Add the testcase for https://github.com/kripken/emscripten/issues/2334 to the testsuite.

3 files changed, 52 insertions, 0 deletions

diff --git a/tests/fs/test_writeFile.cc b/tests/fs/test_writeFile.cc
new file mode 100644
index 00000000..31466b8e
--- /dev/null
+++ b/tests/fs/test_writeFile.cc
@@ -0,0 +1,43 @@
+// https://github.com/kripken/emscripten/issues/2334
+
+#include <fstream>
+#include <iostream>
+#include <string>
+
+#include <emscripten/emscripten.h>
+
+int main()
+{
+    EM_ASM(
+        FS.writeFile("testfile", "a=1\nb=2\nc=3");
+    );
+
+    std::ifstream file("testfile");
+
+    while(!file.eof() && !file.fail())
+    {
+        std::string line;
+        getline(file, line);
+        std::string name;
+
+        std::cout << "read " << line << std::endl;
+
+        size_t equalsPos = 1;
+
+        size_t notSpace = line.find_first_not_of(" \t", equalsPos);
+
+        if(notSpace != std::string::npos && notSpace != equalsPos)
+        {
+            line.erase(std::remove_if(line.begin(), line.begin() + notSpace, isspace), line.end());
+
+            equalsPos = line.find('=');
+        }
+
+        if(equalsPos == std::string::npos)
+            continue;
+
+        name = line.substr(0, equalsPos);
+    }
+
+    return 0;
+}
diff --git a/tests/fs/test_writeFile.out b/tests/fs/test_writeFile.out
new file mode 100644
index 00000000..16e520be
--- /dev/null
+++ b/tests/fs/test_writeFile.out
@@ -0,0 +1,3 @@
+read a=1
+read b=2
+read c=3
diff --git a/tests/test_core.py b/tests/test_core.py
index cf2730d0..76d3415c 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -4259,6 +4259,12 @@ def process(filename):
     out = path_from_root('tests', 'fs', 'test_trackingdelegate.out')
     self.do_run_from_file(src, out)
 
+  def test_fs_writeFile(self):
+    self.emcc_args += ['-s', 'DISABLE_EXCEPTION_CATCHING=1']
+    src = path_from_root('tests', 'fs', 'test_writeFile.cc')
+    out = path_from_root('tests', 'fs', 'test_writeFile.out')
+    self.do_run_from_file(src, out)
+
   def test_unistd_access(self):
     self.clear()
     if not self.is_emscripten_abi(): return self.skip('asmjs-unknown-emscripten needed for inline js')