Add data formatter for libc++ std::tuple

Reviewers: jingham, EricWF

Subscribers: srhines, eugene, lldb-commits, mgorny

Differential Revision: https://reviews.llvm.org/D35615

llvm-svn: 317095

3 files changed, 68 insertions, 0 deletions

diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-stl/libcxx/tuple/Makefile b/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-stl/libcxx/tuple/Makefile
new file mode 100644
index 00000000000..bf75013f531
--- /dev/null
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-stl/libcxx/tuple/Makefile
@@ -0,0 +1,6 @@
+LEVEL = ../../../../../make
+
+CXX_SOURCES := main.cpp
+
+USE_LIBCPP := 1
+include $(LEVEL)/Makefile.rules
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-stl/libcxx/tuple/TestDataFormatterLibcxxTuple.py b/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-stl/libcxx/tuple/TestDataFormatterLibcxxTuple.py
new file mode 100644
index 00000000000..b25540056a2
--- /dev/null
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-stl/libcxx/tuple/TestDataFormatterLibcxxTuple.py
@@ -0,0 +1,51 @@
+"""
+Test lldb data formatter subsystem.
+"""
+
+from __future__ import print_function
+
+
+import lldb
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+
+
+class TestDataFormatterLibcxxTuple(TestBase):
+
+    mydir = TestBase.compute_mydir(__file__)
+
+    def setUp(self):
+        TestBase.setUp(self)
+        self.line = line_number('main.cpp', '// break here')
+        ns = 'ndk' if lldbplatformutil.target_is_android() else ''
+        self.namespace = 'std::__' + ns + '1'
+
+    @add_test_categories(["libc++"])
+    def test(self):
+        """Test that std::tuple is displayed correctly"""
+        self.build()
+        lldbutil.run_to_source_breakpoint(self, '// break here',
+                lldb.SBFileSpec("main.cpp", False))
+
+        tuple_name = self.namespace + '::tuple'
+        self.expect("frame variable empty",
+                    substrs=[tuple_name,
+                             'size=0',
+                             '{}'])
+
+        self.expect("frame variable one_elt",
+                    substrs=[tuple_name,
+                             'size=1',
+                             '{',
+                             '[0] = 47',
+                             '}'])
+
+        self.expect("frame variable three_elts",
+                    substrs=[tuple_name,
+                             'size=3',
+                             '{',
+                             '[0] = 1',
+                             '[1] = 47',
+                             '[2] = "foo"',
+                             '}'])
diff --git a/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-stl/libcxx/tuple/main.cpp b/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-stl/libcxx/tuple/main.cpp
new file mode 100644
index 00000000000..1c0d0f2ae77
--- /dev/null
+++ b/lldb/packages/Python/lldbsuite/test/functionalities/data-formatter/data-formatter-stl/libcxx/tuple/main.cpp
@@ -0,0 +1,11 @@
+#include <tuple>
+#include <string>
+
+using namespace std;
+
+int main() {
+  tuple<> empty;
+  tuple<int> one_elt{47};
+  tuple<int, long, string> three_elts{1, 47l, "foo"};
+  return 0; // break here
+}