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"""
Test top-level expressions.
"""
from __future__ import print_function
import unittest2
import os
import time
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TopLevelExpressionsTestCase(TestBase):
mydir = TestBase.compute_mydir(__file__)
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line number to break for main.c.
self.line = line_number('main.cpp',
'// Set breakpoint here')
self.dummy_line = line_number('dummy.cpp',
'// Set breakpoint here')
# Disable confirmation prompt to avoid infinite wait
self.runCmd("settings set auto-confirm true")
self.addTearDownHook(
lambda: self.runCmd("settings clear auto-confirm"))
def build_and_run(self):
"""Test top-level expressions."""
self.build()
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", self.line, num_expected_locations=1, loc_exact=False)
self.runCmd("run", RUN_SUCCEEDED)
def run_dummy(self):
self.runCmd("file " + self.getBuildArtifact("dummy"),
CURRENT_EXECUTABLE_SET)
lldbutil.run_break_set_by_file_and_line(
self,
"dummy.cpp",
self.dummy_line,
num_expected_locations=1,
loc_exact=False)
self.runCmd("run", RUN_SUCCEEDED)
@add_test_categories(['pyapi'])
@skipIf(debug_info="gmodules") # not relevant
@skipIf(oslist=["windows"]) # Error in record layout on Windows
def test_top_level_expressions(self):
self.build_and_run()
resultFromCode = self.frame().EvaluateExpression("doTest()").GetValueAsUnsigned()
self.runCmd("kill")
self.run_dummy()
codeFile = open('test.cpp', 'r')
expressions = []
current_expression = ""
for line in codeFile:
if line.startswith("// --"):
expressions.append(current_expression)
current_expression = ""
else:
current_expression += line
options = lldb.SBExpressionOptions()
options.SetLanguage(lldb.eLanguageTypeC_plus_plus)
options.SetTopLevel(True)
for expression in expressions:
self.frame().EvaluateExpression(expression, options)
resultFromTopLevel = self.frame().EvaluateExpression("doTest()")
self.assertTrue(resultFromTopLevel.IsValid())
self.assertEqual(
resultFromCode,
resultFromTopLevel.GetValueAsUnsigned())
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