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Commit f4151fdb authored by André Bargull's avatar André Bargull Committed by Rick Waldron
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Add tests for TCO with eval and cross-realm cases

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test/language/expressions/call/tco-cross-realm-class-construct.js 0 → 100644
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View file @ f4151fdb
// Copyright (C) 2017 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
id: sec-function-calls-runtime-semantics-evaluation
info: >
Check TypeError is thrown from correct realm with tco-call to class constructor from derived
class [[Construct]] invocation.
description: |
12.3.4.3 Runtime Semantics: EvaluateDirectCall( func, thisValue, arguments, tailPosition )
...
4. If tailPosition is true, perform PrepareForTailCall().
5. Let result be Call(func, thisValue, argList).
6. Assert: If tailPosition is true, the above call will not return here, but instead evaluation will continue as if the following return has already occurred.
7. Assert: If result is not an abrupt completion, then Type(result) is an ECMAScript language type.
8. Return result.
9.2.1 [[Call]] ( thisArgument, argumentsList)
...
2. If F.[[FunctionKind]] is "classConstructor", throw a TypeError exception.
3. Let callerContext be the running execution context.
4. Let calleeContext be PrepareForOrdinaryCall(F, undefined).
5. Assert: calleeContext is now the running execution context.
...
features: [tail-call-optimization, class]
---*/
// - The class constructor call is in a valid tail-call position, which means PrepareForTailCall is performed.
// - The function call returns from `otherRealm` and proceeds the tail-call in this realm.
// - Calling the class constructor throws a TypeError from the current realm, that means this realm and not `otherRealm`.
var code = "(class { constructor() { return (class {})(); } });";
var otherRealm = $262.createRealm();
var tco = otherRealm.evalScript(code);
assert.throws(TypeError, function() {
new tco();
});
test/language/expressions/call/tco-cross-realm-class-derived-construct.js 0 → 100644
+ 39
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View file @ f4151fdb
// Copyright (C) 2017 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
id: sec-function-calls-runtime-semantics-evaluation
info: >
Check TypeError is thrown from correct realm with tco-call to class constructor from
class [[Construct]] invocation.
description: |
12.3.4.3 Runtime Semantics: EvaluateDirectCall( func, thisValue, arguments, tailPosition )
...
4. If tailPosition is true, perform PrepareForTailCall().
5. Let result be Call(func, thisValue, argList).
6. Assert: If tailPosition is true, the above call will not return here, but instead evaluation will continue as if the following return has already occurred.
7. Assert: If result is not an abrupt completion, then Type(result) is an ECMAScript language type.
8. Return result.
9.2.1 [[Call]] ( thisArgument, argumentsList)
...
2. If F.[[FunctionKind]] is "classConstructor", throw a TypeError exception.
3. Let callerContext be the running execution context.
4. Let calleeContext be PrepareForOrdinaryCall(F, undefined).
5. Assert: calleeContext is now the running execution context.
...
features: [tail-call-optimization, class]
---*/
// - The class constructor call is in a valid tail-call position, which means PrepareForTailCall is performed.
// - The function call returns from `otherRealm` and proceeds the tail-call in this realm.
// - Calling the class constructor throws a TypeError from the current realm, that means this realm and not `otherRealm`.
var code = "(class extends Object { constructor() { return (class {})(); } });";
var otherRealm = $262.createRealm();
var tco = otherRealm.evalScript(code);
assert.throws(TypeError, function() {
new tco();
});
test/language/expressions/call/tco-cross-realm-fun-call.js 0 → 100644
+ 38
− 0
View file @ f4151fdb
// Copyright (C) 2017 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
id: sec-function-calls-runtime-semantics-evaluation
info: >
Check TypeError is thrown from correct realm with tco-call to class constructor from [[Call]] invocation.
description: |
12.3.4.3 Runtime Semantics: EvaluateDirectCall( func, thisValue, arguments, tailPosition )
...
4. If tailPosition is true, perform PrepareForTailCall().
5. Let result be Call(func, thisValue, argList).
6. Assert: If tailPosition is true, the above call will not return here, but instead evaluation will continue as if the following return has already occurred.
7. Assert: If result is not an abrupt completion, then Type(result) is an ECMAScript language type.
8. Return result.
9.2.1 [[Call]] ( thisArgument, argumentsList)
...
2. If F.[[FunctionKind]] is "classConstructor", throw a TypeError exception.
3. Let callerContext be the running execution context.
4. Let calleeContext be PrepareForOrdinaryCall(F, undefined).
5. Assert: calleeContext is now the running execution context.
...
features: [tail-call-optimization, class]
---*/
// - The class constructor call is in a valid tail-call position, which means PrepareForTailCall is performed.
// - The function call returns from `otherRealm` and proceeds the tail-call in this realm.
// - Calling the class constructor throws a TypeError from the current realm, that means this realm and not `otherRealm`.
var code = "'use strict'; (function() { return (class {})(); });";
var otherRealm = $262.createRealm();
var tco = otherRealm.evalScript(code);
assert.throws(TypeError, function() {
tco();
});
test/language/expressions/call/tco-cross-realm-fun-construct.js 0 → 100644
+ 38
− 0
View file @ f4151fdb
// Copyright (C) 2017 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
id: sec-function-calls-runtime-semantics-evaluation
info: >
Check TypeError is thrown from correct realm with tco-call to class constructor from [[Construct]] invocation.
description: |
12.3.4.3 Runtime Semantics: EvaluateDirectCall( func, thisValue, arguments, tailPosition )
...
4. If tailPosition is true, perform PrepareForTailCall().
5. Let result be Call(func, thisValue, argList).
6. Assert: If tailPosition is true, the above call will not return here, but instead evaluation will continue as if the following return has already occurred.
