diff options
Diffstat (limited to 'js/src/tests/ecma_6/Class/newTargetEval.js')
-rw-r--r-- | js/src/tests/ecma_6/Class/newTargetEval.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/Class/newTargetEval.js b/js/src/tests/ecma_6/Class/newTargetEval.js new file mode 100644 index 000000000..e3940bbf9 --- /dev/null +++ b/js/src/tests/ecma_6/Class/newTargetEval.js @@ -0,0 +1,34 @@ +// Eval of new.target is invalid outside functions. +try { + eval('new.target'); + assertEq(false, true); +} catch (e if e instanceof SyntaxError) { } + +// new.target is invalid inside eval inside top-level arrow functions +assertThrowsInstanceOf(() => eval('new.target'), SyntaxError); + +// new.target is invalid inside indirect eval. +let ieval = eval; +try { + (function () ieval('new.target'))(); + assertEq(false, true); +} catch (e if e instanceof SyntaxError) { } + +function assertNewTarget(expected) { + assertEq(eval('new.target'), expected); + assertEq((()=>eval('new.target'))(), expected); + + // Also test nestings "by induction" + assertEq(eval('eval("new.target")'), expected); + assertEq(eval("eval('eval(`new.target`)')"), expected); +} + +const ITERATIONS = 550; +for (let i = 0; i < ITERATIONS; i++) + assertNewTarget(undefined); + +for (let i = 0; i < ITERATIONS; i++) + new assertNewTarget(assertNewTarget); + +if (typeof reportCompare === "function") + reportCompare(0,0,"OK"); |