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Diffstat (limited to 'lldb/packages/Python/lldbsuite/test/commands/expression/completion/TestExprCompletion.py')
| -rw-r--r-- | lldb/packages/Python/lldbsuite/test/commands/expression/completion/TestExprCompletion.py | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/commands/expression/completion/TestExprCompletion.py b/lldb/packages/Python/lldbsuite/test/commands/expression/completion/TestExprCompletion.py new file mode 100644 index 00000000000..33a423c806b --- /dev/null +++ b/lldb/packages/Python/lldbsuite/test/commands/expression/completion/TestExprCompletion.py @@ -0,0 +1,255 @@ +""" +Test the lldb command line completion mechanism for the 'expr' command. +""" + +from __future__ import print_function + +import lldb +from lldbsuite.test.decorators import * +from lldbsuite.test.lldbtest import * +from lldbsuite.test import lldbplatform +from lldbsuite.test import lldbutil + +class CommandLineExprCompletionTestCase(TestBase): + + mydir = TestBase.compute_mydir(__file__) + + NO_DEBUG_INFO_TESTCASE = True + + def test_expr_completion(self): + self.build() + self.main_source = "main.cpp" + self.main_source_spec = lldb.SBFileSpec(self.main_source) + self.dbg.CreateTarget(self.getBuildArtifact("a.out")) + + # Try the completion before we have a context to complete on. + self.assume_no_completions('expr some_expr') + self.assume_no_completions('expr ') + self.assume_no_completions('expr f') + + + (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self, + '// Break here', self.main_source_spec) + + # Completing member functions + self.complete_exactly('expr some_expr.FooNoArgs', + 'expr some_expr.FooNoArgsBar()') + self.complete_exactly('expr some_expr.FooWithArgs', + 'expr some_expr.FooWithArgsBar(') + self.complete_exactly('expr some_expr.FooWithMultipleArgs', + 'expr some_expr.FooWithMultipleArgsBar(') + self.complete_exactly('expr some_expr.FooUnderscore', + 'expr some_expr.FooUnderscoreBar_()') + self.complete_exactly('expr some_expr.FooNumbers', + 'expr some_expr.FooNumbersBar1()') + self.complete_exactly('expr some_expr.StaticMemberMethod', + 'expr some_expr.StaticMemberMethodBar()') + + # Completing static functions + self.complete_exactly('expr Expr::StaticMemberMethod', + 'expr Expr::StaticMemberMethodBar()') + + # Completing member variables + self.complete_exactly('expr some_expr.MemberVariab', + 'expr some_expr.MemberVariableBar') + + # Multiple completions + self.completions_contain('expr some_expr.', + ['some_expr.FooNumbersBar1()', + 'some_expr.FooUnderscoreBar_()', + 'some_expr.FooWithArgsBar(', + 'some_expr.MemberVariableBar']) + + self.completions_contain('expr some_expr.Foo', + ['some_expr.FooNumbersBar1()', + 'some_expr.FooUnderscoreBar_()', + 'some_expr.FooWithArgsBar(']) + + self.completions_contain('expr ', + ['static_cast', + 'reinterpret_cast', + 'dynamic_cast']) + + self.completions_contain('expr 1 + ', + ['static_cast', + 'reinterpret_cast', + 'dynamic_cast']) + + # Completion expr without spaces + # This is a bit awkward looking for the user, but that's how + # the completion API works at the moment. + self.completions_contain('expr 1+', + ['1+some_expr', "1+static_cast"]) + + # Test with spaces + self.complete_exactly('expr some_expr .FooNoArgs', + 'expr some_expr .FooNoArgsBar()') + self.complete_exactly('expr some_expr .FooNoArgs', + 'expr some_expr .FooNoArgsBar()') + self.complete_exactly('expr some_expr .FooNoArgs', + 'expr some_expr .FooNoArgsBar()') + self.complete_exactly('expr some_expr. FooNoArgs', + 'expr some_expr. FooNoArgsBar()') + self.complete_exactly('expr some_expr . FooNoArgs', + 'expr some_expr . FooNoArgsBar()') + self.complete_exactly('expr Expr :: StaticMemberMethod', + 'expr Expr :: StaticMemberMethodBar()') + self.complete_exactly('expr Expr ::StaticMemberMethod', + 'expr Expr ::StaticMemberMethodBar()') + self.complete_exactly('expr Expr:: StaticMemberMethod', + 'expr Expr:: StaticMemberMethodBar()') + + # Test that string literals don't break our parsing logic. + self.complete_exactly('expr const char *cstr = "some_e"; char c = *cst', + 'expr const char *cstr = "some_e"; char c = *cstr') + self.complete_exactly('expr const char *cstr = "some_e" ; char c = *cst', + 'expr const char *cstr = "some_e" ; char c = *cstr') + # Requesting completions inside an incomplete string doesn't provide any + # completions. + self.complete_exactly('expr const char *cstr = "some_e', + 'expr const char *cstr = "some_e') + + # Completing inside double dash should do nothing + self.assume_no_completions('expr -i0 -- some_expr.', 10) + self.assume_no_completions('expr -i0 -- some_expr.', 11) + + # Test with expr arguments + self.complete_exactly('expr -i0 -- some_expr .FooNoArgs', + 'expr -i0 -- some_expr .FooNoArgsBar()') + self.complete_exactly('expr -i0 -- some_expr .FooNoArgs', + 'expr -i0 -- some_expr .FooNoArgsBar()') + + # Addrof and deref + self.complete_exactly('expr (*(&some_expr)).FooNoArgs', + 'expr (*(&some_expr)).FooNoArgsBar()') + self.complete_exactly('expr (*(&some_expr)) .FooNoArgs', + 'expr (*(&some_expr)) .FooNoArgsBar()') + self.complete_exactly('expr (* (&some_expr)) .FooNoArgs', + 'expr (* (&some_expr)) .FooNoArgsBar()') + self.complete_exactly('expr (* (& some_expr)) .FooNoArgs', + 'expr (* (& some_expr)) .FooNoArgsBar()') + + # Addrof and deref (part 2) + self.complete_exactly('expr (&some_expr)->FooNoArgs', + 'expr (&some_expr)->FooNoArgsBar()') + self.complete_exactly('expr (&some_expr) ->FooNoArgs', + 'expr (&some_expr) ->FooNoArgsBar()') + self.complete_exactly('expr (&some_expr) -> FooNoArgs', + 'expr (&some_expr) -> FooNoArgsBar()') + self.complete_exactly('expr (&some_expr)-> FooNoArgs', + 'expr (&some_expr)-> FooNoArgsBar()') + + # Builtin arg + self.complete_exactly('expr static_ca', + 'expr static_cast') + + # From other files + self.complete_exactly('expr fwd_decl_ptr->Hidden', + 'expr fwd_decl_ptr->HiddenMember') + + + # Types + self.complete_exactly('expr LongClassNa', + 'expr LongClassName') + self.complete_exactly('expr LongNamespaceName::NestedCla', + 'expr LongNamespaceName::NestedClass') + + # Namespaces + self.complete_exactly('expr LongNamespaceNa', + 'expr LongNamespaceName::') + + # Multiple arguments + self.complete_exactly('expr &some_expr + &some_e', + 'expr &some_expr + &some_expr') + self.complete_exactly('expr SomeLongVarNameWithCapitals + SomeLongVarName', + 'expr SomeLongVarNameWithCapitals + SomeLongVarNameWithCapitals') + self.complete_exactly('expr SomeIntVar + SomeIntV', + 'expr SomeIntVar + SomeIntVar') + + # Multiple statements + self.complete_exactly('expr long LocalVariable = 0; LocalVaria', + 'expr long LocalVariable = 0; LocalVariable') + + # Custom Decls + self.complete_exactly('expr auto l = [](int LeftHandSide, int bx){ return