polymorphic-to-bool.js

Enable keyboard shortcuts

// |jit-test| --fast-warmup; --no-threads

function runTest(src, seen, last) {

    with ({}) {}

    // Make a fresh script.

    var foo = eval(src);

    // Compile it with polymorphic types.

    for (var j = 0; j < 100; j++) {

	foo(seen[j % seen.length]);

    // Now test the type sorted last.

    assertEq(foo(last), false);

function runTests(src) {

    // Each of these |seen| sets will cause the |last| type to be

    // the last type tested in testValueTruthyKernel.

    runTest(src, [1n,   Symbol("a"), 1.5,  "",   {}   ],  1);

    runTest(src, [1n,   Symbol("a"), 1.5,  "",   true ],  {});

    runTest(src, [1n,   Symbol("a"), 1.5,  true, {}   ],  "a");

    runTest(src, [1n,   Symbol("a"), true, "",   {}   ],  1.5);

    runTest(src, [1n,   true,        1.5,  "",   {}   ],  Symbol("a"));

    runTest(src, [true, Symbol("a"), 1.5,  "",   {}   ],  1n);

// JumpIfFalse

runTests("(x) => { if (x) { return false; }}");

// And

runTests("(x) => x && false");

// Or

runTests("(x) => !(x || true)");

// Not

runTests("(x) => !x");