[python] Fix bug of the SourceLocation binding.

Patch by Anders Waldenborg!

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@137829 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 50 insertions, 0 deletions

diff --git a/bindings/python/tests/cindex/test_location.py b/bindings/python/tests/cindex/test_location.py
new file mode 100644
index 0000000000..47c1c6021f
--- /dev/null
+++ b/bindings/python/tests/cindex/test_location.py
@@ -0,0 +1,50 @@
+from clang.cindex import Index
+
+baseInput="int one;\nint two;\n"
+
+def assert_location(loc, line, column, offset):
+    assert loc.line == line
+    assert loc.column == column
+    assert loc.offset == offset
+
+def test_location():
+    index = Index.create()
+    tu = index.parse('t.c', unsaved_files = [('t.c',baseInput)])
+
+    for n in tu.cursor.get_children():
+        if n.spelling == 'one':
+            assert_location(n.location,line=1,column=5,offset=4)
+        if n.spelling == 'two':
+            assert_location(n.location,line=2,column=5,offset=13)
+
+    # adding a linebreak at top should keep columns same
+    tu = index.parse('t.c', unsaved_files = [('t.c',"\n"+baseInput)])
+
+    for n in tu.cursor.get_children():
+        if n.spelling == 'one':
+            assert_location(n.location,line=2,column=5,offset=5)
+        if n.spelling == 'two':
+            assert_location(n.location,line=3,column=5,offset=14)
+
+    # adding a space should affect column on first line only
+    tu = index.parse('t.c', unsaved_files = [('t.c'," "+baseInput)])
+
+    for n in tu.cursor.get_children():
+        if n.spelling == 'one':
+            assert_location(n.location,line=1,column=6,offset=5)
+        if n.spelling == 'two':
+            assert_location(n.location,line=2,column=5,offset=14)
+
+def test_extent():
+    index = Index.create()
+    tu = index.parse('t.c', unsaved_files = [('t.c',baseInput)])
+
+    for n in tu.cursor.get_children():
+        if n.spelling == 'one':
+            assert_location(n.extent.start,line=1,column=1,offset=0)
+            assert_location(n.extent.end,line=1,column=8,offset=7)
+            assert baseInput[n.extent.start.offset:n.extent.end.offset] == "int one"
+        if n.spelling == 'two':
+            assert_location(n.extent.start,line=2,column=1,offset=9)
+            assert_location(n.extent.end,line=2,column=8,offset=16)
+            assert baseInput[n.extent.start.offset:n.extent.end.offset] == "int two"