• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1"""
2Test lldb-vscode setBreakpoints request
3"""
4
5
6import unittest2
7import vscode
8from lldbsuite.test.decorators import *
9from lldbsuite.test.lldbtest import *
10from lldbsuite.test import lldbutil
11import lldbvscode_testcase
12
13
14class TestVSCode_step(lldbvscode_testcase.VSCodeTestCaseBase):
15
16    mydir = TestBase.compute_mydir(__file__)
17
18    @skipIfWindows
19    @skipIfRemote
20    def test_step(self):
21        '''
22            Tests the stepping in/out/over in threads.
23        '''
24        program = self.getBuildArtifact("a.out")
25        self.build_and_launch(program)
26        source = 'main.cpp'
27        # source_path = os.path.join(os.getcwd(), source)
28        breakpoint1_line = line_number(source, '// breakpoint 1')
29        lines = [breakpoint1_line]
30        # Set breakpoint in the thread function so we can step the threads
31        breakpoint_ids = self.set_source_breakpoints(source, lines)
32        self.assertEqual(len(breakpoint_ids), len(lines),
33                        "expect correct number of breakpoints")
34        self.continue_to_breakpoints(breakpoint_ids)
35        threads = self.vscode.get_threads()
36        for thread in threads:
37            if 'reason' in thread:
38                reason = thread['reason']
39                if reason == 'breakpoint':
40                    # We have a thread that is stopped at our breakpoint.
41                    # Get the value of "x" and get the source file and line.
42                    # These will help us determine if we are stepping
43                    # correctly. If we step a thread correctly we will verify
44                    # the correct falue for x as it progresses through the
45                    # program.
46                    tid = thread['id']
47                    x1 = self.get_local_as_int('x', threadId=tid)
48                    (src1, line1) = self.get_source_and_line(threadId=tid)
49
50                    # Now step into the "recurse()" function call again and
51                    # verify, using the new value of "x" and the source file
52                    # and line if we stepped correctly
53                    self.stepIn(threadId=tid, waitForStop=True)
54                    x2 = self.get_local_as_int('x', threadId=tid)
55                    (src2, line2) = self.get_source_and_line(threadId=tid)
56                    self.assertEqual(x1, x2 + 1, 'verify step in variable')
57                    self.assertLess(line2, line1, 'verify step in line')
58                    self.assertEqual(src1, src2, 'verify step in source')
59
60                    # Now step out and verify
61                    self.stepOut(threadId=tid, waitForStop=True)
62                    x3 = self.get_local_as_int('x', threadId=tid)
63                    (src3, line3) = self.get_source_and_line(threadId=tid)
64                    self.assertEqual(x1, x3, 'verify step out variable')
65                    self.assertGreaterEqual(line3, line1, 'verify step out line')
66                    self.assertEqual(src1, src3, 'verify step in source')
67
68                    # Step over and verify
69                    self.stepOver(threadId=tid, waitForStop=True)
70                    x4 = self.get_local_as_int('x', threadId=tid)
71                    (src4, line4) = self.get_source_and_line(threadId=tid)
72                    self.assertEqual(x4, x3, 'verify step over variable')
73                    self.assertGreater(line4, line3, 'verify step over line')
74                    self.assertEqual(src1, src4, 'verify step over source')
75                    # only step one thread that is at the breakpoint and stop
76                    break
77