JSTests/stress/double-rep-with-null.js

// Using full number + null for math.
function addArgsNumberAndNull(a, b) {
    return a + b;
}
noInline(addArgsNumberAndNull);

for (var i = 0; i < 1e4; ++i) {
    var value = addArgsNumberAndNull(i, 1);
    if (value !== (i + 1))
        throw "addArgsNumberAndNull(i, 1) failed with i = " + i + " returned value = " + value;

    var value = addArgsNumberAndNull(0.5, i);
    if (value !== (i + 0.5))
        throw "addArgsNumberAndNull(0.5, i) failed with i = " + i + " returned value = " + value;

    var value = addArgsNumberAndNull(null, i);
    if (value !== i)
        throw "addArgsNumberAndNull(null, i) failed with i = " + i + " returned value = " + value;

    var value = addArgsNumberAndNull(i, null);
    if (value !== i)
        throw "addArgsNumberAndNull(i, null) failed with i = " + i + " returned value = " + value;

    var value = addArgsNumberAndNull(null, null);
    if (value !== 0)
        throw "addArgsNumberAndNull(null, null) failed with i = " + i + " returned value = " + value;
}


// Using int32 + null for math.
function addArgsInt32AndNull(a, b) {
    return a + b;
}
noInline(addArgsInt32AndNull);

for (var i = 0; i < 1e4; ++i) {
    var value = addArgsInt32AndNull(i, 1);
    if (value !== (i + 1))
        throw "addArgsInt32AndNull(i, 1) failed with i = " + i + " returned value = " + value;

    var value = addArgsInt32AndNull(null, i);
    if (value !== i)
        throw "addArgsInt32AndNull(null, i) failed with i = " + i + " returned value = " + value;

    var value = addArgsInt32AndNull(i, null);
    if (value !== i)
        throw "addArgsInt32AndNull(i, null) failed with i = " + i + " returned value = " + value;

    var value = addArgsInt32AndNull(null, null);
    if (value !== 0)
        throw "addArgsInt32AndNull(null, null) failed with i = " + i + " returned value = " + value;
}

function testFallbackWithDouble() {
    var value = addArgsNumberAndNull(Math.PI, Math.PI);
    if (value !== 2 * Math.PI)
        throw "addArgsNumberAndNull(Math.PI, Math.PI) failed with i = " + i + " returned value = " + value;
}
testFallbackWithDouble();


// Using full number + null for math.
function addArgsDoubleAndNull(a, b) {
    return a + b;
}
noInline(addArgsDoubleAndNull);

for (var i = 0; i < 1e4; ++i) {
    var value = addArgsDoubleAndNull(0.5, i);
    if (value !== (i + 0.5))
        throw "addArgsDoubleAndNull(0.5, i) failed with i = " + i + " returned value = " + value;

    var value = addArgsDoubleAndNull(null, 0.1);
    if (value !== 0.1)
        throw "addArgsDoubleAndNull(null, i) failed with i = " + i + " returned value = " + value;

    var value = addArgsDoubleAndNull(0.6, null);
    if (value !== 0.6)
        throw "addArgsDoubleAndNull(i, null) failed with i = " + i + " returned value = " + value;
}

function testFallbackWithObject() {
    var value = addArgsDoubleAndNull(Math.PI, { valueOf: function() { return 5; }});
    if (value !== 5 + Math.PI)
        throw "addArgsDoubleAndNull(Math.PI, { valueOf: function() { return 5; }}) failed with i = " + i + " returned value = " + value;
}
testFallbackWithObject();


// Using only null
function addArgsOnlyNull(a, b) {
    return a + b;
}
noInline(addArgsOnlyNull);

for (var i = 0; i < 1e4; ++i) {
    var value = addArgsOnlyNull(null, null);
    if (value !== 0)
        throw "addArgsOnlyNull(null, null) failed with i = " + i + " returned value = " + value;
}

function testFallbackWithString() {
    var value = addArgsOnlyNull("foo", "bar");
    if (value !== "foobar")
        throw "addArgsOnlyNull(\"foo\", \"bar\") failed with i = " + i + " returned value = " + value;
}
testFallbackWithString();