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