Use bfrange to shrink ToUnicode table.
Patch from Arthur Hsu. Original CL: http://codereview.appspot.com/4844043/
BUG=258
Review URL: http://codereview.appspot.com/4808083
git-svn-id: http://skia.googlecode.com/svn/trunk@2075 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/ToUnicode.cpp b/tests/ToUnicode.cpp
new file mode 100644
index 0000000..ad1e0a9
--- /dev/null
+++ b/tests/ToUnicode.cpp
@@ -0,0 +1,92 @@
+
+/*
+ * Copyright 2010 The Android Open Source Project
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+
+#include <string>
+
+#include "Test.h"
+#include "SkData.h"
+#include "SkPDFTypes.h"
+#include "SkPDFFont.h"
+#include "SkStream.h"
+
+static bool stream_equals(const SkDynamicMemoryWStream& stream, size_t offset,
+ const void* buffer, size_t len) {
+ SkAutoDataUnref data(stream.copyToData());
+ if (offset + len > data.size()) {
+ return false;
+ }
+ return memcmp(data.bytes() + offset, buffer, len) == 0;
+}
+
+void append_cmap_sections(const SkTDArray<SkUnichar>& glyphToUnicode,
+ const SkPDFGlyphSet* subset,
+ SkDynamicMemoryWStream* cmap);
+static void TestToUnicode(skiatest::Reporter* reporter) {
+ SkTDArray<SkUnichar> glyphToUnicode;
+ SkTDArray<uint16_t> glyphsInSubset;
+ SkPDFGlyphSet subset;
+
+ glyphToUnicode.push(0); // 0
+ glyphToUnicode.push(0); // 1
+ glyphToUnicode.push(0); // 2
+ glyphsInSubset.push(3);
+ glyphToUnicode.push(0x20); // 3
+ glyphsInSubset.push(4);
+ glyphToUnicode.push(0x25); // 4
+ glyphsInSubset.push(5);
+ glyphToUnicode.push(0x27); // 5
+ glyphsInSubset.push(6);
+ glyphToUnicode.push(0x28); // 6
+ glyphsInSubset.push(7);
+ glyphToUnicode.push(0x29); // 7
+ glyphsInSubset.push(8);
+ glyphToUnicode.push(0x2F); // 8
+ glyphsInSubset.push(9);
+ glyphToUnicode.push(0x33); // 9
+ glyphToUnicode.push(0); // 10
+ glyphsInSubset.push(11);
+ glyphToUnicode.push(0x35); // 11
+ glyphsInSubset.push(12);
+ glyphToUnicode.push(0x36); // 12
+ for (uint16_t i = 13; i < 0xFE; ++i) {
+ glyphToUnicode.push(0); // Zero from index 0x9 to 0xFD
+ }
+ glyphsInSubset.push(0xFE);
+ glyphToUnicode.push(0x1010);
+ glyphsInSubset.push(0xFF);
+ glyphToUnicode.push(0x1011);
+ glyphsInSubset.push(0x100);
+ glyphToUnicode.push(0x1012);
+ glyphsInSubset.push(0x101);
+ glyphToUnicode.push(0x1013);
+
+ SkDynamicMemoryWStream buffer;
+ subset.set(glyphsInSubset.begin(), glyphsInSubset.count());
+ append_cmap_sections(glyphToUnicode, &subset, &buffer);
+
+ char expectedResult[] =
+"4 beginbfchar\n\
+<0003> <0020>\n\
+<0004> <0025>\n\
+<0008> <002F>\n\
+<0009> <0033>\n\
+endbfchar\n\
+4 beginbfrange\n\
+<0005> <0007> <0027>\n\
+<000B> <000C> <0035>\n\
+<00FE> <00FF> <1010>\n\
+<0100> <0101> <1012>\n\
+endbfrange\n";
+
+ REPORTER_ASSERT(reporter, stream_equals(buffer, 0, expectedResult,
+ buffer.getOffset()));
+}
+
+#include "TestClassDef.h"
+DEFINE_TESTCLASS("ToUnicode", ToUnicodeTestClass, TestToUnicode)