Have peek32 return uint32_t& to make it harder to look at more than 4 bytes.

tests/Writer32Test.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkRandom.h"
 #include "SkReader32.h"
 #include "SkWriter32.h"
@@ skipping 84 matching lines @@
     REPORTER_ASSERT(reporter, reader.readInt() == 0x33);
     REPORTER_ASSERT(reporter, reader.readPtr() == p1);
     REPORTER_ASSERT(reporter, reader.readInt() == 0x66);
 }
 
 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->bytesWritten());
         writer->write32(data[i]);
-        uint32_t* addr = writer->peek32(i * 4);
-        REPORTER_ASSERT(reporter, data[i] == *addr);
+        REPORTER_ASSERT(reporter, data[i] == writer->read32At(i*4));
     }
 
     char buffer[sizeof(data)];
     REPORTER_ASSERT(reporter, sizeof(buffer) == writer->bytesWritten());
     writer->flatten(buffer);
     REPORTER_ASSERT(reporter, !memcmp(data, buffer, sizeof(buffer)));
 }
 
 static void test2(skiatest::Reporter* reporter, SkWriter32* writer) {
     static const char gStr[] = "abcdefghimjklmnopqrstuvwxyz";
@@ skipping 119 matching lines @@
     writer.reset();
     testWritePad(reporter, &writer);
 }
 
 DEF_TEST(Writer32_misc, reporter) {
     test_reserve(reporter);
     test_string_null(reporter);
     test_ptr(reporter);
     test_rewind(reporter);
 }