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// Test various combinations of (BigInt R String) and ensures the result is consistent with
// (String R⁻¹ BigInt). This test doesn't aim to cover the overall correctness of (BigInt R String),
// but merely ensures the possible combinations are properly handled in CacheIR.
var xs = [
// One before the minimum
-(2n ** 2000n) - 1n,
// Definitely heap digits.
-(2n ** 2000n),
-(2n ** 1000n),
// -(2n**64n)
-18446744073709551617n,
-18446744073709551616n,
-18446744073709551615n,
// -(2n**63n)
-9223372036854775809n,
-9223372036854775808n,
-9223372036854775807n,
// -(2**32)
-4294967297n,
-4294967296n,
-4294967295n,
// -(2**31)
-2147483649n,
-2147483648n,
-2147483647n,
-1n,
0n,
1n,
// 2**31
2147483647n,
2147483648n,
2147483649n,
// 2**32
4294967295n,
4294967296n,
4294967297n,
// 2n**63n
9223372036854775807n,
9223372036854775808n,
9223372036854775809n,
// 2n**64n
18446744073709551615n,
18446744073709551616n,
18446744073709551617n,
// Definitely heap digits.
2n ** 1000n,
2n ** 2000n,
// One past the maximum
(2n ** 2000n) + 1n,
];
function idx(i) {
return (i % (xs.length - 2)) + 1;
}
var ys = xs.map(x => String(x));
function testLooseEqual() {
for (var i = 0; i < 100; ++i) {
var j = idx(i);
var x = xs[j];
var y = ys[j];
var u = ys[j - 1];
var v = ys[j + 1];
assertEq(x == y, true);
assertEq(y == x, true);
assertEq(x == u, false);
assertEq(u == x, false);
assertEq(x == v, false);
assertEq(v == x, false);
}
}
testLooseEqual();
function testLooseNotEqual() {
for (var i = 0; i < 100; ++i) {
var j = idx(i);
var x = xs[j];
var y = ys[j];
var u = ys[j - 1];
var v = ys[j + 1];
assertEq(x != y, false);
assertEq(y != x, false);
assertEq(x != u, true);
assertEq(u != x, true);
assertEq(x != v, true);
assertEq(v != x, true);
}
}
testLooseNotEqual();
function testLessThan() {
for (var i = 0; i < 100; ++i) {
var j = idx(i);
var x = xs[j];
var y = ys[j];
var u = ys[j - 1];
var v = ys[j + 1];
assertEq(x < y, false);
assertEq(y < x, false);
assertEq(x < u, false);
assertEq(u < x, true);
assertEq(x < v, true);
assertEq(v < x, false);
}
}
testLessThan();
function testLessThanEquals() {
for (var i = 0; i < 100; ++i) {
var j = idx(i);
var x = xs[j];
var y = ys[j];
var u = ys[j - 1];
var v = ys[j + 1];
assertEq(x <= y, true);
assertEq(y <= x, true);
assertEq(x <= u, false);
assertEq(u <= x, true);
assertEq(x <= v, true);
assertEq(v <= x, false);
}
}
testLessThanEquals();
function testGreaterThan() {
for (var i = 0; i < 100; ++i) {
var j = idx(i);
var x = xs[j];
var y = ys[j];
var u = ys[j - 1];
var v = ys[j + 1];
assertEq(x > y, false);
assertEq(y > x, false);
assertEq(x > u, true);
assertEq(u > x, false);
assertEq(x > v, false);
assertEq(v > x, true);
}
}
testGreaterThan();
function testGreaterThanEquals() {
for (var i = 0; i < 100; ++i) {
var j = idx(i);
var x = xs[j];
var y = ys[j];
var u = ys[j - 1];
var v = ys[j + 1];
assertEq(x >= y, true);
assertEq(y >= x, true);
assertEq(x >= u, true);
assertEq(u >= x, false);
assertEq(x >= v, false);
assertEq(v >= x, true);
}
}
testGreaterThanEquals();