diff options
Diffstat (limited to 'js/src/tests/ecma_6/Class/newTargetArrow.js')
-rw-r--r-- | js/src/tests/ecma_6/Class/newTargetArrow.js | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/Class/newTargetArrow.js b/js/src/tests/ecma_6/Class/newTargetArrow.js new file mode 100644 index 000000000..548f75047 --- /dev/null +++ b/js/src/tests/ecma_6/Class/newTargetArrow.js @@ -0,0 +1,24 @@ +// new.target is valid in any arrow function not in a global context. +new Function('(() => new.target)()'); + +// It's also good inside eval, but not global eval +assertThrowsInstanceOf(() => eval('() => new.target'), SyntaxError); + +function assertNewTarget(expected) { + assertEq((()=>new.target)(), expected); + assertEq(eval('()=>new.target')(), expected); + + // Make sure that arrow functions can escape their original context and + // still get the right answer. + return (() => new.target); +} + +const ITERATIONS = 550; +for (let i = 0; i < ITERATIONS; i++) + assertEq(assertNewTarget(undefined)(), undefined); + +for (let i = 0; i < ITERATIONS; i++) + assertEq(new assertNewTarget(assertNewTarget)(), assertNewTarget); + +if (typeof reportCompare === 'function') + reportCompare(0,0,"OK"); |