lldb/test/API/lang/c/vla/TestVLA.py

   1 import lldb
   2 from lldbsuite.test.lldbtest import *
   3 from lldbsuite.test.decorators import *
   4 import lldbsuite.test.lldbutil as lldbutil
   5
   6
   7 class TestVLA(TestBase):
   8     @skipIf(compiler="clang", compiler_version=["<", "8.0"])
   9     def test_variable_list(self):
  10         self.build()
  11         _, process, _, _ = lldbutil.run_to_source_breakpoint(
  12             self, "break here", lldb.SBFileSpec("main.c")
  13         )
  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
  34         def test(a):
  35             children = []
  36             for i in range(a):
  37                 name = "[%d]" % i
  38                 value = str(a - i)
  39                 self.expect_var_path("vla" + name, type="int", value=value)
  40                 self.expect_expr("vla" + name, result_type="int", 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)