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// Test if isInCatchScope properly detects catch blocks.
let g = newGlobal({newCompartment: true});
let dbg = new Debugger(g);
function test(string, mustBeCaught) {
let index = 0;
dbg.onExceptionUnwind = function (frame) {
let willBeCaught = false;
do {
if (frame.script.isInCatchScope(frame.offset)) {
willBeCaught = true;
break;
}
frame = frame.older;
} while (frame != null);
assertEq(willBeCaught, mustBeCaught[index++]);
};
try {
g.eval(string);
} catch (ex) {}
assertEq(index, mustBeCaught.length);
}
// Should correctly detect catch blocks
test("throw new Error();", [false]);
test("try { throw new Error(); } catch (e) {}", [true]);
test("try { throw new Error(); } finally {}", [false, false]);
test("try { throw new Error(); } catch (e) {} finally {}", [true]);
// Source of the exception shouldn't matter
test("(null)();", [false]);
test("try { (null)(); } catch (e) {}", [true]);
test("try { (null)(); } finally {}", [false, false]);
test("try { (null)(); } catch (e) {} finally {}", [true]);
// Should correctly detect catch blocks in functions
test("function f() { throw new Error(); } f();", [false, false]);
test("function f() { try { throw new Error(); } catch (e) {} } f();", [true]);
test("function f() { try { throw new Error(); } finally {} } f();", [false, false, false]);
test("function f() { try { throw new Error(); } catch (e) {} finally {} } f();", [true]);
// Should correctly detect catch blocks in evals
test("eval('throw new Error();')", [false, false]);
test("eval('try { throw new Error(); } catch (e) {}');", [true]);
test("eval('try { throw new Error(); } finally {}');", [false, false, false]);
test("eval('try { throw new Error(); } catch (e) {} finally {}');", [true]);
// Should correctly detect rethrows
test("try { throw new Error(); } catch (e) { throw e; }", [true, false]);
test("try { try { throw new Error(); } catch (e) { throw e; } } catch (e) {}", [true, true]);
test("try { try { throw new Error(); } finally {} } catch (e) {}", [true, true]);
test("function f() { try { throw new Error(); } catch (e) { throw e; } } f();", [true, false, false]);
test("function f() { try { try { throw new Error(); } catch (e) { throw e; } } catch (e) {} } f();", [true, true]);
test("function f() { try { try { throw new Error(); } finally {} } catch (e) {} } f();", [true, true]);
test("eval('try { throw new Error(); } catch (e) { throw e; }')", [true, false, false]);
test("eval('try { try { throw new Error(); } catch (e) { throw e; } } catch (e) {}')", [true, true]);
// Should correctly detect catch blocks across frame boundaries
test("function f() { throw new Error(); } try { f(); } catch (e) {}", [true, true]);
test("function f() { throw new Error(); } try { f(); } catch (e) { throw e; }", [true, true, false]);
test("try { eval('throw new Error()'); } catch (e) {}", [true, true]);
test("try { eval('throw new Error()'); } catch (e) { throw e; }", [true, true, false]);
// Should correctly detect catch blocks just before and just after throws
test("throw new Error; try {} catch (e) {}", [false]);
test("try {} catch (e) {} throw new Error();", [false]);
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