blob: 7f72615ede3c8edab593aeec7cb9ac2a1bad944e [file] [log] [blame]
//@ defaultNoEagerRun
"use strict";
let acosOfHalf = Math.acos(0.5);
let validInputTestCases = [
// input as string, expected result as string.
["undefined", "NaN"],
["null", "" + Math.acos(0)],
["1", "0"],
["0", "" + Math.acos(0)],
["-0.", "" + Math.acos(0)],
["0.5", "" + acosOfHalf],
["Math.PI", "" + Math.acos(Math.PI)],
["Infinity", "NaN"],
["-Infinity", "NaN"],
["NaN", "NaN"],
["\"WebKit\"", "NaN"],
["\"0.5\"", "" + acosOfHalf],
["{ valueOf: () => { return 0.5; } }", "" + acosOfHalf],
];
let validInputTypedTestCases = validInputTestCases.map((element) => { return [eval("(" + element[0] + ")"), eval(element[1])] });
function isIdentical(result, expected)
{
if (expected === expected) {
if (result !== expected)
return false;
if (!expected)
return (1 / expected) === (1 / result);
return true;
}
return result !== result;
}
// Test Math.acos() without arguments.
function opaqueACosNoArgument() {
return Math.acos();
}
noInline(opaqueACosNoArgument);
noOSRExitFuzzing(opaqueACosNoArgument);
function testNoArgument() {
for (let i = 0; i < 1e4; ++i) {
let output = opaqueACosNoArgument();
if (output === output) {
throw "Failed opaqueACosNoArgument";
}
}
if (numberOfDFGCompiles(opaqueACosNoArgument) > 1)
throw "The call without arguments should never exit.";
}
testNoArgument();
// Test Math.acos() with a very polymorphic input. All test cases are seen at each iteration.
function opaqueAllTypesACos(argument) {
return Math.acos(argument);
}
noInline(opaqueAllTypesACos);
noOSRExitFuzzing(opaqueAllTypesACos);
function testAllTypesCall() {
for (let i = 0; i < 1e3; ++i) {
for (let testCaseInput of validInputTypedTestCases) {
let output = opaqueAllTypesACos(testCaseInput[0]);
if (!isIdentical(output, testCaseInput[1]))
throw "Failed testAllTypesCall for input " + testCaseInput[0] + " expected " + testCaseInput[1] + " got " + output;
}
}
if (numberOfDFGCompiles(opaqueAllTypesACos) > 2)
throw "We should have detected acos() was polymorphic and generated a generic version.";
}
testAllTypesCall();
// Test Math.acos() on a completely typed input. Every call see only one type.
function testSingleTypeCall() {
for (let testCaseInput of validInputTestCases) {
eval(`
function opaqueACos(argument) {
return Math.acos(argument);
}
noInline(opaqueACos);
noOSRExitFuzzing(opaqueACos);
for (let i = 0; i < 1e4; ++i) {
if (!isIdentical(opaqueACos(${testCaseInput[0]}), ${testCaseInput[1]})) {
throw "Failed testSingleTypeCall()";
}
}
if (numberOfDFGCompiles(opaqueACos) > 1)
throw "We should have compiled a single acos for the expected type.";
`);
}
}
testSingleTypeCall();
// Test Math.acos() on constants
function testConstant() {
for (let testCaseInput of validInputTestCases) {
eval(`
function opaqueACosOnConstant() {
return Math.acos(${testCaseInput[0]});
}
noInline(opaqueACosOnConstant);
noOSRExitFuzzing(opaqueACosOnConstant);
for (let i = 0; i < 1e4; ++i) {
if (!isIdentical(opaqueACosOnConstant(), ${testCaseInput[1]})) {
throw "Failed testConstant()";
}
}
if (numberOfDFGCompiles(opaqueACosOnConstant) > 1)
throw "We should have compiled a single acos for the expected type.";
`);
}
}
testConstant();
// Verify we call valueOf() exactly once per call.
function opaqueACosForSideEffects(argument) {
return Math.acos(argument);
}
noInline(opaqueACosForSideEffects);
noOSRExitFuzzing(opaqueACosForSideEffects);
function testSideEffect() {
let testObject = {
counter: 0,
valueOf: function() { ++this.counter; return 0.2; }
};
let acosResult = Math.acos(0.2);
for (let i = 0; i < 1e4; ++i) {
if (opaqueACosForSideEffects(testObject) !== acosResult)
throw "Incorrect result in testSideEffect()";
}
if (testObject.counter !== 1e4)
throw "Failed testSideEffect()";
if (numberOfDFGCompiles(opaqueACosForSideEffects) > 1)
throw "opaqueACosForSideEffects() is predictable, it should only be compiled once.";
}
testSideEffect();
// Verify acos() is not subject to CSE if the argument has side effects.
function opaqueACosForCSE(argument) {
return Math.acos(argument) + Math.acos(argument) + Math.acos(argument);
}
noInline(opaqueACosForCSE);
noOSRExitFuzzing(opaqueACosForCSE);
function testCSE() {
let testObject = {
counter: 0,
valueOf: function() { ++this.counter; return 0.2; }
};
let acosResult = Math.acos(0.2);
let threeacosResult = acosResult + acosResult + acosResult;
for (let i = 0; i < 1e4; ++i) {
if (opaqueACosForCSE(testObject) !== threeacosResult)
throw "Incorrect result in testCSE()";
}
if (testObject.counter !== 3e4)
throw "Failed testCSE()";
if (numberOfDFGCompiles(opaqueACosForCSE) > 1)
throw "opaqueACosForCSE() is predictable, it should only be compiled once.";
}
testCSE();
// Verify acos() is not subject to DCE if the argument has side effects.
function opaqueACosForDCE(argument) {
Math.acos(argument);
}
noInline(opaqueACosForDCE);
noOSRExitFuzzing(opaqueACosForDCE);
function testDCE() {
let testObject = {
counter: 0,
valueOf: function() { ++this.counter; return 0.2; }
};
for (let i = 0; i < 1e4; ++i) {
opaqueACosForDCE(testObject);
}
if (testObject.counter !== 1e4)
throw "Failed testDCE()";
if (numberOfDFGCompiles(opaqueACosForDCE) > 1)
throw "opaqueACosForDCE() is predictable, it should only be compiled once.";
}
testDCE();
// Test exceptions in the argument.
function testException() {
let counter = 0;
function opaqueACosWithException(argument) {
let result = Math.acos(argument);
++counter;
return result;
}
noInline(opaqueACosWithException);
let testObject = { valueOf: () => { return 0.1; } };
let acosResult = Math.acos(0.1);
// Warm up without exception.
for (let i = 0; i < 1e3; ++i) {
if (opaqueACosWithException(testObject) !== acosResult)
throw "Incorrect result in opaqueACosWithException()";
}
let testThrowObject = { valueOf: () => { throw testObject; return 0.1; } };
for (let i = 0; i < 1e2; ++i) {
try {
if (opaqueACosWithException(testThrowObject) !== 8)
throw "This code should not be reached!!";
} catch (e) {
if (e !== testObject) {
throw "Wrong object thrown from opaqueACosWithException."
}
}
}
if (counter !== 1e3) {
throw "Invalid count in testException()";
}
}
testException();