| """ |
| Test importing the 'std' C++ module and evaluate expressions with it. |
| """ |
| |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class ImportStdModule(TestBase): |
| @add_test_categories(["libc++"]) |
| @skipIf(compiler=no_match("clang")) |
| def test(self): |
| self.build() |
| |
| lldbutil.run_to_source_breakpoint( |
| self, "// Set break point at this line.", lldb.SBFileSpec("main.cpp") |
| ) |
| |
| # Activate importing of std module. |
| self.runCmd("settings set target.import-std-module true") |
| # Calling some normal std functions that return non-template types. |
| self.expect_expr("std::abs(-42)", result_type="int", result_value="42") |
| self.expect_expr( |
| "std::minmax<int>(1, 2).first", result_type="const int", result_value="1" |
| ) |
| self.expect_expr("std::div(2, 1).quot", result_type="int", result_value="2") |
| # Using types from std. |
| self.expect_expr( |
| "(std::size_t)33U", result_type="std::size_t", result_value="33" |
| ) |
| # Calling templated functions that return non-template types. |
| self.expect_expr( |
| "char char_a = 'b'; char char_b = 'a'; std::swap(char_a, char_b); char_a", |
| result_type="char", |
| result_value="'a'", |
| ) |
| |
| @add_test_categories(["libc++"]) |
| @skipIf(compiler=no_match("clang")) |
| def test_non_cpp_language(self): |
| self.build() |
| |
| lldbutil.run_to_source_breakpoint( |
| self, "// Set break point at this line.", lldb.SBFileSpec("main.cpp") |
| ) |
| |
| # Activate importing of std module. |
| self.runCmd("settings set target.import-std-module true") |
| # These languages don't support C++ modules, so they shouldn't |
| # be able to evaluate the expression. |
| self.expect("expr -l C -- std::minmax<int>(1, 2).first", error=True) |
| self.expect("expr -l C99 -- std::minmax<int>(1, 2).first", error=True) |
| self.expect("expr -l C11 -- std::minmax<int>(1, 2).first", error=True) |
| self.expect("expr -l ObjC -- std::minmax<int>(1, 2).first", error=True) |
