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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

50 lines
1.6 KiB
Python

"""
Tests that rvalue references are supported in C++
"""
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
@skipIfWasm # no expression evaluation
class RvalueReferencesTestCase(TestBase):
# rdar://problem/11479676
@expectedFailureAll(
compiler="icc",
bugnumber="ICC (13.1, 14-beta) do not emit DW_TAG_rvalue_reference_type.",
)
def test_with_run_command(self):
"""Test that rvalues are supported in the C++ expression parser"""
self.build()
self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
self.set_breakpoint(line_number("main.cpp", "// breakpoint 1"))
self.set_breakpoint(line_number("main.cpp", "// breakpoint 2"))
self.runCmd("process launch", RUN_SUCCEEDED)
# Note that clang as of r187480 doesn't emit DW_TAG_const_type, unlike gcc 4.8.1
# With gcc 4.8.1, lldb reports the type as (int &&const)
self.expect(
"frame variable i", startstr="(int &&", substrs=["i = 0x", "&i = 3"]
)
self.expect("expression -- i", startstr="(int) ", substrs=["3"])
self.expect("breakpoint delete 1")
self.runCmd("process continue")
self.expect("expression -- foo(2)")
self.expect("expression -- int &&j = 3; foo(j)", error=True)
self.expect("expression -- int &&k = 6; k", startstr="(int) $1 = 6")
def set_breakpoint(self, line):
lldbutil.run_break_set_by_file_and_line(
self, "main.cpp", line, num_expected_locations=1, loc_exact=True
)