Add a test

Author: user202729

src/sage/doctest/test.py

@@ -297,13 +297,18 @@
 
 A different kind of crash::
 
-    sage: subprocess.call(["sage", "-t", "--warn-long", "0",    # long time
-    ....:      "--random-seed=0", "--optional=sage", "fail_and_die.rst"], **kwds)
+    sage: # long time
+    sage: proc = subprocess.run(["sage", "-t", "--warn-long", "0",
+    ....:      "--random-seed=0", "--optional=sage", "fail_and_die.rst"], **kwds,
+    ....:      stdout=subprocess.PIPE, text=True)
+    sage: # the replacements are needed to avoid the strings being interpreted
+    ....: # specially by the doctesting framework
+    sage: print(proc.stdout.replace('sage:', 'sage<COLON>').replace('....:', '<DOTSCOLON>'))
     Running doctests...
     Doctesting 1 file.
     sage -t --warn-long 0.0 --random-seed=0 fail_and_die.rst
     **********************************************************************
-    File "fail_and_die.rst", line 5, in sage.doctest.tests.fail_and_die
+    File "fail_and_die.rst", line 8, in sage.doctest.tests.fail_and_die
     Failed example:
         this_gives_a_NameError
     Exception raised:
@@ -313,11 +318,18 @@
         Killed due to kill signal
     **********************************************************************
     Tests run before process (pid=...) failed:
-    ...
+    sage<COLON> import time, signal ## line 4 ##
+    sage<COLON> print(1,
+    <DOTSCOLON>       2) ## line 5 ##
+    1 2
+    sage<COLON> this_gives_a_NameError ## line 8 ##
+    sage<COLON> os.kill(os.getpid(), signal.SIGKILL) ## line 9 ##
+    **********************************************************************
     ----------------------------------------------------------------------
     sage -t --warn-long 0.0 --random-seed=0 fail_and_die.rst  # Killed due to kill signal
     ----------------------------------------------------------------------
     ...
+    sage: proc.returncode
     16
 
 Test that ``sig_on_count`` is checked correctly::

src/sage/doctest/tests/fail_and_die.rst

@@ -1,6 +1,9 @@
 The :exc:`NameError` raised on the second line should be displayed, even
-if we crash immediately afterwards::
+if we crash immediately afterwards (also test printing of line continuation)::
 
     sage: import time, signal
+    sage: print(1,
+    ....:       2)
+    1 2
     sage: this_gives_a_NameError
     sage: os.kill(os.getpid(), signal.SIGKILL)