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