derek.holloway
7502bf64a4
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46 lines
1.6 KiB
Python
46 lines
1.6 KiB
Python
"""
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Tests that C strings work as expected in expressions
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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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@skipIfWasm # no expression evaluation
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class CStringsTestCase(TestBase):
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def test_with_run_command(self):
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"""Tests that C strings work as expected in expressions"""
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self.build()
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self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
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line = line_number("main.c", "// breakpoint 1")
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lldbutil.run_break_set_by_file_and_line(
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self, "main.c", line, num_expected_locations=1, loc_exact=True
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)
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self.runCmd("process launch", RUN_SUCCEEDED)
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self.expect("expression -- a[2]", patterns=[r"\((const )?char\) \$0 = 'c'"])
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self.expect("expression -- z[2]", startstr="(const char) $1 = 'x'")
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# On Linux, the expression below will test GNU indirect function calls.
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self.expect('expression -- (int)strlen("hello")', startstr="(int) $2 = 5")
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self.expect('expression -- "world"[2]', startstr="(const char) $3 = 'r'")
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self.expect('expression -- ""[0]', startstr="(const char) $4 = '\\0'")
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self.expect('expr --raw -- "hello"', substrs=["[0] = 'h'", "[5] = '\\0'"])
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self.expect('expression "hello"', substrs=["[6]) $", "hello"])
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self.expect(
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'expression (char*)"hello"', substrs=["(char *) $", " = 0x", "hello"]
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)
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self.expect('expression (int)strlen("")', substrs=["(int) $", " = 0"])
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self.expect("expression !z", substrs=["false"])
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