onExceptionUnwind-16.js (1651B)
1 // Test behavior of isInCatchScope on frame from loop iterator 2 3 load(libdir + "asserts.js"); 4 5 var g = newGlobal({newCompartment: true}); 6 var dbg = Debugger(g); 7 var hit = false; 8 dbg.onExceptionUnwind = function (frame, exc) { 9 // onExceptionUnwind is called multiple times as the stack is unwound. 10 // Only check the first hit. 11 assertEq(frame instanceof Debugger.Frame, true); 12 assertEq(exc, 16); 13 if (!hit) { 14 hit = true; 15 { 16 assertEq(frame.type, "call"); 17 assertEq(frame.callee.name, "foo"); 18 assertEq(frame.older.type, "call"); 19 const { lineNumber, columnNumber } = frame.script.getOffsetMetadata(frame.offset); 20 assertEq(lineNumber, 3); 21 assertEq(columnNumber, 5); 22 23 const isInCatchScope = frame.script.isInCatchScope(frame.offset); 24 assertEq(isInCatchScope, false); 25 } 26 27 { 28 const { older } = frame; 29 assertEq(older.type, "call"); 30 assertEq(older.callee.name, "f"); 31 assertEq(older.type, "call"); 32 const { lineNumber, columnNumber } = older.script.getOffsetMetadata(older.offset); 33 assertEq(lineNumber, 7); 34 assertEq(columnNumber, 5); 35 36 const isInCatchScope = older.script.isInCatchScope(older.offset); 37 assertEq(isInCatchScope, false); 38 } 39 } 40 }; 41 42 g.eval( 43 `function f() { 44 function foo() { 45 throw 16; // <= first frame on exception is here 46 } 47 48 for (const _ of [1]) { 49 foo(); // <= second frame, "older" is here 50 } 51 } 52 `); 53 assertThrowsValue(function () { g.eval("f();"); }, 16); 54 assertEq(hit, true);