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authorDimitry Andric <dim@FreeBSD.org>2019-08-20 18:01:57 +0000
committerDimitry Andric <dim@FreeBSD.org>2019-08-20 18:01:57 +0000
commit88c643b6fec27eec436c8d138fee6346e92337d6 (patch)
tree82cd13b2f3cde1c9e5f79689ba4e6ba67694843f /packages/Python/lldbsuite/test/functionalities/conditional_break/TestConditionalBreak.py
parent94994d372d014ce4c8758b9605d63fae651bd8aa (diff)
Notes
Diffstat (limited to 'packages/Python/lldbsuite/test/functionalities/conditional_break/TestConditionalBreak.py')
-rw-r--r--packages/Python/lldbsuite/test/functionalities/conditional_break/TestConditionalBreak.py141
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diff --git a/packages/Python/lldbsuite/test/functionalities/conditional_break/TestConditionalBreak.py b/packages/Python/lldbsuite/test/functionalities/conditional_break/TestConditionalBreak.py
deleted file mode 100644
index 7b123950c23d..000000000000
--- a/packages/Python/lldbsuite/test/functionalities/conditional_break/TestConditionalBreak.py
+++ /dev/null
@@ -1,141 +0,0 @@
-"""
-Test conditionally break on a function and inspect its variables.
-"""
-
-from __future__ import print_function
-
-
-import os
-import time
-import re
-import lldb
-from lldbsuite.test.decorators import *
-from lldbsuite.test.lldbtest import *
-from lldbsuite.test import lldbutil
-
-# rdar://problem/8532131
-# lldb not able to digest the clang-generated debug info correctly with respect to function name
-#
-# This class currently fails for clang as well as llvm-gcc.
-
-
-class ConditionalBreakTestCase(TestBase):
-
- mydir = TestBase.compute_mydir(__file__)
-
- @add_test_categories(['pyapi'])
- def test_with_python(self):
- """Exercise some thread and frame APIs to break if c() is called by a()."""
- self.build()
- self.do_conditional_break()
-
- def test_with_command(self):
- """Simulate a user using lldb commands to break on c() if called from a()."""
- self.build()
- self.simulate_conditional_break_by_user()
-
- def do_conditional_break(self):
- """Exercise some thread and frame APIs to break if c() is called by a()."""
- exe = self.getBuildArtifact("a.out")
-
- target = self.dbg.CreateTarget(exe)
- self.assertTrue(target, VALID_TARGET)
-
- breakpoint = target.BreakpointCreateByName("c", exe)
- self.assertTrue(breakpoint, VALID_BREAKPOINT)
-
- # Now launch the process, and do not stop at entry point.
- process = target.LaunchSimple(
- None, None, self.get_process_working_directory())
-
- self.assertTrue(process, PROCESS_IS_VALID)
-
- # The stop reason of the thread should be breakpoint.
- self.assertTrue(process.GetState() == lldb.eStateStopped,
- STOPPED_DUE_TO_BREAKPOINT)
-
- # Find the line number where a's parent frame function is c.
- line = line_number(
- 'main.c',
- "// Find the line number where c's parent frame is a here.")
-
- # Suppose we are only interested in the call scenario where c()'s
- # immediate caller is a() and we want to find out the value passed from
- # a().
- #
- # The 10 in range(10) is just an arbitrary number, which means we would
- # like to try for at most 10 times.
- for j in range(10):
- if self.TraceOn():
- print("j is: ", j)
- thread = lldbutil.get_one_thread_stopped_at_breakpoint(
- process, breakpoint)
- self.assertIsNotNone(
- thread, "Expected one thread to be stopped at the breakpoint")
-
- if thread.GetNumFrames() >= 2:
- frame0 = thread.GetFrameAtIndex(0)
- name0 = frame0.GetFunction().GetName()
- frame1 = thread.GetFrameAtIndex(1)
- name1 = frame1.GetFunction().GetName()
- # lldbutil.print_stacktrace(thread)
- self.assertTrue(name0 == "c", "Break on function c()")
- if (name1 == "a"):
- # By design, we know that a() calls c() only from main.c:27.
- # In reality, similar logic can be used to find out the call
- # site.
- self.assertTrue(frame1.GetLineEntry().GetLine() == line,
- "Immediate caller a() at main.c:%d" % line)
-
- # And the local variable 'val' should have a value of (int)
- # 3.
- val = frame1.FindVariable("val")
- self.assertEqual("int", val.GetTypeName())
- self.assertEqual("3", val.GetValue())
- break
-
- process.Continue()
-
- def simulate_conditional_break_by_user(self):
- """Simulate a user using lldb commands to break on c() if called from a()."""
-
- # Sourcing .lldb in the current working directory, which sets the main
- # executable, sets the breakpoint on c(), and adds the callback for the
- # breakpoint such that lldb only stops when the caller of c() is a().
- # the "my" package that defines the date() function.
- if self.TraceOn():
- print("About to source .lldb")
-
- if not self.TraceOn():
- self.HideStdout()
-
- # Separate out the "file " + self.getBuildArtifact("a.out") command from .lldb file, for the sake of
- # remote testsuite.
- self.runCmd("file " + self.getBuildArtifact("a.out"))
- self.runCmd("command source .lldb")
-
- self.runCmd("break list")
-
- if self.TraceOn():
- print("About to run.")
- self.runCmd("run", RUN_SUCCEEDED)
-
- self.runCmd("break list")
-
- if self.TraceOn():
- print("Done running")
-
- # The stop reason of the thread should be breakpoint.
- self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
- substrs=['stopped', 'stop reason = breakpoint'])
-
- # The frame info for frame #0 points to a.out`c and its immediate caller
- # (frame #1) points to a.out`a.
-
- self.expect("frame info", "We should stop at c()",
- substrs=["a.out`c"])
-
- # Select our parent frame as the current frame.
- self.runCmd("frame select 1")
- self.expect("frame info", "The immediate caller should be a()",
- substrs=["a.out`a"])