third_party/WebKit/LayoutTests/fast/js/script-tests/reparsing-semicolon-insertion.js

   1 description(
   2 "This test checks that automatic semicolon insertion for parsing and reparsing agree. In a debug build, this test will fail with an assertion failure if they do not."
   3 );
   4
   5 // According to the ECMA spec, these should all be syntax errors. However, the
   6 // pre-existing behaviour of JavaScriptCore has always been to accept them. If
   7 // JavaScriptCore is changed so that these are syntax errors in the future, then
   8 // this test can simply be changed to reflect that.
   9
  10 // It is important that the closing braces be on the same line as the commas, so
  11 // that a newline doesn't act as a terminator when lexing inbetween.
  12
  13 function commaTest() { a = 1 }
  14
  15 shouldBeUndefined("commaTest()");
  16
  17 function varCommaTest() { var a = 1 }
  18
  19 shouldBeUndefined("varCommaTest()");
  20
  21 function constCommaTest() { const a = 1 }
  22
  23 shouldBeUndefined("constCommaTest()");
  24
  25 function commaParenTest() { (1) }
  26
  27 shouldBeUndefined("commaParenTest()");
  28
  29 function commaParenThrowTest() { (x) }
  30
  31 shouldThrow("commaParenThrowTest()");