1import lldb
2from lldbsuite.test.lldbtest import *
3from lldbsuite.test.decorators import *
4import lldbsuite.test.lldbutil as lldbutil
5
6
7class TestVLA(TestBase):
8
9    @skipIf(compiler="clang", compiler_version=['<', '8.0'])
10    def test_variable_list(self):
11        self.build()
12        _, process, _, _ = lldbutil.run_to_source_breakpoint(
13            self, "break here", lldb.SBFileSpec('main.c'))
14
15        # Make sure no helper expressions show up in frame variable.
16        var_opts = lldb.SBVariablesOptions()
17        var_opts.SetIncludeArguments(False)
18        var_opts.SetIncludeLocals(True)
19        var_opts.SetInScopeOnly(True)
20        var_opts.SetIncludeStatics(False)
21        var_opts.SetIncludeRuntimeSupportValues(False)
22        var_opts.SetUseDynamic(lldb.eDynamicCanRunTarget)
23        all_locals = self.frame().GetVariables(var_opts)
24        for value in all_locals:
25            self.assertNotIn("vla_expr", value.name)
26
27    @decorators.skipIf(compiler="clang", compiler_version=['<', '8.0'])
28    def test_vla(self):
29        self.build()
30        _, process, _, _ = lldbutil.run_to_source_breakpoint(
31            self, "break here", lldb.SBFileSpec('main.c'))
32
33        def test(a):
34            children = []
35            for i in range(a):
36                name = "[%d]"%i
37                value = str(a-i)
38                self.expect_var_path("vla"+name, type="int", value=value)
39                self.expect_expr("vla"+name, result_type="int",
40                        result_value=value)
41                children.append(ValueCheck(name=name, value=value))
42            self.expect_var_path("vla", type="int[]", children=children)
43            self.expect("expr vla", error=True, substrs=["incomplete"])
44
45        test(2)
46        process.Continue()
47        test(4)
48
49