[orc] branch master updated: ORC-465: [C++] add a test for PATCHED_BASE with a big gap. (#362)

[xndai]

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The following commit(s) were added to refs/heads/master by this push:
     new 8ac633f  ORC-465: [C++] add a test for PATCHED_BASE with a big gap. 
(#362)
8ac633f is described below

commit 8ac633f4e147c8f01d00c0ac78454bb8d1b825ea
Author: Fang Zheng <zhengfang.x...@gmail.com>
AuthorDate: Fri Feb 15 14:19:23 2019 -0800

    ORC-465: [C++] add a test for PATCHED_BASE with a big gap. (#362)
    
    Fixes #362
---
 c++/test/TestRleEncoder.cc | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/c++/test/TestRleEncoder.cc b/c++/test/TestRleEncoder.cc
index ceb4d05..f54e072 100644
--- a/c++/test/TestRleEncoder.cc
+++ b/c++/test/TestRleEncoder.cc
@@ -256,6 +256,30 @@ namespace orc {
     runExampleTest(data, 20, expectedEncoded, 28);
   }
 
+  TEST_P(RleTest, RleV2_Patched_base_big_gap) {
+    // The input data contains 512 values: data[0...510] are of a repeated 
pattern of (2, 1), and
+    // the last value (i.e. data[511]) is equal to 1024. This makes the last 
value to be the
+    // only patched value and the gap of this patch is 511.
+    const int numValues = 512;
+    int64_t data[512];
+    for (int i = 0; i < 511; i+=2) {
+      data[i] = 2;
+      data[i+1] = 1;
+    }
+    data[511] = 1024;
+
+    // Invoke the encoder.
+    const bool isSigned = true;
+    MemoryOutputStream memStream(DEFAULT_MEM_STREAM_SIZE);
+
+    std::unique_ptr<RleEncoder> encoder = getEncoder(RleVersion_2, memStream, 
isSigned);
+    encoder->add(data, numValues, nullptr);
+    encoder->flush();
+
+    // Decode and verify.
+    decodeAndVerify(RleVersion_2, memStream, data, numValues, nullptr, 
isSigned);
+  }
+
   TEST_P(RleTest, RleV2_delta_example) {
     int64_t data[10] = {2, 3, 5, 7, 11, 13, 17, 19, 23, 29};
     unsigned char expectedEncoded[8] = {0xc6, 0x09, 0x02, 0x02, 0x22, 0x42, 
0x42, 0x46};