5")}));
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assert.commandWorked(coll.insert({_id: 8, a: 0.0}));
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assert.commandWorked(coll.insert({_id: 9, a: -0.0}));
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assert.commandWorked(coll.insert({_id: 10, a: NumberInt("0")}));
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// INT_MIN is -(2 ^ 31)
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assert.commandWorked(coll.insert({_id: 11, a: NumberInt(-Math.pow(2, 31))}));
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assert.commandWorked(coll.insert({_id: 12, a: -Math.pow(2, 31)}));
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// 1152921504606846977 is 2^60 + 1, an integer that can't be represented precisely as a double
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assert.commandWorked(coll.insert({_id: 13, a: NumberLong("1152921504606846977")}));
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assert.commandWorked(coll.insert({_id: 14, a: NumberLong("-1152921504606846977")}));
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assert.commandWorked(coll.insert({_id: 15, a: null}));
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assert.commandWorked(coll.insert({_id: 16, a: undefined}));
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assert.commandWorked(coll.insert({_id: 17, a: NaN}));
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assert.commandWorked(coll.insert({_id: 18}));
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// valid use of $abs: numbers become positive, null/undefined/nonexistent become null
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var results = coll.aggregate([{$project: {a: {$abs: "$a"}}}, {$sort: {_id: 1}}]).toArray();
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assert.eq(results, [
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{_id: 0, a: 5},
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{_id: 1, a: 5},
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{_id: 2, a: 5.5},
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{_id: 3, a: 5.5},
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{_id: 4, a: 5},
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{_id: 5, a: 5},
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{_id: 6, a: NumberLong("5")},
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{_id: 7, a: NumberLong("5")},
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{_id: 8, a: 0},
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{_id: 9, a: 0},
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{_id: 10, a: 0},
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{_id: 11, a: NumberLong(Math.pow(2, 31))},
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{_id: 12, a: Math.pow(2, 31)},
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{_id: 13, a: NumberLong("1152921504606846977")},
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{_id: 14, a: NumberLong("1152921504606846977")},
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{_id: 15, a: null},
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{_id: 16, a: null},
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{_id: 17, a: NaN},
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{_id: 18, a: null},
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]);
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// Invalid
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// using $abs on string
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assertErrorCode(coll, [{$project: {a: {$abs: "string"}}}], 28765);
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// using $abs on LLONG_MIN (-2 ^ 63)
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assertErrorCode(coll, [{$project: {a: {$abs: NumberLong("-9223372036854775808")}}}], 28680);
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}());
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