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Diffstat (limited to 'lldb/test/functionalities/data-formatter/data-formatter-synthval')
4 files changed, 132 insertions, 0 deletions
diff --git a/lldb/test/functionalities/data-formatter/data-formatter-synthval/Makefile b/lldb/test/functionalities/data-formatter/data-formatter-synthval/Makefile new file mode 100644 index 00000000000..314f1cb2f07 --- /dev/null +++ b/lldb/test/functionalities/data-formatter/data-formatter-synthval/Makefile @@ -0,0 +1,5 @@ +LEVEL = ../../../make + +CXX_SOURCES := main.cpp + +include $(LEVEL)/Makefile.rules diff --git a/lldb/test/functionalities/data-formatter/data-formatter-synthval/TestDataFormatterSynthVal.py b/lldb/test/functionalities/data-formatter/data-formatter-synthval/TestDataFormatterSynthVal.py new file mode 100644 index 00000000000..c5ff06b04b4 --- /dev/null +++ b/lldb/test/functionalities/data-formatter/data-formatter-synthval/TestDataFormatterSynthVal.py @@ -0,0 +1,95 @@ +""" +Test lldb data formatter subsystem. +""" + +import os, time +import unittest2 +import lldb +from lldbtest import * +import lldbutil + +class DataFormatterSynthValueTestCase(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin") + @dsym_test + def test_with_dsym_and_run_command(self): + """Test using Python synthetic children provider to provide a value.""" + self.buildDsym() + self.data_formatter_commands() + + @skipIfFreeBSD # llvm.org/pr20545 bogus output confuses buildbot parser + @dwarf_test + def test_with_dwarf_and_run_command(self): + """Test using Python synthetic children provider to provide a value.""" + self.buildDwarf() + self.data_formatter_commands() + + 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') + + def data_formatter_commands(self): + """Test using Python synthetic children provider to provide a value.""" + 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") + + 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) + +if __name__ == '__main__': + import atexit + lldb.SBDebugger.Initialize() + atexit.register(lambda: lldb.SBDebugger.Terminate()) + unittest2.main() diff --git a/lldb/test/functionalities/data-formatter/data-formatter-synthval/main.cpp b/lldb/test/functionalities/data-formatter/data-formatter-synthval/main.cpp new file mode 100644 index 00000000000..fef128c1eb1 --- /dev/null +++ b/lldb/test/functionalities/data-formatter/data-formatter-synthval/main.cpp @@ -0,0 +1,15 @@ +class myInt { + private: int theValue; + public: myInt() : theValue(0) {} + public: myInt(int _x) : theValue(_x) {} + int val() { return theValue; } +}; + +myInt operator + (myInt x, myInt y) { return myInt(x.val() + y.val()); } + +int main() { + myInt x{3}; + myInt y{4}; + myInt z {x+y}; + return z.val(); // break here +} diff --git a/lldb/test/functionalities/data-formatter/data-formatter-synthval/myIntSynthProvider.py b/lldb/test/functionalities/data-formatter/data-formatter-synthval/myIntSynthProvider.py new file mode 100644 index 00000000000..d37cb0ecc5f --- /dev/null +++ b/lldb/test/functionalities/data-formatter/data-formatter-synthval/myIntSynthProvider.py @@ -0,0 +1,17 @@ +class myIntSynthProvider(object): + def __init__(self, valobj, dict): + self.valobj = valobj; + self.val = self.valobj.GetChildMemberWithName("theValue") + def num_children(self): + return 0; + def get_child_at_index(self, index): + return None + def get_child_index(self, name): + return None + def update(self): + return False + def might_have_children(self): + return False + def get_value(self): + return self.val + |