7. Assert: If result is not an abrupt completion, then Type(result) is an ECMAScript language type.
8. Return result.
9.2.1 [[Call]] ( thisArgument, argumentsList)
...
2. If F.[[FunctionKind]] is "classConstructor", throw a TypeError exception.
3. Let callerContext be the running execution context.
4. Let calleeContext be PrepareForOrdinaryCall(F, undefined).
5. Assert: calleeContext is now the running execution context.
...
features: [tail-call-optimization, class]
---*/
// - The class constructor call is in a valid tail-call position, which means PrepareForTailCall is performed.
// - The function call returns from `otherRealm` and proceeds the tail-call in this realm.
// - Calling the class constructor throws a TypeError from the current realm, that means this realm and not `otherRealm`.
var code = "'use strict'; (function() { return (class {})(); });";
var otherRealm = $262.createRealm();
var tco = otherRealm.evalScript(code);
assert.throws(TypeError, function() {
new tco();
});
test/language/expressions/call/tco-non-eval-function-dynamic.js 0 → 100644
+ 44
− 0
View file @ f4151fdb
// Copyright (C) 2017 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
id: sec-function-calls-runtime-semantics-evaluation
info: >
Tail-call with identifier named "eval" in function environment, local "eval" binding dynamically added.
description: |
12.3.4.1 Runtime Semantics: Evaluation
...
6. If Type(ref) is Reference and IsPropertyReference(ref) is false and
GetReferencedName(ref) is "eval", then
a. If SameValue(func, %eval%) is true, then
...
...
9. Return ? EvaluateCall(func, ref, arguments, tailCall).
12.3.4.2 Runtime Semantics: EvaluateCall( func, ref, arguments, tailPosition )
...
7. If tailPosition is true, perform PrepareForTailCall().
8. Let result be Call(func, thisValue, argList).
...
flags: [noStrict]
features: [tail-call-optimization]
includes: [tcoHelper.js]
---*/
var callCount = 0;
(function() {
function f(n) {
"use strict";
if (n === 0) {
callCount += 1
return;
}
return eval(n - 1);
}
eval("var eval = f;");
f($MAX_ITERATIONS);
})();
assert.sameValue(callCount, 1);
test/language/expressions/call/tco-non-eval-function.js 0 → 100644
+ 44
− 0
View file @ f4151fdb
// Copyright (C) 2017 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
id: sec-function-calls-runtime-semantics-evaluation
info: >
Tail-call with identifier named "eval" in function environment.
description: |
12.3.4.1 Runtime Semantics: Evaluation
...
6. If Type(ref) is Reference and IsPropertyReference(ref) is false and
GetReferencedName(ref) is "eval", then
a. If SameValue(func, %eval%) is true, then
...
...
9. Return ? EvaluateCall(func, ref, arguments, tailCall).
12.3.4.2 Runtime Semantics: EvaluateCall( func, ref, arguments, tailPosition )
...
7. If tailPosition is true, perform PrepareForTailCall().
8. Let result be Call(func, thisValue, argList).
...
flags: [noStrict]
features: [tail-call-optimization]
includes: [tcoHelper.js]
---*/
var callCount = 0;
(function() {
function f(n) {
"use strict";
if (n === 0) {
callCount += 1
return;
}
return eval(n - 1);
}
var eval = f;
f($MAX_ITERATIONS);
})();
assert.sameValue(callCount, 1);
test/language/expressions/call/tco-non-eval-global.js 0 → 100644
+ 43
− 0
View file @ f4151fdb
// Copyright (C) 2017 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
id: sec-function-calls-runtime-semantics-evaluation
info: >
Tail-call with identifier named "eval" in global environment.
description: |
12.3.4.1 Runtime Semantics: Evaluation
...
6. If Type(ref) is Reference and IsPropertyReference(ref) is false and
GetReferencedName(ref) is "eval", then
a. If SameValue(func, %eval%) is true, then
...
...
9. Return ? EvaluateCall(func, ref, arguments, tailCall).
12.3.4.2 Runtime Semantics: EvaluateCall( func, ref, arguments, tailPosition )
...
7. If tailPosition is true, perform PrepareForTailCall().
8. Let result be Call(func, thisValue, argList).
...
flags: [noStrict]
features: [tail-call-optimization]
includes: [tcoHelper.js]
---*/
var callCount = 0;
function f(n) {
"use strict";
if (n === 0) {
callCount += 1
return;
}
return eval(n - 1);
}
eval = f;
f($MAX_ITERATIONS);
assert.sameValue(callCount, 1);
test/language/expressions/call/tco-non-eval-with.js 0 → 100644
+ 46
− 0
View file @ f4151fdb
// Copyright (C) 2017 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
id: sec-function-calls-runtime-semantics-evaluation
info: >
Tail-call with identifier named "eval" in object environment.
description: |
12.3.4.1 Runtime Semantics: Evaluation
...
6. If Type(ref) is Reference and IsPropertyReference(ref) is false and
GetReferencedName(ref) is "eval", then
a. If SameValue(func, %eval%) is true, then
...
...
9. Return ? EvaluateCall(func, ref, arguments, tailCall).
12.3.4.2 Runtime Semantics: EvaluateCall( func, ref, arguments, tailPosition )
...
7. If tailPosition is true, perform PrepareForTailCall().
8. Let result be Call(func, thisValue, argList).
...
flags: [noStrict]
features: [tail-call-optimization]
includes: [tcoHelper.js]
---*/
var callCount = 0;
var f, scope = {};
with (scope) {
f = function (n) {
"use strict";
if (n === 0) {
callCount += 1
return;
}
return eval(n - 1);
}
}
scope.eval = f;
f($MAX_ITERATIONS);
assert.sameValue(callCount, 1);
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