1import lldb 2from lldbsuite.test.lldbtest import TestBase 3from lldbsuite.test import lldbutil 4 5 6class TestCase(TestBase): 7 def test(self): 8 self.build() 9 lldbutil.run_to_source_breakpoint(self, "return", lldb.SBFileSpec("main.c")) 10 11 # Expect "frame #0" but not "frame #1". 12 self.expect("bt 1", inHistory=True, patterns=["frame #0", "^(?!.*frame #1)"]) 13 14 # Run an empty command to run the repeat command for `bt`. 15 # The repeat command for `bt N` lists the subsequent N frames. 16 # 17 # In this case, after printing the frame 0 with `bt 1`, the repeat 18 # command will print "frame #1" (and won't print "frame #0"). 19 self.expect("", patterns=["^(?!.*frame #0)", "frame #1"]) 20