Fix leaks in the embedder tests themselves.

fpdfsdk/src/fpdftext_embeddertest.cpp

 // Copyright 2015 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "../../public/fpdf_text.h"
 #include "../../public/fpdfview.h"
 #include "../../testing/embedder_test.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
@@ skipping 18 matching lines @@
 };
 
 TEST_F(FPDFTextEmbeddertest, Text) {
   EXPECT_TRUE(OpenDocument("testing/resources/hello_world.pdf"));
   FPDF_PAGE page = LoadPage(0);
   EXPECT_NE(nullptr, page);
 
   FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
   EXPECT_NE(nullptr, textpage);
 
-  const char expected[] = "Hello, world!\r\nGoodbye, world!";
+  static const char expected[] = "Hello, world!\r\nGoodbye, world!";
   unsigned short fixed_buffer[128];
   memset(fixed_buffer, 0xbd, sizeof(fixed_buffer));
 
   // Check includes the terminating NUL that is provided.
   EXPECT_EQ(sizeof(expected), FPDFText_GetText(textpage, 0, 128, fixed_buffer));
   EXPECT_TRUE(check_unsigned_shorts(expected, fixed_buffer, sizeof(expected)));
 
   // Count does not include the terminating NUL in the string literal.
   EXPECT_EQ(sizeof(expected) - 1, FPDFText_CountChars(textpage));
   for (size_t i = 0; i < sizeof(expected) - 1; ++i) {
@@ skipping 77 matching lines @@
   EXPECT_EQ(0xbdbd, fixed_buffer[9]);
 
   memset(fixed_buffer, 0xbd, sizeof(fixed_buffer));
   EXPECT_EQ(10, FPDFText_GetBoundedText(
       textpage, 41.0, 56.0, 82.0, 48.0, fixed_buffer, 128));
   EXPECT_TRUE(check_unsigned_shorts(expected + 4, fixed_buffer, 9));
   EXPECT_EQ(0u, fixed_buffer[9]);
   EXPECT_EQ(0xbdbd, fixed_buffer[10]);
 
   FPDFText_ClosePage(textpage);
+  UnloadPage(page);
 }
 
 TEST_F(FPDFTextEmbeddertest, TextSearch) {
   EXPECT_TRUE(OpenDocument("testing/resources/hello_world.pdf"));
   FPDF_PAGE page = LoadPage(0);
   EXPECT_NE(nullptr, page);
 
   FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
   EXPECT_NE(nullptr, textpage);
 
@@ skipping 85 matching lines @@
   EXPECT_EQ(4, FPDFText_GetSchCount(search));
   FPDFText_FindClose(search);
 
   // But can be made to mach word boundaries, in which case this fails.
   search = FPDFText_FindStart(textpage, world_substr, FPDF_MATCHWHOLEWORD, 0);
   EXPECT_FALSE(FPDFText_FindNext(search));
   // TODO(tsepez): investigate strange index/count values in this state.
   FPDFText_FindClose(search);
 
   FPDFText_ClosePage(textpage);
+  UnloadPage(page);
 }
 
 // Test that the page has characters despite a bad stream length.
 TEST_F(FPDFTextEmbeddertest, StreamLengthPastEndOfFile) {
   EXPECT_TRUE(OpenDocument("testing/resources/bug_57.pdf"));
   FPDF_PAGE page = LoadPage(0);
   EXPECT_NE(nullptr, page);
 
   FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
   EXPECT_NE(nullptr, textpage);
   EXPECT_EQ(13, FPDFText_CountChars(textpage));
 
   FPDFText_ClosePage(textpage);
+  UnloadPage(page);
 }
 
 TEST_F(FPDFTextEmbeddertest, WebLinks) {
   EXPECT_TRUE(OpenDocument("testing/resources/weblinks.pdf"));
   FPDF_PAGE page = LoadPage(0);
   EXPECT_NE(nullptr, page);
 
   FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
   EXPECT_NE(nullptr, textpage);
 
   FPDF_PAGELINK pagelink = FPDFLink_LoadWebLinks(textpage);
   EXPECT_NE(nullptr, pagelink);
 
   // Page contains two HTTP-style URLs.
   EXPECT_EQ(2, FPDFLink_CountWebLinks(pagelink));
 
   // Only a terminating NUL required for bogus links.
   EXPECT_EQ(1, FPDFLink_GetURL(pagelink, 2, nullptr, 0));
   EXPECT_EQ(1, FPDFLink_GetURL(pagelink, 1400, nullptr, 0));
   EXPECT_EQ(1, FPDFLink_GetURL(pagelink, -1, nullptr, 0));
 
   // Query the number of characters required for each link (incl NUL).
   EXPECT_EQ(25, FPDFLink_GetURL(pagelink, 0, nullptr, 0));
   EXPECT_EQ(26, FPDFLink_GetURL(pagelink, 1, nullptr, 0));
 
-  const char expected_url[] = "http://example.com?q=foo";
+  static const char expected_url[] = "http://example.com?q=foo";
   unsigned short fixed_buffer[128];
 
   // Retrieve a link with too small a buffer.  Buffer will not be
   // NUL-terminated, but must not be modified past indicated length,
   // so pre-fill with a pattern to check write bounds.
   memset(fixed_buffer, 0xbd, sizeof(fixed_buffer));
   EXPECT_EQ(1, FPDFLink_GetURL(pagelink, 0, fixed_buffer, 1));
   EXPECT_TRUE(check_unsigned_shorts(expected_url, fixed_buffer, 1));
   EXPECT_EQ(0xbdbd, fixed_buffer[1]);
 
@@ skipping 60 matching lines @@
   top = -2.0;
   bottom = -2.0;
   FPDFLink_GetRect(pagelink, -1, 0, &left, &top, &right, &bottom);
   EXPECT_EQ(-2.0, left);
   EXPECT_EQ(-2.0, right);
   EXPECT_EQ(-2.0, bottom);
   EXPECT_EQ(-2.0, top);
 
   FPDFLink_CloseWebLinks(pagelink);
   FPDFText_ClosePage(textpage);
+  UnloadPage(page);
 }