diff options
Diffstat (limited to 'js/src/jit-test/tests/debug/onDebuggerStatement-generator-resumption-01.js')
-rw-r--r-- | js/src/jit-test/tests/debug/onDebuggerStatement-generator-resumption-01.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/onDebuggerStatement-generator-resumption-01.js b/js/src/jit-test/tests/debug/onDebuggerStatement-generator-resumption-01.js new file mode 100644 index 0000000000..c4e1ade96e --- /dev/null +++ b/js/src/jit-test/tests/debug/onDebuggerStatement-generator-resumption-01.js @@ -0,0 +1,32 @@ +// A Debugger can {return:} from onDebuggerStatement in a generator. + +load(libdir + "asserts.js"); + +let g = newGlobal({newCompartment: true}); +g.eval(` + function* f1() { + debugger; + yield 1; + } + + function* f2() { + yield 1; + debugger; + yield 2; + } +`); + +let dbg = Debugger(g); +dbg.onDebuggerStatement = frame => ({return: "Ronja"}); + +let genObj = g.f1(); +assertDeepEq(genObj.next(), {value: "Ronja", done: true}); +// Forced return closes the generator. Closed generators behave like this: +assertDeepEq(genObj.next(), {value: undefined, done: true}); + +// It works the same after resuming from a yield. +genObj = g.f2(); +assertDeepEq(genObj.next(), {value: 1, done: false}); +assertDeepEq(genObj.next(), {value: "Ronja", done: true}); +assertDeepEq(genObj.next(), {value: undefined, done: true}); // closed + |