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"""Test settings and readings of program variables."""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class SetValuesTestCase(TestBase):
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line numbers to break inside main().
self.line1 = line_number("main.c", "// Set break point #1.")
self.line2 = line_number("main.c", "// Set break point #2.")
self.line3 = line_number("main.c", "// Set break point #3.")
self.line4 = line_number("main.c", "// Set break point #4.")
self.line5 = line_number("main.c", "// Set break point #5.")
def test(self):
"""Test settings and readings of program variables."""
self.build()
exe = self.getBuildArtifact("a.out")
self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
# Set breakpoints on several places to set program variables.
lldbutil.run_break_set_by_file_and_line(
self, "main.c", self.line1, num_expected_locations=1, loc_exact=True
)
lldbutil.run_break_set_by_file_and_line(
self, "main.c", self.line2, num_expected_locations=1, loc_exact=True
)
lldbutil.run_break_set_by_file_and_line(
self, "main.c", self.line3, num_expected_locations=1, loc_exact=True
)
lldbutil.run_break_set_by_file_and_line(
self, "main.c", self.line4, num_expected_locations=1, loc_exact=True
)
lldbutil.run_break_set_by_file_and_line(
self, "main.c", self.line5, num_expected_locations=1, loc_exact=True
)
self.runCmd("run", RUN_SUCCEEDED)
# The stop reason of the thread should be breakpoint.
self.expect(
"thread list",
STOPPED_DUE_TO_BREAKPOINT,
substrs=["stopped", "stop reason = breakpoint"],
)
# The breakpoint should have a hit count of 1.
lldbutil.check_breakpoint(self, bpno=1, expected_hit_count=1)
# main.c:15
# Check that 'frame variable --show-types' displays the correct data
# type and value.
self.expect(
"frame variable --show-types",
VARIABLES_DISPLAYED_CORRECTLY,
startstr="(char) i = 'a'",
)
# Now set variable 'i' and check that it is correctly displayed.
self.runCmd("expression i = 'b'")
self.expect(
"frame variable --show-types",
VARIABLES_DISPLAYED_CORRECTLY,
startstr="(char) i = 'b'",
)
self.runCmd("continue")
# main.c:36
# Check that 'frame variable --show-types' displays the correct data
# type and value.
self.expect(
"frame variable --show-types",
VARIABLES_DISPLAYED_CORRECTLY,
patterns=["\((short unsigned int|unsigned short)\) i = 33"],
)
# Now set variable 'i' and check that it is correctly displayed.
self.runCmd("expression i = 333")
self.expect(
"frame variable --show-types",
VARIABLES_DISPLAYED_CORRECTLY,
patterns=["\((short unsigned int|unsigned short)\) i = 333"],
)
self.runCmd("continue")
# main.c:57
# Check that 'frame variable --show-types' displays the correct data
# type and value.
self.expect(
"frame variable --show-types",
VARIABLES_DISPLAYED_CORRECTLY,
startstr="(long) i = 33",
)
# Now set variable 'i' and check that it is correctly displayed.
self.runCmd("expression i = 33333")
self.expect(
"frame variable --show-types",
VARIABLES_DISPLAYED_CORRECTLY,
startstr="(long) i = 33333",
)
self.runCmd("continue")
# main.c:78
# Check that 'frame variable --show-types' displays the correct data
# type and value.
self.expect(
"frame variable --show-types",
VARIABLES_DISPLAYED_CORRECTLY,
startstr="(double) i = 2.25",
)
# Now set variable 'i' and check that it is correctly displayed.
self.runCmd("expression i = 1.5")
self.expect(
"frame variable --show-types",
VARIABLES_DISPLAYED_CORRECTLY,
startstr="(double) i = 1.5",
)
self.runCmd("continue")
# main.c:85
# Check that 'frame variable --show-types' displays the correct data
# type and value.
self.expect(
"frame variable --show-types",
VARIABLES_DISPLAYED_CORRECTLY,
startstr="(long double) i = 2.25",
)
# Now set variable 'i' and check that it is correctly displayed.
self.runCmd("expression i = 1.5")
self.expect(
"frame variable --show-types",
VARIABLES_DISPLAYED_CORRECTLY,
startstr="(long double) i = 1.5",
)
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