Libraries: Move to Userland/Libraries/

Userland/Libraries/LibJS/Tests/try-catch-finally-nested.js

@@ -0,0 +1,55 @@
+test("Nested try/catch/finally with exceptions", () => {
+    // This test uses a combination of boolean "checkpoint" flags
+    // and expect().fail() to ensure certain code paths have been
+    // reached and others haven't.
+    var level1TryHasBeenExecuted = false;
+    var level1CatchHasBeenExecuted = false;
+    var level1FinallyHasBeenExecuted = false;
+    var level2TryHasBeenExecuted = false;
+    var level2CatchHasBeenExecuted = false;
+    var level3TryHasBeenExecuted = false;
+    var level3CatchHasBeenExecuted = false;
+    var level3FinallyHasBeenExecuted = false;
+    expect(() => {
+        try {
+            level1TryHasBeenExecuted = true;
+            foo();
+            expect().fail();
+        } catch (e) {
+            level1CatchHasBeenExecuted = true;
+            try {
+                level2TryHasBeenExecuted = true;
+                try {
+                    level3TryHasBeenExecuted = true;
+                    bar();
+                    expect().fail();
+                } catch (e) {
+                    level3CatchHasBeenExecuted = true;
+                } finally {
+                    level3FinallyHasBeenExecuted = true;
+                    baz();
+                    expect().fail();
+                }
+                expect().fail();
+            } catch (e) {
+                level2CatchHasBeenExecuted = true;
+                qux();
+                expect().fail();
+            }
+            expect().fail();
+        } finally {
+            level1FinallyHasBeenExecuted = true;
+            throw Error("Error in final finally");
+            expect().fail();
+        }
+        expect().fail();
+    }).toThrow(Error, "Error in final finally");
+    expect(level1TryHasBeenExecuted).toBeTrue();
+    expect(level1CatchHasBeenExecuted).toBeTrue();
+    expect(level1FinallyHasBeenExecuted).toBeTrue();
+    expect(level2TryHasBeenExecuted).toBeTrue();
+    expect(level2CatchHasBeenExecuted).toBeTrue();
+    expect(level3TryHasBeenExecuted).toBeTrue();
+    expect(level3CatchHasBeenExecuted).toBeTrue();
+    expect(level3FinallyHasBeenExecuted).toBeTrue();
+});