add test from the VBA spec for the compression algorithm

Change-Id: I41d5aca8940e34b41e2cc70a72b6e076707bfac6

3 files changed, 30 insertions, 0 deletions

diff --git a/oox/qa/unit/data/vba/reference/spec323.bin b/oox/qa/unit/data/vba/reference/spec323.bin
new file mode 100644
index 000000000000..51104ee0b4a2
--- /dev/null
+++ b/oox/qa/unit/data/vba/reference/spec323.bin
diff --git a/oox/qa/unit/data/vba/spec323.bin b/oox/qa/unit/data/vba/spec323.bin
new file mode 100644
index 000000000000..9ca58b98a71d
--- /dev/null
+++ b/oox/qa/unit/data/vba/spec323.bin
@@ -0,0 +1 @@
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
\ No newline at end of file
diff --git a/oox/qa/unit/vba_compression.cxx b/oox/qa/unit/vba_compression.cxx
index 4519700a1f94..79d394ba0f5f 100644
--- a/oox/qa/unit/vba_compression.cxx
+++ b/oox/qa/unit/vba_compression.cxx
@@ -30,6 +30,12 @@ public:
     // real stream from a document
     void testComplex1();
 
+    // tests taken from the VBA specification
+    // section 3.2
+
+    // section 3.2.3
+    void testSpec323();
+
     // avoid the BootstrapFixtureBase::setUp and tearDown
     virtual void setUp() SAL_OVERRIDE;
     virtual void tearDown() SAL_OVERRIDE;
@@ -39,6 +45,7 @@ public:
     CPPUNIT_TEST(testSimple2);
     CPPUNIT_TEST(testSimple3);
     CPPUNIT_TEST(testComplex1);
+    CPPUNIT_TEST(testSpec323);
     CPPUNIT_TEST_SUITE_END();
 
 private:
@@ -156,6 +163,28 @@ void TestVbaCompression::testComplex1()
     }
 }
 
+void TestVbaCompression::testSpec323()
+{
+    OUString aTestFile = getPathFromSrc("/oox/qa/unit/data/vba/spec323.bin");
+    OUString aReference = getPathFromSrc("/oox/qa/unit/data/vba/reference/spec323.bin");
+
+    SvMemoryStream aOutputMemoryStream(4096, 4096);
+    SvMemoryStream aReferenceMemoryStream(4096, 4096);
+    ReadFiles(aTestFile, aReference, aOutputMemoryStream, aReferenceMemoryStream, "/tmp/vba_debug_spec321.bin");
+
+    CPPUNIT_ASSERT_EQUAL(aReferenceMemoryStream.GetSize(), aOutputMemoryStream.GetSize());
+
+    const sal_uInt8* pReferenceData = (const sal_uInt8*) aReferenceMemoryStream.GetData();
+    const sal_uInt8* pData = (const sal_uInt8*)aOutputMemoryStream.GetData();
+
+    size_t nSize = std::min(aReferenceMemoryStream.GetSize(),
+            aOutputMemoryStream.GetSize());
+    for (size_t i = 0; i < nSize; ++i)
+    {
+        CPPUNIT_ASSERT_EQUAL((int)pReferenceData[i], (int)pData[i]);
+    }
+}
+
 void TestVbaCompression::setUp()
 {
 }