From fd06fa49e4e3f4811df4ee566a0ea41832eb0cca Mon Sep 17 00:00:00 2001
From: Syoyo Fujita <syoyo@lighttransport.com>
Date: Wed, 25 Jul 2018 21:42:23 +0900
Subject: [PATCH] Add unit test for parsing 'l'.

---
 models/line-prim.obj | 16 ++++++++++++++++
 tests/tester.cc      | 17 +++++++++++++++++
 2 files changed, 33 insertions(+)
 create mode 100644 models/line-prim.obj

diff --git a/models/line-prim.obj b/models/line-prim.obj
new file mode 100644
index 0000000..5f8fb0c
--- /dev/null
+++ b/models/line-prim.obj
@@ -0,0 +1,16 @@
+mtllib cube.mtl
+
+v 0.000000 2.000000 2.000000
+v 0.000000 0.000000 2.000000
+v 2.000000 0.000000 2.000000
+v 2.000000 2.000000 2.000000
+v 0.000000 2.000000 0.000000
+v 0.000000 0.000000 0.000000
+v 2.000000 0.000000 0.000000
+v 2.000000 2.000000 0.000000
+# 8 vertices
+
+g g0
+usemtl white
+l 1 2 3 4
+l 5 6 7
diff --git a/tests/tester.cc b/tests/tester.cc
index 638507d..0a26d2e 100644
--- a/tests/tester.cc
+++ b/tests/tester.cc
@@ -790,6 +790,23 @@ TEST_CASE("Empty mtl basedir", "[Issue177]") {
   REQUIRE(true == ret);
 }
 
+TEST_CASE("line-primitive", "[line]") {
+  tinyobj::attrib_t attrib;
+  std::vector<tinyobj::shape_t> shapes;
+  std::vector<tinyobj::material_t> materials;
+
+  std::string err;
+  bool ret = tinyobj::LoadObj(&attrib, &shapes, &materials, &err, "../models/line-prim.obj", gMtlBasePath);
+
+  if (!err.empty()) {
+    std::cerr << "[line] " << err << std::endl;
+  }
+
+  REQUIRE(true == ret);
+  REQUIRE(1 == shapes.size());
+  REQUIRE(6 == shapes[0].path.indices.size());
+}
+
 // Fuzzer test.
 // Just check if it does not crash.
 // Disable by default since Windows filesystem can't create filename of afl testdata