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Differential D112222 Diff 381357 lldb/test/API/functionalities/data-formatter/data-formatter-stl/libcxx/string_view/TestDataFormatterLibcxxStringView.py

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lldb/test/API/functionalities/data-formatter/data-formatter-stl/libcxx/string_view/TestDataFormatterLibcxxStringView.py

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# coding=utf8
"""
Test lldb data formatter subsystem.
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class LibcxxStringViewDataFormatterTestCase(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', '// Set break point at this line.')
self.namespace = 'std'
@add_test_categories(["libc++"])
@expectedFailureAll(bugnumber="llvm.org/pr36109", debug_info="gmodules", triple=".*-android")
# Inline namespace is randomly ignored as Clang due to broken lookup inside
# the std namespace.
@expectedFailureAll(debug_info="gmodules")
def test_with_run_command(self):
"""Test that that file and class static variables display correctly."""
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)
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)
self.runCmd(
"settings set target.max-children-count 256",
check=False)
is_64_bit = self.process().GetAddressByteSize() == 8
# Execute the cleanup function during test case tear down.
self.addTearDownHook(cleanup)
self.expect_var_path( 'wempty',
type = 'std::wstring_view',
summary = 'L""')
jinghamUnsubmitted
Done
ReplyInline Actions

We have lldbtest.expect_var_path for doing this sort of test. It makes these tests easier to read and less likely to be fooled by accidental matches.

jingham: We have lldbtest.expect_var_path for doing this sort of test. It makes these tests easier to…
puremourningAuthorUnsubmitted
Done
ReplyInline Actions

Done. There's s slight difference in this API - the null pointer summary returns "" via this api rather than the output which returns "nullptr", so I've inlaced both in the test.

puremourning: Done. There's s slight difference in this API - the null pointer summary returns "" via this…
self.expect_var_path( 's',
type = 'std::wstring_view',
summary = 'L"hello world! מזל טוב!"')
self.expect_var_path( 'S',
type = 'std::wstring_view',
summary = 'L"!!!!"')
self.expect_var_path( 'empty',
type = 'std::string_view',
summary = '""')
self.expect_var_path( 'q_source',
type = 'std::string',
summary = '"hello world"')
self.expect_var_path( 'q',
type = 'std::string_view',
summary = '"hello world"')
self.expect_var_path( 'Q',
type = 'std::string_view',
summary = '"quite a long std::strin with lots of info inside it"')
self.expect_var_path( 'IHaveEmbeddedZeros',
type = 'std::string_view',
summary = '"a\\0b\\0c\\0d"')
self.expect_var_path( 'IHaveEmbeddedZerosToo',
type = 'std::wstring_view',
summary = 'L"hello world!\\0てざ ル゜䋨ミ㠧槊 きゅへ狦穤襩 じゃ馩リョ 䤦監"')
self.expect_var_path( 'u16_string',
type = 'std::u16string_view',
summary = 'u"ß水氶"')
self.expect_var_path( 'u16_empty',
type = 'std::u16string_view',
summary = '""')
self.expect_var_path( 'u32_string',
type = 'std::u32string_view',
summary = 'U"🍄🍅🍆🍌"')
self.expect_var_path( 'u32_empty',
type = 'std::u32string_view',
summary = '""')
self.expect_var_path( 'uchar_source',
type = 'std::basic_string<unsigned char, std::char_traits<unsigned char>, std::allocator<unsigned char> >',
summary = '"aaaaaaaaaa"' )
self.expect_var_path( 'uchar',
type = 'std::basic_string_view<unsigned char, std::char_traits<unsigned char> >',
summary = '"aaaaa"' )
# NOTE: API GetSummary returns '::', but frame variable displays
# 'nullptr' but frame variable returns "nullptr"
self.expect_var_path( 'null_str',
type = 'std::string_view *',
summary = '""' )
self.expect( "frame variable", substrs = [
'(std::string_view *) null_str = nullptr'
] )
self.runCmd("n")
TheVeryLongOne = self.frame().FindVariable("TheVeryLongOne")
summaryOptions = lldb.SBTypeSummaryOptions()
summaryOptions.SetCapping(lldb.eTypeSummaryUncapped)
uncappedSummaryStream = lldb.SBStream()
TheVeryLongOne.GetSummary(uncappedSummaryStream, summaryOptions)
uncappedSummary = uncappedSummaryStream.GetData()
self.assertTrue(uncappedSummary.find("someText") > 0,
"uncappedSummary does not include the full string")
summaryOptions.SetCapping(lldb.eTypeSummaryCapped)
cappedSummaryStream = lldb.SBStream()
TheVeryLongOne.GetSummary(cappedSummaryStream, summaryOptions)
cappedSummary = cappedSummaryStream.GetData()
self.assertTrue(
cappedSummary.find("someText") <= 0,
"cappedSummary includes the full string")
self.expect_expr("s", result_type="std::wstring_view", result_summary='L"hello world! מזל טוב!"')
self.expect_var_path( 'wempty',
type = 'std::wstring_view',
summary = 'L""')
self.expect_var_path( 's',
type = 'std::wstring_view',
summary = 'L"hello world! מזל טוב!"')
self.expect_var_path( 'S',
type = 'std::wstring_view',
summary = 'L"!!!!"')
self.expect_var_path( 'empty',
type = 'std::string_view',
summary = '""')
self.expect_var_path( 'q_source',
type = 'std::string',
summary = '"Hello world"')
self.expect_var_path( 'q',
type = 'std::string_view',
summary = '"Hello world"')
self.expect_var_path( 'Q',
type = 'std::string_view',
summary = '"quite a long std::strin with lots of info inside it"')
self.expect_var_path( 'IHaveEmbeddedZeros',
type = 'std::string_view',
summary = '"a\\0b\\0c\\0d"')
self.expect_var_path( 'IHaveEmbeddedZerosToo',
type = 'std::wstring_view',
summary = 'L"hello world!\\0てざ ル゜䋨ミ㠧槊 きゅへ狦穤襩 じゃ馩リョ 䤦監"')
self.expect_var_path( 'u16_string',
type = 'std::u16string_view',
summary = 'u"ß水氶"')
self.expect_var_path( 'u16_empty',
type = 'std::u16string_view',
summary = '""')
self.expect_var_path( 'u32_string',
type = 'std::u32string_view',
summary = 'U"🍄🍅🍆🍌"')
self.expect_var_path( 'u32_empty',
type = 'std::u32string_view',
summary = '""')
self.expect_var_path( 'uchar_source',
type = 'std::basic_string<unsigned char, std::char_traits<unsigned char>, std::allocator<unsigned char> >',
summary = '"aaaaaaaaaa"' )
self.expect_var_path( 'uchar',
type = 'std::basic_string_view<unsigned char, std::char_traits<unsigned char> >',
summary = '"aaaaa"' )