--- a/ui/tests/cinstprocesstest.cpp	Wed Apr 02 16:12:18 2014 +0000
+++ b/ui/tests/cinstprocesstest.cpp	Wed Apr 02 16:13:37 2014 +0000
@@ -1,6 +1,7 @@
 #include "cinstprocesstest.h"
 #include "certificatelist.h"
 #include "errorcodes.h"
+#include "common.h"
 
 #include <QDebug>
 #include <QDir>
@@ -120,68 +121,77 @@
 }
 
 void CinstProcessTest::testGarbageInput() {
-    QProcess* installerProcess = startCinstProcess();
-    QVERIFY(installerProcess->state() == QProcess::Running);
-    /* Garbage */
-    installerProcess = startCinstProcess();
-    installerProcess->write("-----BEGIN CERTIFICATE LIST-----\r\n");
-    int retval=0;
-    int bytesWritten=0;
-    do {
-        char garbage[1030];
-        for (int i = 0; i < 1030; i++) {
-            garbage[i] = (char) qrand() % 255;
-        }
-        retval = installerProcess->write(garbage, 1030);
-        bytesWritten += retval;
-    } while (retval != -1 && bytesWritten < 15 *1024 *1024 );
+    QStringList args;
 
-    finishVerify(installerProcess, ERR_INVALID_INPUT);
+    QString garbage = getRandomDataFile(21*1024*1024);
+    args << "list=" + garbage;
+
+    QTemporaryFile instructions;
+    instructions.open();
+    foreach (const Certificate &cert, validList.getCertificates()) {
+        instructions.write(cert.base64Line().toLatin1());
+        instructions.write("\n");
+    }
+    instructions.close();
+
+    args << "instructions=" + instructions.fileName();
+
+    QProcess* installerProcess = startCinstProcess(args);
+    /* If the following failed there may be leftovers in /tmp */
+    finishVerify(installerProcess, ERR_INVALID_INPUT_NO_LIST);
+    QVERIFY(QFile::remove(garbage));
 }
 
 void CinstProcessTest::testNoInput() {
-    QProcess* installerProcess = startCinstProcess();
-    QVERIFY(installerProcess->state() == QProcess::Running);
-
-    /* Nothing */
-    installerProcess = startCinstProcess();
+    QStringList args;
+    args << "list=foobazbuf";
+    args << "instructions=bazbuffoo";
+    QProcess* installerProcess;
+    installerProcess = startCinstProcess(args);
     finishVerify(installerProcess, ERR_INVALID_INPUT_NO_LIST);
 }
 
 
 void CinstProcessTest::testNoInstructions() {
     /* No instructions */
-    QProcess* installerProcess = startCinstProcess();
-    QVERIFY(installerProcess->state() == QProcess::Running);
-    installerProcess->write("-----BEGIN CERTIFICATE LIST-----\r\n");
-    installerProcess->write(validList.rawData().toLatin1());
-    installerProcess->write("-----END CERTIFICATE LIST-----\r\n");
+    QTemporaryFile emptyFile;
+    emptyFile.open();
+    emptyFile.close();
 
+    QStringList args;
+    args << "list=" + validListFile.fileName();
+    args << "instructions=" + emptyFile.fileName();
+
+    QProcess* installerProcess = startCinstProcess(args);
     finishVerify(installerProcess, ERR_NO_INSTRUCTIONS);
 }
 
 void CinstProcessTest::testInvalidInstruction() {
-    QProcess* installerProcess = startCinstProcess();
-    QVERIFY(installerProcess->state() == QProcess::Running);
+    QStringList args;
+    args << "list=" + validListFile.fileName();
 
-    installerProcess->write("-----BEGIN CERTIFICATE LIST-----\r\n");
-    installerProcess->write(validList.rawData().toLatin1());
-    installerProcess->write("-----END CERTIFICATE LIST-----\r\n");
+    QTemporaryFile instructions;
+    instructions.open();
+    foreach (const Certificate &cert, validList.getCertificates()) {
+        instructions.write(cert.base64Line().toLatin1());
+        instructions.write("\n");
+    }
+    instructions.write("I:ABCDEF\n");
+    instructions.close();
 
-    installerProcess->write("I:ABCDEF\r\n");
+    args << "instructions=" + instructions.fileName();
+
+    QProcess* installerProcess = startCinstProcess(args);
 
     finishVerify(installerProcess, ERR_INVALID_INSTRUCTIONS);
 }
 
 void CinstProcessTest::testUninstall() {
-    QProcess* installerProcess = startCinstProcess();
-    QVERIFY(installerProcess->state() == QProcess::Running);
+    QStringList args;
+    args << "list=" + validListFile.fileName();
+    args << "instructions=uninstall";
 
-    installerProcess->write("-----BEGIN CERTIFICATE LIST-----\r\n");
-    installerProcess->write(validList.rawData().toLatin1());
-    installerProcess->write("-----END CERTIFICATE LIST-----\r\n");
-
-    installerProcess->write("UNINSTALL\r\n");
+    QProcess* installerProcess = startCinstProcess(args);
 
     finishVerify(installerProcess, ERR_NO_ERROR);
 }