diff options
Diffstat (limited to 'packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-synthval')
4 files changed, 166 insertions, 0 deletions
diff --git a/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-synthval/Makefile b/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-synthval/Makefile new file mode 100644 index 0000000..314f1cb --- /dev/null +++ b/packages/Python/lldbsuite/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/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 0000000..8d6e5df --- /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) diff --git a/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-synthval/main.cpp b/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-synthval/main.cpp new file mode 100644 index 0000000..accbf0a --- /dev/null +++ b/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-synthval/main.cpp @@ -0,0 +1,29 @@ +class myInt { + private: int theValue; + public: myInt() : theValue(0) {} + public: myInt(int _x) : theValue(_x) {} + int val() { return theValue; } +}; + +class myArray { +public: + int array[16]; +}; + +class hasAnInt { + public: + myInt theInt; + hasAnInt() : theInt(42) {} +}; + +myInt operator + (myInt x, myInt y) { return myInt(x.val() + y.val()); } + +int main() { + myInt x{3}; + myInt y{4}; + myInt z {x+y}; + hasAnInt hi; + myArray ma; + + return z.val(); // break here +} diff --git a/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-synthval/myIntSynthProvider.py b/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-synthval/myIntSynthProvider.py new file mode 100644 index 0000000..c8517a4 --- /dev/null +++ b/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-synthval/myIntSynthProvider.py @@ -0,0 +1,36 @@ +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 has_children(self): + return False + def get_value(self): + return self.val + + +class myArraySynthProvider(object): + def __init__(self, valobj, dict): + self.valobj = valobj + self.array = self.valobj.GetChildMemberWithName("array") + + def num_children(self, max_count): + if 16 < max_count: + return 16 + return max_count + + def get_child_at_index(self, index): + return None # Keep it simple when this is not tested here. + + def get_child_index(self, name): + return None # Keep it simple when this is not tested here. + + def has_children(self): + return True |
