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// Test transpiling of LoadFunctionNameResult and cover possible bailout conditions.
function empty() {}
// Note: Typically won't use LoadFunctionNameResult, because the "name"
// property will be resolved on the first access.
function testGlobalFunction() {
for (var i = 0; i < 200; ++i) {
assertEq(empty.name, "empty");
}
}
testGlobalFunction();
// Note: Typically won't use LoadFunctionNameResult, because the "name"
// property will be resolved on the first access.
function testInnerFunction() {
function f() {}
for (var i = 0; i < 200; ++i) {
assertEq(f.name, "f");
}
}
testInnerFunction();
function testPerLoopFunction() {
for (var i = 0; i < 200; ++i) {
assertEq(function f(){}.name, "f");
}
}
testPerLoopFunction();
// Note: Typically won't use LoadFunctionNameResult, because the "name"
// property will be resolved on the first access.
function testNativeFunction() {
for (var i = 0; i < 200; ++i) {
assertEq(Math.max.name, "max");
}
}
testNativeFunction();
// Note: Typically won't use LoadFunctionNameResult, because the "name"
// property will be resolved on the first access.
function testSelfHostedFunction() {
for (var i = 0; i < 200; ++i) {
assertEq(Array.prototype.forEach.name, "forEach");
}
}
testSelfHostedFunction();
// Bailout when the name property is resolved.
function testBailoutResolvedName() {
function f1() {}
// Ensure the name property of |f1| is resolved.
assertEq(f1.name, "f1");
var names = ["f", "f1"];
for (var i = 0; i < 10; ++i) {
var name = names[0 + (i >= 5)];
for (var j = 0; j < 100; ++j) {
var values = [function f(){}, f1];
var value = values[0 + (i >= 5)];
assertEq(value.name, name);
}
}
}
testBailoutResolvedName();
// Bailout when the HAS_BOUND_FUNCTION_NAME_PREFIX isn't set.
function testBailoutBoundName() {
function f1() {}
function f2() {}
var bound = f1.bind();
// Ensure the name property of |bound| is resolved. That way new functions
// created through |bound().bind()| will have the HAS_BOUND_FUNCTION_NAME_PREFIX
// flag set.
assertEq(bound.name, "bound f1");
// |bound1| and |bound2| have the same shape, but different function flags.
var bound1 = bound.bind(); // HAS_BOUND_FUNCTION_NAME_PREFIX
var bound2 = f2.bind(); // ! HAS_BOUND_FUNCTION_NAME_PREFIX
var values = [bound1, bound2];
var names = ["bound bound bound f1", "bound bound f2"];
for (var i = 0; i < 10; ++i) {
var value = values[0 + (i >= 5)];
var name = names[0 + (i >= 5)];
for (var j = 0; j < 100; ++j) {
var f = value.bind();
assertEq(f.name, name);
}
}
}
testBailoutBoundName();