Fix adding break after removing (PY-24026)

python/helpers/pydev/_pydevd_frame_eval/pydevd_frame_tracing.py

@@ -73,6 +73,7 @@ def _pydev_stop_at_break():
             breakpoint = breakpoints_for_file[line]
         except KeyError:
             pydev_log.debug("Couldn't find breakpoint in the file {} on line {}".format(frame.f_code.co_filename, line))
+            t.additional_info.is_tracing = False
             return
         if breakpoint and handle_breakpoint(frame, t, debugger, breakpoint):
             pydev_log.debug("Suspending at breakpoint in file: {} on line {}".format(frame.f_code.co_filename, line))

python/testSrc/com/jetbrains/env/python/PythonDebuggerTest.java

@@ -1173,7 +1173,6 @@ public class PythonDebuggerTest extends PyEnvTestCase {
       public void before() throws Exception {
         toggleBreakpoint(getScriptName(), 2);
         toggleBreakpoint(getScriptName(), 3);
-        setWaitForTermination(false);
       }
 
       @Override
@@ -1192,6 +1191,37 @@ public class PythonDebuggerTest extends PyEnvTestCase {
     });
   }
 
+  @Test
+  public void testAddBreakAfterRemove() throws Exception {
+    runPythonTest(new PyDebuggerTask("/debug", "test1.py") {
+      @Override
+      public void before() throws Exception {
+        toggleBreakpoint(getScriptName(), 2);
+      }
+
+      @Override
+      public void testing() throws Exception {
+        waitForPause();
+        eval("i").hasValue("0");
+        // remove break on line 2
+        toggleBreakpoint(getScriptName(), 2);
+        resume();
+        // add break on line 2
+        toggleBreakpoint(getScriptName(), 2);
+        // check if break on line 2 works
+        waitForPause();
+        // remove break on line 2 again
+        toggleBreakpoint(getScriptName(), 2);
+        // add break on line 3
+        toggleBreakpoint(getScriptName(), 3);
+        resume();
+        // check if break on line 3 works
+        waitForPause();
+        resume();
+      }
+    });
+  }
+
   //TODO: That doesn't work now: case from test_continuation.py and test_continuation2.py are treated differently by interpreter
   // (first line is executed in first case and last line in second)