First version of the iphone client that actually works, for at least a subset
[zxing.git] / cpp / core / tests / src / qrcode / decoder / VersionTest.cpp
diff --git a/cpp/core/tests/src/qrcode/decoder/VersionTest.cpp b/cpp/core/tests/src/qrcode/decoder/VersionTest.cpp
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+/*
+ *  VersionTest.cpp
+ *  zxing
+ *
+ *  Created by Christian Brunschen on 19/05/2008.
+ *  Copyright 2008 Google Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "VersionTest.h"
+#include "../../../../src/ReaderException.h"
+#include "../../../../src/qrcode/decoder/Version.h"
+
+namespace qrcode {
+  namespace decoder {
+    
+    static void assertNotNull(Version::ECBlocks *blocks) {
+      CPPUNIT_ASSERT_EQUAL(false, blocks == 0);
+    }
+    
+    static void checkVersion(Version *version, int number, int dimension) {
+      CPPUNIT_ASSERT_EQUAL(false, version == 0);
+      CPPUNIT_ASSERT_EQUAL(number, version->getVersionNumber());
+      if (number > 1) {
+        CPPUNIT_ASSERT_EQUAL(true, 
+                             version->getAlignmentPatternCenters().size() > 0);
+      }
+      CPPUNIT_ASSERT_EQUAL(dimension, version->getDimensionForVersion());
+      assertNotNull(&version->getECBlocksForLevel(ErrorCorrectionLevel::H));
+      assertNotNull(&version->getECBlocksForLevel(ErrorCorrectionLevel::L));
+      assertNotNull(&version->getECBlocksForLevel(ErrorCorrectionLevel::M));
+      assertNotNull(&version->getECBlocksForLevel(ErrorCorrectionLevel::Q));
+      CPPUNIT_ASSERT_EQUAL(false, version->buildFunctionPattern() == 0);
+    }
+
+    
+    CPPUNIT_TEST_SUITE_REGISTRATION(VersionTest);
+    
+    void VersionTest::testVersionForNumber() {
+      for (size_t i = 1; i <= Version::VERSIONS.size(); i++) {
+        Version *v = Version::VERSIONS[i-1];
+        CPPUNIT_ASSERT_EQUAL((int)i, v->getVersionNumber());
+      }
+      
+      try {
+        Version::getVersionForNumber(0);
+        CPPUNIT_FAIL("Should have thrown an exception");
+      } catch (ReaderException *re) {
+        // good
+        delete re;
+      }
+      for (int i = 1; i <= 40; i++) {
+        checkVersion(Version::getVersionForNumber(i), i, 4*i + 17);
+      }
+    }
+    
+    void VersionTest::testGetProvisionalVersionForDimension() {
+      for (int i = 1; i <= 40; i++) {
+        int dimension = 4*i + 17;
+        Version *v = Version::getProvisionalVersionForDimension(dimension);
+        int vi = v->getVersionNumber();
+        CPPUNIT_ASSERT_EQUAL(i, vi);
+      }
+    }
+    
+    void VersionTest::testDecodeVersionInformation() { 
+      // Spot check
+      CPPUNIT_ASSERT_EQUAL(7, Version::decodeVersionInformation(0x07C94)->getVersionNumber());
+      CPPUNIT_ASSERT_EQUAL(12, Version::decodeVersionInformation(0x0C762)->getVersionNumber());
+      CPPUNIT_ASSERT_EQUAL(17, Version::decodeVersionInformation(0x1145D)->getVersionNumber());
+      CPPUNIT_ASSERT_EQUAL(22, Version::decodeVersionInformation(0x168C9)->getVersionNumber());
+      CPPUNIT_ASSERT_EQUAL(27, Version::decodeVersionInformation(0x1B08E)->getVersionNumber());
+      CPPUNIT_ASSERT_EQUAL(32, Version::decodeVersionInformation(0x209D5)->getVersionNumber());    
+    }
+    
+  }
+}
+