tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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letTDZSwitchClosure.js (890B)

      1 function assertThrowsReferenceError(f) {
      2  var err;
      3  try {
      4    f();
      5  } catch (e) {
      6    err = e;
      7  }
      8  assertEq(err instanceof ReferenceError, true);
      9 }
     10 
     11 function f() {
     12    switch (0) {
     13        case 1:
     14            let x
     15        case function() {
     16            print(x)
     17        }():
     18    }
     19 }
     20 assertThrowsReferenceError(f);
     21 
     22 function g() {
     23  switch (0) {
     24    case 1:
     25      let x;
     26    case 0:
     27      var inner = function () {
     28        print(x);
     29      }
     30      inner();
     31      break;
     32  }
     33 }
     34 assertThrowsReferenceError(g);
     35 
     36 function h() {
     37  switch (0) {
     38    case 0:
     39      var inner = function () {
     40        print(x);
     41      }
     42      inner();
     43    case 1:
     44      let x;
     45  }
     46 }
     47 assertThrowsReferenceError(h);
     48 
     49 // Tests that a dominating lexical doesn't throw.
     50 function F() {
     51  switch (0) {
     52    case 0:
     53      let x = 42;
     54      var inner = function () {
     55        assertEq(x, 42);
     56      }
     57      inner();
     58  }
     59 }
     60 F();