packages/Python/lldbsuite/test/lang/c/set_values/TestSetValues.py

   1 """Test settings and readings of program variables."""
   2
   3 from __future__ import print_function
   4
   5
   6 import os
   7 import time
   8 import lldb
   9 from lldbsuite.test.decorators import *
  10 from lldbsuite.test.lldbtest import *
  11 from lldbsuite.test import lldbutil
  12
  13
  14 class SetValuesTestCase(TestBase):
  15
  16     mydir = TestBase.compute_mydir(__file__)
  17
  18     def setUp(self):
  19         # Call super's setUp().
  20         TestBase.setUp(self)
  21         # Find the line numbers to break inside main().
  22         self.line1 = line_number('main.c', '// Set break point #1.')
  23         self.line2 = line_number('main.c', '// Set break point #2.')
  24         self.line3 = line_number('main.c', '// Set break point #3.')
  25         self.line4 = line_number('main.c', '// Set break point #4.')
  26         self.line5 = line_number('main.c', '// Set break point #5.')
  27
  28     def test(self):
  29         """Test settings and readings of program variables."""
  30         self.build()
  31         exe = self.getBuildArtifact("a.out")
  32         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
  33
  34         # Set breakpoints on several places to set program variables.
  35         lldbutil.run_break_set_by_file_and_line(
  36             self, "main.c", self.line1, num_expected_locations=1, loc_exact=True)
  37
  38         lldbutil.run_break_set_by_file_and_line(
  39             self, "main.c", self.line2, num_expected_locations=1, loc_exact=True)
  40
  41         lldbutil.run_break_set_by_file_and_line(
  42             self, "main.c", self.line3, num_expected_locations=1, loc_exact=True)
  43
  44         lldbutil.run_break_set_by_file_and_line(
  45             self, "main.c", self.line4, num_expected_locations=1, loc_exact=True)
  46
  47         lldbutil.run_break_set_by_file_and_line(
  48             self, "main.c", self.line5, num_expected_locations=1, loc_exact=True)
  49
  50         self.runCmd("run", RUN_SUCCEEDED)
  51
  52         # The stop reason of the thread should be breakpoint.
  53         self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
  54                     substrs=['stopped',
  55                              'stop reason = breakpoint'])
  56
  57         # The breakpoint should have a hit count of 1.
  58         self.expect("breakpoint list -f", BREAKPOINT_HIT_ONCE,
  59                     substrs=[' resolved, hit count = 1'])
  60
  61         # main.c:15
  62         # Check that 'frame variable --show-types' displays the correct data
  63         # type and value.
  64         self.expect(
  65             "frame variable --show-types",
  66             VARIABLES_DISPLAYED_CORRECTLY,
  67             startstr="(char) i = 'a'")
  68
  69         # Now set variable 'i' and check that it is correctly displayed.
  70         self.runCmd("expression i = 'b'")
  71         self.expect(
  72             "frame variable --show-types",
  73             VARIABLES_DISPLAYED_CORRECTLY,
  74             startstr="(char) i = 'b'")
  75
  76         self.runCmd("continue")
  77
  78         # main.c:36
  79         # Check that 'frame variable --show-types' displays the correct data
  80         # type and value.
  81         self.expect(
  82             "frame variable --show-types",
  83             VARIABLES_DISPLAYED_CORRECTLY,
  84             patterns=["\((short unsigned int|unsigned short)\) i = 33"])
  85
  86         # Now set variable 'i' and check that it is correctly displayed.
  87         self.runCmd("expression i = 333")
  88         self.expect(
  89             "frame variable --show-types",
  90             VARIABLES_DISPLAYED_CORRECTLY,
  91             patterns=["\((short unsigned int|unsigned short)\) i = 333"])
  92
  93         self.runCmd("continue")
  94
  95         # main.c:57
  96         # Check that 'frame variable --show-types' displays the correct data
  97         # type and value.
  98         self.expect(
  99             "frame variable --show-types",
 100             VARIABLES_DISPLAYED_CORRECTLY,
 101             startstr="(long) i = 33")
 102
 103         # Now set variable 'i' and check that it is correctly displayed.
 104         self.runCmd("expression i = 33333")
 105         self.expect(
 106             "frame variable --show-types",
 107             VARIABLES_DISPLAYED_CORRECTLY,
 108             startstr="(long) i = 33333")
 109
 110         self.runCmd("continue")
 111
 112         # main.c:78
 113         # Check that 'frame variable --show-types' displays the correct data
 114         # type and value.
 115         self.expect(
 116             "frame variable --show-types",
 117             VARIABLES_DISPLAYED_CORRECTLY,
 118             startstr="(double) i = 2.25")
 119
 120         # Now set variable 'i' and check that it is correctly displayed.
 121         self.runCmd("expression i = 1.5")
 122         self.expect(
 123             "frame variable --show-types",
 124             VARIABLES_DISPLAYED_CORRECTLY,
 125             startstr="(double) i = 1.5")
 126
 127         self.runCmd("continue")
 128
 129         # main.c:85
 130         # Check that 'frame variable --show-types' displays the correct data
 131         # type and value.
 132         self.expect(
 133             "frame variable --show-types",
 134             VARIABLES_DISPLAYED_CORRECTLY,
 135             startstr="(long double) i = 2.25")
 136
 137         # Now set variable 'i' and check that it is correctly displayed.
 138         self.runCmd("expression i = 1.5")
 139         self.expect(
 140             "frame variable --show-types",
 141             VARIABLES_DISPLAYED_CORRECTLY,
 142             startstr="(long double) i = 1.5")