llvm-project/lldb/test/API/tools/lldb-vscode/stackTrace/TestVSCode_stackTrace.py

162 lines
7.1 KiB
Python

"""
Test lldb-vscode setBreakpoints request
"""
import vscode
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
import lldbvscode_testcase
import os
class TestVSCode_stackTrace(lldbvscode_testcase.VSCodeTestCaseBase):
name_key_path = ['name']
source_key_path = ['source', 'path']
line_key_path = ['line']
def verify_stackFrames(self, start_idx, stackFrames):
frame_idx = start_idx
for stackFrame in stackFrames:
# Don't care about frame above main
if frame_idx > 20:
return
self.verify_stackFrame(frame_idx, stackFrame)
frame_idx += 1
def verify_stackFrame(self, frame_idx, stackFrame):
frame_name = self.get_dict_value(stackFrame, self.name_key_path)
frame_source = self.get_dict_value(stackFrame, self.source_key_path)
frame_line = self.get_dict_value(stackFrame, self.line_key_path)
if frame_idx == 0:
expected_line = self.recurse_end
expected_name = 'recurse'
elif frame_idx < 20:
expected_line = self.recurse_call
expected_name = 'recurse'
else:
expected_line = self.recurse_invocation
expected_name = 'main'
self.assertEquals(frame_name, expected_name,
'frame #%i name "%s" == "%s"' % (
frame_idx, frame_name, expected_name))
self.assertEquals(frame_source, self.source_path,
'frame #%i source "%s" == "%s"' % (
frame_idx, frame_source, self.source_path))
self.assertEquals(frame_line, expected_line,
'frame #%i line %i == %i' % (frame_idx, frame_line,
expected_line))
@skipIfWindows
@skipIfRemote
def test_stackTrace(self):
'''
Tests the 'stackTrace' packet and all its variants.
'''
program = self.getBuildArtifact("a.out")
self.build_and_launch(program)
source = 'main.c'
self.source_path = os.path.join(os.getcwd(), source)
self.recurse_end = line_number(source, 'recurse end')
self.recurse_call = line_number(source, 'recurse call')
self.recurse_invocation = line_number(source, 'recurse invocation')
lines = [self.recurse_end]
# Set breakpoint at a point of deepest recuusion
breakpoint_ids = self.set_source_breakpoints(source, lines)
self.assertEquals(len(breakpoint_ids), len(lines),
"expect correct number of breakpoints")
self.continue_to_breakpoints(breakpoint_ids)
startFrame = 0
# Verify we get all stack frames with no arguments
(stackFrames, totalFrames) = self.get_stackFrames_and_totalFramesCount()
frameCount = len(stackFrames)
self.assertTrue(frameCount >= 20,
'verify we get at least 20 frames for all frames')
self.assertEquals(totalFrames, frameCount,
'verify we get correct value for totalFrames count')
self.verify_stackFrames(startFrame, stackFrames)
# Verify all stack frames by specifying startFrame = 0 and levels not
# specified
stackFrames = self.get_stackFrames(startFrame=startFrame)
self.assertEquals(frameCount, len(stackFrames),
('verify same number of frames with startFrame=%i') % (
startFrame))
self.verify_stackFrames(startFrame, stackFrames)
# Verify all stack frames by specifying startFrame = 0 and levels = 0
levels = 0
stackFrames = self.get_stackFrames(startFrame=startFrame,
levels=levels)
self.assertEquals(frameCount, len(stackFrames),
('verify same number of frames with startFrame=%i and'
' levels=%i') % (startFrame, levels))
self.verify_stackFrames(startFrame, stackFrames)
# Get only the first stack frame by sepcifying startFrame = 0 and
# levels = 1
levels = 1
stackFrames = self.get_stackFrames(startFrame=startFrame,
levels=levels)
self.assertEquals(levels, len(stackFrames),
('verify one frame with startFrame=%i and'
' levels=%i') % (startFrame, levels))
self.verify_stackFrames(startFrame, stackFrames)
# Get only the first 3 stack frames by sepcifying startFrame = 0 and
# levels = 3
levels = 3
stackFrames = self.get_stackFrames(startFrame=startFrame,
levels=levels)
self.assertEquals(levels, len(stackFrames),
('verify %i frames with startFrame=%i and'
' levels=%i') % (levels, startFrame, levels))
self.verify_stackFrames(startFrame, stackFrames)
# Get only the first 15 stack frames by sepcifying startFrame = 5 and
# levels = 16
startFrame = 5
levels = 16
stackFrames = self.get_stackFrames(startFrame=startFrame,
levels=levels)
self.assertEquals(levels, len(stackFrames),
('verify %i frames with startFrame=%i and'
' levels=%i') % (levels, startFrame, levels))
self.verify_stackFrames(startFrame, stackFrames)
# Verify we cap things correctly when we ask for too many frames
startFrame = 5
levels = 1000
(stackFrames, totalFrames) = self.get_stackFrames_and_totalFramesCount(
startFrame=startFrame,
levels=levels)
self.assertEquals(len(stackFrames), frameCount - startFrame,
('verify less than 1000 frames with startFrame=%i and'
' levels=%i') % (startFrame, levels))
self.assertEquals(totalFrames, frameCount,
'verify we get correct value for totalFrames count '
'when requested frames not from 0 index')
self.verify_stackFrames(startFrame, stackFrames)
# Verify level=0 works with non-zerp start frame
startFrame = 5
levels = 0
stackFrames = self.get_stackFrames(startFrame=startFrame,
levels=levels)
self.assertEquals(len(stackFrames), frameCount - startFrame,
('verify less than 1000 frames with startFrame=%i and'
' levels=%i') % (startFrame, levels))
self.verify_stackFrames(startFrame, stackFrames)
# Verify we get not frames when startFrame is too high
startFrame = 1000
levels = 1
stackFrames = self.get_stackFrames(startFrame=startFrame,
levels=levels)
self.assertEquals(0, len(stackFrames),
'verify zero frames with startFrame out of bounds')