generate core just-in-time

tests/test_loads.py

@@ -90,12 +90,15 @@ def test_loads_binary_without_crashing():
 def test_loads_binary_with_core_without_crashing():
     if not os.path.isfile(BINARY):
         compile_binary(BINARY_SOURCE, BINARY)
+    if not os.path.isfile(CORE):
+        create_coredump = ['run', f'generate-core-file {CORE}']
+        run_gdb_with_script(binary=BINARY, pyafter=create_coredump)
+        assert os.path.isfile(CORE)
     output = run_gdb_with_script(binary=BINARY, core=CORE).splitlines()
 
     expected = [
         'Reading symbols from %s...' % BINARY,
         '(No debugging symbols found in %s)' % BINARY,
-        "Core was generated by `./binary'.",
         'Program terminated with signal SIGFPE, Arithmetic exception.',
     ]
     expected += HELLO
@@ -106,6 +109,10 @@ def test_loads_binary_with_core_without_crashing():
     lwp_line = re.compile('^\[New LWP \d+\]$')
     assert any([lwp_line.match(line) for line in output])
 
+    # matches for example "Core was generated by `./binary'."
+    binary_line = re.compile("^Core was generated by .+$")
+    assert any([binary_line.match(line) for line in output])
+
     # matches for example '#0  0x0000556e99b7913c in main ()'
     crash_address_line = re.compile('^#0  0x[0-9a-fA-F]+ in main \(\)$')
     assert any([crash_address_line.match(line) for line in output])
@@ -115,10 +122,13 @@ def test_loads_binary_with_core_without_crashing():
 def test_loads_core_without_crashing():
     if not os.path.isfile(BINARY):
         compile_binary(BINARY_SOURCE, BINARY)
+    if not os.path.isfile(CORE):
+        create_coredump = ['run', f'generate-core-file {CORE}']
+        run_gdb_with_script(binary=BINARY, pyafter=create_coredump)
+        assert os.path.isfile(CORE)
     output = run_gdb_with_script(core=CORE).splitlines()
 
     expected = [
-        "Core was generated by `./binary'.",
         'Program terminated with signal SIGFPE, Arithmetic exception.',
     ]
     expected += HELLO
@@ -129,6 +139,10 @@ def test_loads_core_without_crashing():
     lwp_line = re.compile('^\[New LWP \d+\]$')
     assert any([lwp_line.match(line) for line in output])
 
+    # matches for example "Core was generated by `./binary'."
+    binary_line = re.compile("^Core was generated by .+$")
+    assert any([binary_line.match(line) for line in output])
+
     # matches for example '#0  0x0000556e99b7913c in ?? ()'
     crash_address_line = re.compile('^#0  0x[0-9a-fA-F]+ in \?\? \(\)$')
     assert any([crash_address_line.match(line) for line in output])