add cross-process option to gpipe

add unittests for reader32 and writer32



git-svn-id: http://skia.googlecode.com/svn/trunk@1397 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 90 insertions, 0 deletions

diff --git a/tests/Writer32Test.cpp b/tests/Writer32Test.cpp
new file mode 100644
index 0000000000..63b1209e98
--- /dev/null
+++ b/tests/Writer32Test.cpp
@@ -0,0 +1,90 @@
+/*
+    Copyright 2011 Google Inc.
+
+    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 "SkReader32.h"
+#include "SkWriter32.h"
+#include "Test.h"
+
+static void test1(skiatest::Reporter* reporter, SkWriter32* writer) {
+    const uint32_t data[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
+    for (size_t i = 0; i < SK_ARRAY_COUNT(data); ++i) {
+        REPORTER_ASSERT(reporter, i*4 == writer->size());
+        writer->write32(data[i]);
+        uint32_t* addr = writer->peek32(i * 4);
+        REPORTER_ASSERT(reporter, data[i] == *addr);
+    }
+
+    char buffer[sizeof(data)];
+    REPORTER_ASSERT(reporter, sizeof(buffer) == writer->size());
+    writer->flatten(buffer);
+    REPORTER_ASSERT(reporter, !memcmp(data, buffer, sizeof(buffer)));
+}
+
+static void test2(skiatest::Reporter* reporter, SkWriter32* writer) {
+    static const char gStr[] = "abcdefghimjklmnopqrstuvwxyz";
+    size_t i;
+
+    size_t len = 0;
+    for (i = 0; i <= 26; ++i) {
+        len += SkWriter32::WriteStringSize(gStr, i);
+        writer->writeString(gStr, i);
+    }
+    REPORTER_ASSERT(reporter, writer->size() == len);
+
+    SkAutoMalloc storage(len);
+    writer->flatten(storage.get());
+
+    SkReader32 reader;
+    reader.setMemory(storage.get(), len);
+    for (i = 0; i <= 26; ++i) {
+        REPORTER_ASSERT(reporter, !reader.eof());
+        const char* str = reader.readString(&len);
+        REPORTER_ASSERT(reporter, i == len);
+        REPORTER_ASSERT(reporter, strlen(str) == len);
+        REPORTER_ASSERT(reporter, !memcmp(str, gStr, len));
+    }
+    REPORTER_ASSERT(reporter, reader.eof());
+}
+
+static void Tests(skiatest::Reporter* reporter) {
+    // dynamic allocator
+    {
+        SkWriter32 writer(256 * 4);
+        REPORTER_ASSERT(reporter, NULL == writer.getSingleBlock());
+        test1(reporter, &writer);
+        
+        writer.reset();
+        test2(reporter, &writer);
+    }
+    
+    // single-block
+    {
+        SkWriter32 writer(0);
+        uint32_t storage[256];
+        REPORTER_ASSERT(reporter, NULL == writer.getSingleBlock());
+        writer.reset(storage, sizeof(storage));
+        REPORTER_ASSERT(reporter, (void*)storage == writer.getSingleBlock());
+        test1(reporter, &writer);
+
+        writer.reset(storage, sizeof(storage));
+        test2(reporter, &writer);
+    }
+}
+
+#include "TestClassDef.h"
+DEFINE_TESTCLASS("Writer32", Writer32Class, Tests)
+