Fix TOC is not shown when no `:maxdepth:` for toctrees (ref: #771)

CHANGES

@@ -16,6 +16,7 @@ Bugs fixed
 * #2211: Fix paragraphs in table cell doesn't work in Latex output
 * #2253: ``:pyobject:`` option of ``literalinclude`` directive can't detect indented
   body block when the block starts with blank or comment lines.
+* Fix TOC is not shown when no ``:maxdepth:`` for toctrees (ref: #771)
 
 Release 1.3.4 (released Jan 12, 2016)
 =====================================

sphinx/builders/latex.py

@@ -97,8 +97,8 @@ class LaTeXBuilder(Builder):
             self.info("processing " + targetname + "... ", nonl=1)
             toctrees = self.env.get_doctree(docname).traverse(addnodes.toctree)
             if toctrees:
-                if toctrees[0].get('maxdepth'):
-                    tocdepth = int(toctrees[0].get('maxdepth'))
+                if toctrees[0].get('maxdepth') > 0:
+                    tocdepth = toctrees[0].get('maxdepth')
                 else:
                     tocdepth = None
             else:

tests/test_build_latex.py

@@ -474,3 +474,25 @@ def test_toctree_maxdepth_howto(app, status, warning):
     print(status.getvalue())
     print(warning.getvalue())
     assert '\\setcounter{tocdepth}{2}' in result
+
+
+@with_app(buildername='latex', testroot='toctree-maxdepth',
+          confoverrides={'master_doc': 'foo'})
+def test_toctree_not_found(app, status, warning):
+    app.builder.build_all()
+    result = (app.outdir / 'Python.tex').text(encoding='utf8')
+    print(result)
+    print(status.getvalue())
+    print(warning.getvalue())
+    assert '\\setcounter{tocdepth}' not in result
+
+
+@with_app(buildername='latex', testroot='toctree-maxdepth',
+          confoverrides={'master_doc': 'bar'})
+def test_toctree_without_maxdepth(app, status, warning):
+    app.builder.build_all()
+    result = (app.outdir / 'Python.tex').text(encoding='utf8')
+    print(result)
+    print(status.getvalue())
+    print(warning.getvalue())
+    assert '\\setcounter{tocdepth}' not in result