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Diffstat (limited to 'packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-synthval/TestDataFormatterSynthVal.py')
-rw-r--r-- | packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-synthval/TestDataFormatterSynthVal.py | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-synthval/TestDataFormatterSynthVal.py b/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-synthval/TestDataFormatterSynthVal.py new file mode 100644 index 000000000000..8d6e5df37a5c --- /dev/null +++ b/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-synthval/TestDataFormatterSynthVal.py @@ -0,0 +1,96 @@ +""" +Test lldb data formatter subsystem. +""" + +from __future__ import print_function + + + +import os, time +import lldb +from lldbsuite.test.lldbtest import * +import lldbsuite.test.lldbutil as lldbutil + +class DataFormatterSynthValueTestCase(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + def setUp(self): + # Call super's setUp(). + TestBase.setUp(self) + # Find the line number to break at. + self.line = line_number('main.cpp', 'break here') + + @skipIfFreeBSD # llvm.org/pr20545 bogus output confuses buildbot parser + @expectedFailureWindows("llvm.org/pr24462") # Data formatters have problems on Windows + def test_with_run_command(self): + """Test using Python synthetic children provider to provide a value.""" + self.build() + self.runCmd("file a.out", CURRENT_EXECUTABLE_SET) + + lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, 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']) + + # This is the function to remove the custom formats in order to have a + # clean slate for the next test case. + def cleanup(): + self.runCmd('type format clear', check=False) + self.runCmd('type summary clear', check=False) + self.runCmd('type filter clear', check=False) + self.runCmd('type synth clear', check=False) + + # Execute the cleanup function during test case tear down. + self.addTearDownHook(cleanup) + + x = self.frame().FindVariable("x") + x.SetPreferSyntheticValue(True) + y = self.frame().FindVariable("y") + y.SetPreferSyntheticValue(True) + z = self.frame().FindVariable("z") + z.SetPreferSyntheticValue(True) + + x_val = x.GetValueAsUnsigned + y_val = y.GetValueAsUnsigned + z_val = z.GetValueAsUnsigned + + if self.TraceOn(): + print("x_val = %s; y_val = %s; z_val = %s" % (x_val(),y_val(),z_val())) + + self.assertFalse(x_val() == 3, "x == 3 before synthetics") + self.assertFalse(y_val() == 4, "y == 4 before synthetics") + self.assertFalse(z_val() == 7, "z == 7 before synthetics") + + # now set up the synth + self.runCmd("script from myIntSynthProvider import *") + self.runCmd("type synth add -l myIntSynthProvider myInt") + self.runCmd("type synth add -l myArraySynthProvider myArray") + + if self.TraceOn(): + print("x_val = %s; y_val = %s; z_val = %s" % (x_val(),y_val(),z_val())) + + self.assertTrue(x_val() == 3, "x != 3 after synthetics") + self.assertTrue(y_val() == 4, "y != 4 after synthetics") + self.assertTrue(z_val() == 7, "z != 7 after synthetics") + + self.expect("frame variable x", substrs=['3']) + self.expect("frame variable x", substrs=['theValue = 3'], matching=False) + + # check that an aptly defined synthetic provider does not affect one-lining + self.expect("expression struct S { myInt theInt{12}; }; S()", substrs = ['(theInt = 12)']) + + # check that we can use a synthetic value in a summary + self.runCmd("type summary add hasAnInt -s ${var.theInt}") + hi = self.frame().FindVariable("hi") + self.assertEqual(hi.GetSummary(), "42") + + ma = self.frame().FindVariable("ma") + self.assertTrue(ma.IsValid()) + self.assertEqual(ma.GetNumChildren(15), 15) + self.assertEqual(ma.GetNumChildren(16), 16) + self.assertEqual(ma.GetNumChildren(17), 16) |