From 680d318352d0c740992a7e1d6ee5bac766487bbf Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Wed, 9 Sep 2015 11:38:25 +0200
Subject: Add unit tests for bug #981: valid and invalid usage of ternary
 operator

---
 failtest/CMakeLists.txt |  3 +++
 failtest/ternary_1.cpp  | 13 +++++++++++++
 failtest/ternary_2.cpp  | 13 +++++++++++++
 3 files changed, 29 insertions(+)
 create mode 100644 failtest/ternary_1.cpp
 create mode 100644 failtest/ternary_2.cpp

(limited to 'failtest')

diff --git a/failtest/CMakeLists.txt b/failtest/CMakeLists.txt
index 8df0a7631..1a73f05e6 100644
--- a/failtest/CMakeLists.txt
+++ b/failtest/CMakeLists.txt
@@ -41,6 +41,9 @@ ei_add_failtest("ref_5")
 ei_add_failtest("swap_1")
 ei_add_failtest("swap_2")
 
+ei_add_failtest("ternary_1")
+ei_add_failtest("ternary_2")
+
 ei_add_failtest("sparse_ref_1")
 ei_add_failtest("sparse_ref_2")
 ei_add_failtest("sparse_ref_3")
diff --git a/failtest/ternary_1.cpp b/failtest/ternary_1.cpp
new file mode 100644
index 000000000..b40bcb0cc
--- /dev/null
+++ b/failtest/ternary_1.cpp
@@ -0,0 +1,13 @@
+#include "../Eigen/Core"
+
+using namespace Eigen;
+
+int main(int argc,char **)
+{
+  VectorXf a(10), b(10);
+#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
+  b = argc>1 ? 2*a : -a;
+#else
+  b = argc>1 ? 2*a : VectorXf(-a);
+#endif
+}
diff --git a/failtest/ternary_2.cpp b/failtest/ternary_2.cpp
new file mode 100644
index 000000000..a46b12b2b
--- /dev/null
+++ b/failtest/ternary_2.cpp
@@ -0,0 +1,13 @@
+#include "../Eigen/Core"
+
+using namespace Eigen;
+
+int main(int argc,char **)
+{
+  VectorXf a(10), b(10);
+#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
+  b = argc>1 ? 2*a : a+a;
+#else
+  b = argc>1 ? VectorXf(2*a) : VectorXf(a+a);
+#endif
+}
-- 
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