49 lines
1.6 KiB
Python
49 lines
1.6 KiB
Python
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"""
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Tests that rvalue references are supported in C++
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"""
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import lldb
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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class RvalueReferencesTestCase(TestBase):
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# rdar://problem/11479676
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@expectedFailureAll(
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compiler="icc",
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bugnumber="ICC (13.1, 14-beta) do not emit DW_TAG_rvalue_reference_type.",
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)
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def test_with_run_command(self):
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"""Test that rvalues are supported in the C++ expression parser"""
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self.build()
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self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
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self.set_breakpoint(line_number("main.cpp", "// breakpoint 1"))
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self.set_breakpoint(line_number("main.cpp", "// breakpoint 2"))
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self.runCmd("process launch", RUN_SUCCEEDED)
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# Note that clang as of r187480 doesn't emit DW_TAG_const_type, unlike gcc 4.8.1
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# With gcc 4.8.1, lldb reports the type as (int &&const)
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self.expect(
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"frame variable i", startstr="(int &&", substrs=["i = 0x", "&i = 3"]
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)
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self.expect("expression -- i", startstr="(int) ", substrs=["3"])
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self.expect("breakpoint delete 1")
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self.runCmd("process continue")
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self.expect("expression -- foo(2)")
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self.expect("expression -- int &&j = 3; foo(j)", error=True)
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self.expect("expression -- int &&k = 6; k", startstr="(int) $1 = 6")
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def set_breakpoint(self, line):
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lldbutil.run_break_set_by_file_and_line(
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self, "main.cpp", line, num_expected_locations=1, loc_exact=True
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)
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