| """ |
| Test lldb data formatter subsystem. |
| """ |
| |
| |
| import lldb |
| from lldbsuite.test.decorators import * |
| from lldbsuite.test.lldbtest import * |
| from lldbsuite.test import lldbutil |
| |
| |
| class LibcxxVariantDataFormatterTestCase(TestBase): |
| @add_test_categories(["libc++"]) |
| ## Clang 7.0 is the oldest Clang that can reliably parse newer libc++ versions |
| ## with -std=c++17. |
| @skipIf( |
| oslist=no_match(["macosx"]), compiler="clang", compiler_version=["<", "7.0"] |
| ) |
| ## We are skipping gcc version less that 5.1 since this test requires -std=c++17 |
| @skipIf(compiler="gcc", compiler_version=["<", "5.1"]) |
| ## std::get is unavailable for std::variant before macOS 10.14 |
| @skipIf(macos_version=["<", "10.14"]) |
| def test_with_run_command(self): |
| """Test that that file and class static variables display correctly.""" |
| self.build() |
| |
| (self.target, self.process, _, bkpt) = lldbutil.run_to_source_breakpoint( |
| self, "// break here", lldb.SBFileSpec("main.cpp", False) |
| ) |
| |
| self.runCmd("frame variable has_variant") |
| |
| output = self.res.GetOutput() |
| |
| ## The variable has_variant tells us if the test program |
| ## detected we have a sufficient libc++ version to support variant |
| ## false means we do not and therefore should skip the test |
| if output.find("(bool) has_variant = false") != -1: |
| self.skipTest("std::variant not supported") |
| |
| lldbutil.continue_to_breakpoint(self.process, bkpt) |
| |
| self.expect( |
| "frame variable v1", |
| substrs=["v1 = Active Type = int {", "Value = 12", "}"], |
| ) |
| |
| self.expect( |
| "frame variable v1_ref", |
| substrs=["v1_ref = Active Type = int : {", "Value = 12", "}"], |
| ) |
| |
| self.expect( |
| "frame variable v_v1", |
| substrs=[ |
| "v_v1 = Active Type = std::variant<int, double, char> {", |
| "Value = Active Type = int {", |
| "Value = 12", |
| "}", |
| "}", |
| ], |
| ) |
| |
| lldbutil.continue_to_breakpoint(self.process, bkpt) |
| |
| self.expect( |
| "frame variable v1", |
| substrs=["v1 = Active Type = double {", "Value = 2", "}"], |
| ) |
| |
| lldbutil.continue_to_breakpoint(self.process, bkpt) |
| |
| self.expect( |
| "frame variable v2", |
| substrs=["v2 = Active Type = double {", "Value = 2", "}"], |
| ) |
| |
| self.expect( |
| "frame variable v3", |
| substrs=["v3 = Active Type = char {", "Value = 'A'", "}"], |
| ) |
| |
| self.expect("frame variable v_no_value", substrs=["v_no_value = No Value"]) |
| |
| self.expect( |
| "frame variable v_300_types_no_value", |
| substrs=["v_300_types_no_value = No Value"], |
| ) |
