mongodb/jstests/decimal/decimal128_test1.js

/**
 * Derived from test cases at https://github.com/mongodb/specifications
 */

var testData = [
    {"description": "Special - Canonical NaN", "input": "NaN"},
    {"description": "Special - Negative NaN", "input": "NaN", "lossy": true},
    {"description": "Special - Negative NaN", "expected": "NaN", "input": "-NaN", "lossy": true},
    {"description": "Special - Canonical SNaN", "input": "NaN", "lossy": true},
    {"description": "Special - Negative SNaN", "input": "NaN", "lossy": true},
    {"description": "Special - NaN with a payload", "input": "NaN", "lossy": true},
    {"description": "Special - Canonical Positive Infinity", "input": "Infinity"},
    {"description": "Special - Canonical Negative Infinity", "input": "-Infinity"},
    {"description": "Special - Invalid representation treated as 0", "input": "0", "lossy": true},
    {"description": "Special - Invalid representation treated as -0", "input": "-0", "lossy": true},
    {
        "description": "Special - Invalid representation treated as 0E3",
        "input": "0E+3",
        "lossy": true
    },
    {
        "description": "Regular - Adjusted Exponent Limit",
        "input": "0.000001234567890123456789012345678901234"
    },
    {"description": "Regular - Smallest", "input": "0.001234"},
    {"description": "Regular - Smallest with Trailing Zeros", "input": "0.00123400000"},
    {"description": "Regular - 0.1", "input": "0.1"},
    {
        "description": "Regular - 0.1234567890123456789012345678901234",
        "input": "0.1234567890123456789012345678901234"
    },
    {"description": "Regular - 0", "input": "0"},
    {"description": "Regular - -0", "input": "-0"},
    {"description": "Regular - -0.0", "input": "-0.0"},
    {"description": "Regular - 2", "input": "2"},
    {"description": "Regular - 2.000", "input": "2.000"},
    {"description": "Regular - Largest", "input": "1234567890123456789012345678901234"},
    {"description": "Scientific - Tiniest", "input": "9.999999999999999999999999999999999E-6143"},
    {"description": "Scientific - Tiny", "input": "1E-6176"},
    {"description": "Scientific - Negative Tiny", "input": "-1E-6176"},
    {
        "description": "Scientific - Adjusted Exponent Limit",
        "input": "1.234567890123456789012345678901234E-7"
    },
    {"description": "Scientific - Fractional", "input": "-1.00E-8"},
    {"description": "Scientific - 0 with Exponent", "input": "0E+6000"},
    {"description": "Scientific - 0 with Negative Exponent", "input": "0E-611"},
    {"description": "Scientific - No Decimal with Signed Exponent", "input": "1E+3"},
    {"description": "Scientific - Trailing Zero", "input": "1.050E+4"},
    {"description": "Scientific - With Decimal", "input": "1.05E+3"},
    {"description": "Scientific - Full", "input": "5192296858534827628530496329220095"},
    {"description": "Scientific - Large", "input": "1.000000000000000000000000000000000E+6144"},
    {"description": "Scientific - Largest", "input": "9.999999999999999999999999999999999E+6144"},
    {
        "description": "Non-Canonical Parsing - Exponent Normalization",
        "input": "-100E-10",
        "expected": "-1.00E-8"
    },
    {
        "description": "Non-Canonical Parsing - Unsigned Positive Exponent",
        "input": "1E3",
        "expected": "1E+3"
    },
    {
        "description": "Non-Canonical Parsing - Lowercase Exponent Identifier",
        "input": "1e+3",
        "expected": "1E+3"
    },
    {
        "description": "Non-Canonical Parsing - Long Significand with Exponent",
        "input": "12345689012345789012345E+12",
        "expected": "1.2345689012345789012345E+34"
    },
    {
        "description": "Non-Canonical Parsing - Positive Sign",
        "input": "+1234567890123456789012345678901234",
        "expected": "1234567890123456789012345678901234"
    },
    {
        "description": "Non-Canonical Parsing - Long Decimal String",
        "input":
            ".0000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "00000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "00000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "00000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "00000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "00000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "00000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "00000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "00000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "00000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "00000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "00000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "0000000000000000000000000000000000000001",
        "expected": "1E-999"
    },
    {"description": "Non-Canonical Parsing - nan", "input": "nan", "expected": "NaN"},
    {"description": "Non-Canonical Parsing - nAn", "input": "nAn", "expected": "NaN"},
    {
        "description": "Non-Canonical Parsing - +infinity",
        "input": "+infinity",
        "expected": "Infinity"
    },
    {
        "description": "Non-Canonical Parsing - infinity",
        "input": "infinity",
        "expected": "Infinity"
    },
    {
        "description": "Non-Canonical Parsing - infiniTY",
        "input": "infiniTY",
        "expected": "Infinity"
    },
    {"description": "Non-Canonical Parsing - inf", "input": "inf", "expected": "Infinity"},
    {"description": "Non-Canonical Parsing - inF", "input": "inF", "expected": "Infinity"},
    {
        "description": "Non-Canonical Parsing - -infinity",
        "input": "-infinity",
        "expected": "-Infinity"
    },
    {
        "description": "Non-Canonical Parsing - -infiniTy",
        "input": "-infiniTy",
        "expected": "-Infinity"
    },
    {"description": "Non-Canonical Parsing - -Inf", "input": "-Infinity", "expected": "-Infinity"},
    {"description": "Non-Canonical Parsing - -inf", "input": "-inf", "expected": "-Infinity"},
    {"description": "Non-Canonical Parsing - -inF", "input": "-inF", "expected": "-Infinity"},
    {"description": "Rounded Subnormal number", "input": "10E-6177", "expected": "1E-6176"},
    {"description": "Clamped", "input": "1E6112", "expected": "1.0E+6112"},
    {
        "description": "Exact rounding",
        "input":
            "100000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "000000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "000000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "000000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "000000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "000000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "000000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "000000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "000000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "000000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "000000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "000000000000000000000000000000000000000000000000000000000000000000000000000000000" +
            "0000000000000000000000000000",
        "expected": "1.000000000000000000000000000000000E+999"
    }
];

testData.forEach(function(testCase) {
    print(`Test - ${testCase.description}`);
    var output = NumberDecimal(testCase.input).toString();
    if (testCase.expected) {
        assert.eq(output, `NumberDecimal("${testCase.expected}")`);
    } else {
        assert.eq(output, `NumberDecimal("${testCase.input}")`);
    }
});