michael@0: // yield without an operand causes a warning. See bug 885463.
michael@0: 
michael@0: load(libdir + "asserts.js");
michael@0: 
michael@0: assertWarning(() => Function("yield"), SyntaxError,
michael@0:              "yield followed by EOF should cause a warning");
michael@0: assertWarning(() => Function("yield;"), SyntaxError,
michael@0:              "yield followed by semicolon should cause a warning");
michael@0: assertWarning(() => Function("yield\n  print('ok');"), SyntaxError,
michael@0:              "yield followed by newline should cause a warning");
michael@0: 
michael@0: assertWarning(() => eval("(function () { yield; })"), SyntaxError,
michael@0:              "yield followed by semicolon in eval code should cause a warning");
michael@0: assertWarning(() => eval("(function () { yield })"), SyntaxError,
michael@0:              "yield followed by } in eval code should cause a warning");
michael@0: 
michael@0: assertNoWarning(() => Function("yield 0;"),
michael@0:                 "yield with an operand should be fine");
michael@0: assertNoWarning(() => Function("yield 0"),
michael@0:                 "yield with an operand should be fine, even without a semicolon");
michael@0: 
michael@0: print("\npassed - all those warnings are normal and there's no real way to suppress them");