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// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Flags: --harmony-class-fields
// Utility function for testing that the expected strings occur
// in the stack trace produced when running the given function.
function testTrace(name, fun, expected, unexpected) {
var threw = false;
try {
fun();
} catch (e) {
for (var i = 0; i < expected.length; i++) {
assertTrue(
e.stack.indexOf(expected[i]) != -1,
name + " doesn't contain expected[" + i + "] stack = " + e.stack
);
}
if (unexpected) {
for (var i = 0; i < unexpected.length; i++) {
assertEquals(
e.stack.indexOf(unexpected[i]),
-1,
name + " contains unexpected[" + i + "]"
);
}
}
threw = true;
}
assertTrue(threw, name + " didn't throw");
}
function thrower() {
FAIL;
}
function testClassConstruction() {
class X {
static x = thrower();
}
}
// ReferenceError: FAIL is not defined
// at thrower
// at <static_fields_initializer>
// at testClassConstruction
// at testTrace
testTrace(
"during class construction",
testClassConstruction,
["thrower", "<static_fields_initializer>"],
["anonymous"]
);
function testClassConstruction2() {
class X {
[thrower()];
}
}
// ReferenceError: FAIL is not defined
// at thrower
// at testClassConstruction2
// at testTrace
testTrace("during class construction2", testClassConstruction2, ["thrower"]);
function testClassInstantiation() {
class X {
x = thrower();
}
new X();
}
// ReferenceError: FAIL is not defined
// at thrower
// at X.<instance_fields_initializer>
// at new X
// at testClassInstantiation
// at testTrace
testTrace(
"during class instantiation",
testClassInstantiation,
["thrower", "X.<instance_fields_initializer>", "new X"],
["anonymous"]
);
function testClassInstantiationWithSuper() {
class Base {}
class X extends Base {
x = thrower();
}
new X();
}
// ReferenceError: FAIL is not defined
// at thrower
// at X.<instance_fields_initializer>
// at new X
// at testClassInstantiation
// at testTrace
testTrace(
"during class instantiation with super",
testClassInstantiationWithSuper,
["thrower", "X.<instance_fields_initializer>", "new X"],
["Base", "anonymous"]
);
function testClassInstantiationWithSuper2() {
class Base {}
class X extends Base {
constructor() {
super();
}
x = thrower();
}
new X();
}
// ReferenceError: FAIL is not defined
// at thrower
// at X.<instance_fields_initializer>
// at new X
// at testClassInstantiation
// at testTrace
testTrace(
"during class instantiation with super2",
testClassInstantiationWithSuper2,
["thrower", "X.<instance_fields_initializer>", "new X"],
["Base", "anonymous"]
);
function testClassInstantiationWithSuper3() {
class Base {
x = thrower();
}
class X extends Base {
constructor() {
super();
}
}
new X();
}
// ReferenceError: FAIL is not defined
// at thrower
// at X.<instance_fields_initializer>
// at new Base
// at new X
// at testClassInstantiationWithSuper3
// at testTrace
testTrace(
"during class instantiation with super3",
testClassInstantiationWithSuper3,
["thrower", "X.<instance_fields_initializer>", "new Base", "new X"],
["anonymous"]
);
function testClassFieldCall() {
class X {
x = thrower;
}
let x = new X();
x.x();
}
// ReferenceError: FAIL is not defined
// at X.thrower [as x]
// at testClassFieldCall
// at testTrace
testTrace(
"during class field call",
testClassFieldCall,
["X.thrower"],
["anonymous"]
);
function testStaticClassFieldCall() {
class X {
static x = thrower;
}
X.x();
}
// ReferenceError: FAIL is not defined
// at Function.thrower [as x]
// at testStaticClassFieldCall
// at testTrace
testTrace(
"during static class field call",
testStaticClassFieldCall,
["Function.thrower"],
["anonymous"]
);
function testClassFieldCallWithFNI() {
class X {
x = function() {
FAIL;
};
}
let x = new X();
x.x();
}
// ReferenceError: FAIL is not defined
// at X.x
// at testClassFieldCallWithFNI
// at testTrace
testTrace(
"during class field call with FNI",
testClassFieldCallWithFNI,
["X.x"],
["anonymous"]
);
function testStaticClassFieldCallWithFNI() {
class X {
static x = function() {
FAIL;
};
}
X.x();
}
// ReferenceError: FAIL is not defined
// at Function.x
// at testStaticClassFieldCallWithFNI
// at testTrace
testTrace(
"during static class field call with FNI",
testStaticClassFieldCallWithFNI,
["Function.x"],
["anonymous"]
);
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