[compute] 36/46: if the ifstream can't be created in program::create_with_source_file then it throws std::ios_base::failure.

[Ghislain Vaillant]

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ghisvail-guest pushed a commit to branch master
in repository compute.

commit 0a2d7fa0e119cf9202d2d666eceef883df39529d
Author: Alex Olivas <olivas at icecube.umd.edu>
Date:   Wed Nov 18 16:27:19 2015 -0700

    if the ifstream can't be created in program::create_with_source_file then it throws std::ios_base::failure.
---
 include/boost/compute/program.hpp |  4 ++++
 test/test_program.cpp             | 10 ++++++++++
 2 files changed, 14 insertions(+)

diff --git a/include/boost/compute/program.hpp b/include/boost/compute/program.hpp
index 526ca2b..218d840 100644
--- a/include/boost/compute/program.hpp
+++ b/include/boost/compute/program.hpp
@@ -394,6 +394,10 @@ public:
         // open file stream
         std::ifstream stream(file.c_str());
 
+        if(stream.fail()){
+          BOOST_THROW_EXCEPTION(std::ios_base::failure("failed to create stream."));
+        }
+
         // read source
         std::string source(
             (std::istreambuf_iterator<char>(stream)),
diff --git a/test/test_program.cpp b/test/test_program.cpp
index 2b004ee..9240293 100644
--- a/test/test_program.cpp
+++ b/test/test_program.cpp
@@ -55,6 +55,16 @@ BOOST_AUTO_TEST_CASE(program_source)
     BOOST_CHECK_EQUAL(std::string(source), program.source());
 }
 
+BOOST_AUTO_TEST_CASE(program_source_no_file)
+{
+    // create program from a non-existant source file
+    // and verifies it throws.
+    BOOST_CHECK_THROW(boost::compute::program program =
+                      boost::compute::program::create_with_source
+                      (std::string(), context),
+                      std::ios_base::failure);
+}
+
 BOOST_AUTO_TEST_CASE(create_kernel)
 {
     boost::compute::program program =

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