1 files changed, 69 insertions, 0 deletions
diff --git a/src/AppendTest.c b/src/AppendTest.c
new file mode 100644
index 0000000..d1e1349
--- /dev/null
+++ b/src/AppendTest.c
@@ -0,0 +1,69 @@
+#include <stdio.h>
+#include "IEEEIO.h"
+
+int main(int argc, char **argv) {
+  IOFile noapp, app, appch;
+  Int i,j,k;
+  double x[20][20][20];
+  double y[10][20][20];
+  int dims[3],chdim[3],chori[3];
+
+  dims[0] = 20; dims[1] = 20; dims[2] = 20;
+
+  for (i=0;i<20;i++)
+    for (j=0;j<20;j++)
+      for (k=0;k<20;k++) {
+	x[i][j][k] = 20*i + j + k*0.05;
+	if (i < 10) y[i][j][k] = x[i][j][k];
+      }
+
+  /* OK so first write the one three times without appending */
+  noapp = IEEEopen("noapp.ieee","w");
+  for (i=0;i<3;i++) {
+    IOwrite(noapp, FLOAT64, 3, dims, x);
+  }
+  IOclose(noapp);
+
+  /* Now do the appended one */
+  for (i=0;i<3;i++) {
+    if (i == 0)
+      app = IEEEopen("app.ieee","w");
+    else
+      app = IEEEopen("app.ieee","a");
+    IOwrite(app, FLOAT64, 3, dims, x);
+    IOclose(app);
+  }
+
+  /* Now do a chunked one */
+  for (i=0;i<3;i++) {
+    if (i == 0)
+      appch = IEEEopen("appch.ieee","w");
+    else
+      appch = IEEEopen("appch.ieee","a");
+
+    IOreserveChunk(appch,FLOAT64,3,dims);
+    chdim[0] = 20;
+    chdim[1] = 20;
+    chdim[2] = 20;
+    chori[0] = 0;
+    chori[1] = 0;
+    chori[2] = 0;
+    IOwriteChunk(appch,chdim,chori,x);
+    IOclose(appch);
+  }
+
+  /* Now do a chunked one without appending */
+  appch = IEEEopen("noappch.ieee","w");
+  for (i=0;i<3;i++) {
+    IOreserveChunk(appch,FLOAT64,3,dims);
+    chdim[0] = 20;
+    chdim[1] = 20;
+    chdim[2] = 20;
+    chori[0] = 0;
+    chori[1] = 0;
+    chori[2] = 0;
+    IOwriteChunk(appch,chdim,chori,x);
+  }
+  IOclose(appch);
+
+}