LeftHandS', + 'expr auto l = [](int LeftHandSide, int bx){ return LeftHandSide') + self.complete_exactly('expr struct LocalStruct { long MemberName; } ; LocalStruct S; S.Mem', + 'expr struct LocalStruct { long MemberName; } ; LocalStruct S; S.MemberName') + + # Completing function call arguments + self.complete_exactly('expr some_expr.FooWithArgsBar(some_exp', + 'expr some_expr.FooWithArgsBar(some_expr') + self.complete_exactly('expr some_expr.FooWithArgsBar(SomeIntV', + 'expr some_expr.FooWithArgsBar(SomeIntVar') + self.complete_exactly('expr some_expr.FooWithMultipleArgsBar(SomeIntVar, SomeIntVa', + 'expr some_expr.FooWithMultipleArgsBar(SomeIntVar, SomeIntVar') + + # Function return values + self.complete_exactly('expr some_expr.Self().FooNoArgs', + 'expr some_expr.Self().FooNoArgsBar()') + self.complete_exactly('expr some_expr.Self() .FooNoArgs', + 'expr some_expr.Self() .FooNoArgsBar()') + self.complete_exactly('expr some_expr.Self(). FooNoArgs', + 'expr some_expr.Self(). FooNoArgsBar()') + + def test_expr_completion_with_descriptions(self): + self.build() + self.main_source = "main.cpp" + self.main_source_spec = lldb.SBFileSpec(self.main_source) + self.dbg.CreateTarget(self.getBuildArtifact("a.out")) + + (target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(self, + '// Break here', self.main_source_spec) + + self.check_completion_with_desc("expr ", [ + # VarDecls have their type as description. + ["some_expr", "Expr &"], + # builtin types have no description. + ["int", ""], + ["float", ""] + ]) + self.check_completion_with_desc("expr some_expr.", [ + # Functions have their signature as description. + ["some_expr.Self()", "Expr &Self()"], + ["some_expr.operator=(", "inline Expr &operator=(const Expr &)"], + ["some_expr.FooNumbersBar1()", "int FooNumbersBar1()"], + ["some_expr.StaticMemberMethodBar()", "static int StaticMemberMethodBar()"], + ["some_expr.FooWithArgsBar(", "int FooWithArgsBar(int)"], + ["some_expr.FooNoArgsBar()", "int FooNoArgsBar()"], + ["some_expr.FooUnderscoreBar_()", "int FooUnderscoreBar_()"], + ["some_expr.FooWithMultipleArgsBar(", "int FooWithMultipleArgsBar(int, int)"], + ["some_expr.~Expr()", "inline ~Expr()"], + # FieldDecls have their type as description. + ["some_expr.MemberVariableBar", "int"], + ]) + + def assume_no_completions(self, str_input, cursor_pos = None): + interp = self.dbg.GetCommandInterpreter() + match_strings = lldb.SBStringList() + if cursor_pos is None: + cursor_pos = len(str_input) + num_matches = interp.HandleCompletion(str_input, cursor_pos, 0, -1, match_strings) + + available_completions = [] + for m in match_strings: + available_completions.append(m) + + self.assertEquals(num_matches, 0, "Got matches, but didn't expect any: " + str(available_completions)) + + def completions_contain(self, str_input, items): + interp = self.dbg.GetCommandInterpreter() + match_strings = lldb.SBStringList() + num_matches = interp.HandleCompletion(str_input, len(str_input), 0, -1, match_strings) + common_match = match_strings.GetStringAtIndex(0) + + for item in items: + found = False + for m in match_strings: + if m == item: + found = True + if not found: + # Transform match_strings to a python list with strings + available_completions = [] + for m in match_strings: + available_completions.append(m) + self.assertTrue(found, "Couldn't find completion " + item + " in completions " + str(available_completions)) |
