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mongodb/jstests/decimal/decimal_roundtrip_basic.js
2019-07-27 11:02:23 -04:00

53 lines
1.9 KiB
JavaScript

// Tests doing simple round-trip operations from the shell.
(function() {
"use strict";
var col = db.roundtrip_basic;
col.drop();
// Insert some sample data.
assert.writeOK(col.insert([
{"decimal": NumberDecimal("0")},
{"decimal": NumberDecimal("0.00")},
{"decimal": NumberDecimal("-0")},
{"decimal": NumberDecimal("1.0")},
{"decimal": NumberDecimal("0.10")},
{"decimal": NumberDecimal("2.00")},
{"decimal": NumberDecimal("12345678901234567890.12345678901234")},
{"decimal": NumberDecimal("NaN")},
{"decimal": NumberDecimal("-NaN")},
{"decimal": NumberDecimal("Infinity")},
{"decimal": NumberDecimal("-Infinity")},
{"decimal": NumberDecimal("9999999999999999999999999999999999E6111")},
{"decimal": NumberDecimal("1E-6176")},
]),
"Initial insertion of decimals failed");
// Check that the searching for queryValue results in finding expectedValues.
// All arguments are string representations of NumberDecimal values.
function checkDecimals(queryValue, expectedValues) {
queryValue = NumberDecimal(queryValue);
expectedValues = expectedValues.map((function(string) {
return NumberDecimal(string);
}));
var docs = col.find({decimal: queryValue}, {_id: 0}).sort({decimal: 1, _id: 1}).toArray();
var actualValues = docs.map((function(item) {
return item.decimal;
}));
assert.eq(actualValues, expectedValues, "problem retrieving " + queryValue.toString());
}
checkDecimals("0", ["0", "0.00", "-0"]);
checkDecimals("1.0", ["1.0"]);
checkDecimals("0.1", ["0.10"]);
checkDecimals("2", ["2.00"]);
checkDecimals("12345678901234567890.12345678901234", ["12345678901234567890.12345678901234"]);
checkDecimals("NaN", ["NaN", "-NaN"]);
checkDecimals("Infinity", ["Infinity"]);
checkDecimals("-Infinity", ["-Infinity"]);
checkDecimals("9999999999999999999999999999999999E6111",
["9999999999999999999999999999999999E6111"]);
checkDecimals("1E-6176", ["1E-6176"]);
}());