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Unified Diff: test/cff_type2_charstring_test.cc

Issue 3027049: Addressed Tavis's comments in http://codereview.chromium.org/3023041/.... (Closed) Base URL: http://ots.googlecode.com/svn/trunk/
Patch Set: '' Created 10 years, 4 months ago
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Index: test/cff_type2_charstring_test.cc
===================================================================
--- test/cff_type2_charstring_test.cc (revision 0)
+++ test/cff_type2_charstring_test.cc (revision 0)
@@ -0,0 +1,1588 @@
+// Copyright (c) 2010 The Chromium 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 "cff_type2_charstring.h"
+
+#include <gtest/gtest.h>
+
+#include <climits>
+#include <vector>
+
+#include "cff.h"
+
+// Returns a biased number for callsubr and callgsubr operators.
+#define GET_SUBR_NUMBER(n) ((n) - 107)
+#define ARRAYSIZE(a) (sizeof(a) / sizeof(a[0]))
+
+namespace {
+
+// A constant which is used in AddSubr function below.
+const int kOpPrefix = INT_MAX;
+
+// Encodes an operator |op| to 1 or more bytes and pushes them to |out_bytes|.
+// Returns true if the conversion succeeds.
+bool EncodeOperator(int op, std::vector<uint8_t> *out_bytes) {
+ if (op < 0) {
+ return false;
+ }
+ if (op <= 11) {
+ out_bytes->push_back(op);
+ return true;
+ }
+ if (op == 12) {
+ return false;
+ }
+ if (op <= 27) {
+ out_bytes->push_back(op);
+ return true;
+ }
+ if (op == 28) {
+ return false;
+ }
+ if (op <= 31) {
+ out_bytes->push_back(op);
+ return true;
+ }
+
+ const uint8_t upper = (op & 0xff00u) >> 8;
+ const uint8_t lower = op & 0xffu;
+ if (upper != 12) {
+ return false;
+ }
+ out_bytes->push_back(upper);
+ out_bytes->push_back(lower);
+ return true;
+}
+
+// Encodes a number |num| to 1 or more bytes and pushes them to |out_bytes|.
+// Returns true if the conversion succeeds. The function does not support 16.16
+// Fixed number.
+bool EncodeNumber(int num, std::vector<uint8_t> *out_bytes) {
+ if (num >= -107 && num <= 107) {
+ out_bytes->push_back(num + 139);
+ return true;
+ }
+ if (num >= 108 && num <= 1131) {
+ const uint8_t v = ((num - 108) / 256) + 247;
+ const uint8_t w = (num - 108) % 256;
+ out_bytes->push_back(v);
+ out_bytes->push_back(w);
+ return true;
+ }
+ if (num <= -108 && num >= -1131) {
+ const uint8_t v = (-(num + 108) / 256) + 251;
+ const uint8_t w = -(num + 108) % 256;
+ out_bytes->push_back(v);
+ out_bytes->push_back(w);
+ return true;
+ }
+ if (num <= -32768 && num >= -32767) {
+ const uint8_t v = (num % 0xff00u) >> 8;
+ const uint8_t w = num % 0xffu;
+ out_bytes->push_back(28);
+ out_bytes->push_back(v);
+ out_bytes->push_back(w);
+ return true;
+ }
+ return false;
+}
+
+// Adds a subroutine |subr| to |out_buffer| and |out_subr|. The contents of the
+// subroutine is copied to |out_buffer|, and then the position of the subroutine
+// in |out_buffer| is written to |out_subr|. Returns true on success.
+bool AddSubr(const int *subr, size_t subr_len,
+ std::vector<uint8_t>* out_buffer, ots::CFFIndex *out_subr) {
+ size_t pre_offset = out_buffer->size();
+ for (size_t i = 0; i < subr_len; ++i) {
+ if (subr[i] != kOpPrefix) {
+ if (!EncodeNumber(subr[i], out_buffer)) {
+ return false;
+ }
+ } else {
+ if (i + 1 == subr_len) {
+ return false;
+ }
+ ++i;
+ if (!EncodeOperator(subr[i], out_buffer)) {
+ return false;
+ }
+ }
+ }
+
+ ++(out_subr->count);
+ out_subr->off_size = 1;
+ if (out_subr->offsets.empty()) {
+ out_subr->offsets.push_back(pre_offset);
+ }
+ out_subr->offsets.push_back(out_buffer->size());
+ return true;
+}
+
+// Validates |char_string| and returns true if it's valid.
+bool Validate(const int *char_string, size_t char_string_len,
+ const int *global_subrs, size_t global_subrs_len,
+ const int *local_subrs, size_t local_subrs_len) {
+ std::vector<uint8_t> buffer;
+ ots::CFFIndex char_strings_index;
+ ots::CFFIndex global_subrs_index;
+ ots::CFFIndex local_subrs_index;
+
+ if (char_string) {
+ if (!AddSubr(char_string, char_string_len,
+ &buffer, &char_strings_index)) {
+ return false;
+ }
+ }
+ if (global_subrs) {
+ if (!AddSubr(global_subrs, global_subrs_len,
+ &buffer, &global_subrs_index)) {
+ return false;
+ }
+ }
+ if (local_subrs) {
+ if (!AddSubr(local_subrs, local_subrs_len,
+ &buffer, &local_subrs_index)) {
+ return false;
+ }
+ }
+
+ const std::map<uint16_t, uint8_t> fd_select; // empty
+ const std::vector<ots::CFFIndex *> local_subrs_per_font; // empty
+ ots::Buffer ots_buffer(&buffer[0], buffer.size());
+
+ return ots::ValidateType2CharStringIndex(char_strings_index,
+ global_subrs_index,
+ fd_select,
+ local_subrs_per_font,
+ &local_subrs_index,
+ &ots_buffer);
+}
+
+// Validates |char_string| and returns true if it's valid.
+bool ValidateCharStrings(const int *char_string, size_t char_string_len) {
+ return Validate(char_string, char_string_len, NULL, 0, NULL, 0);
+}
+
+} // namespace
+
+TEST(ValidateTest, TestRMoveTo) {
+ {
+ const int char_string[] = {
+ 1, 2, kOpPrefix, ots::kRMoveTo,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, // width
+ 1, 2, kOpPrefix, ots::kRMoveTo,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, kOpPrefix, ots::kRMoveTo,
+ 1, 2, 3, kOpPrefix, ots::kRMoveTo, // invalid number of args
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestHMoveTo) {
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kHMoveTo,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, // width
+ 1, kOpPrefix, ots::kHMoveTo,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kHMoveTo,
+ 1, 2, kOpPrefix, ots::kHMoveTo, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestVMoveTo) {
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, // width
+ 1, kOpPrefix, ots::kVMoveTo,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, kOpPrefix, ots::kVMoveTo, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestRLineTo) {
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, kOpPrefix, ots::kRLineTo,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, kOpPrefix, ots::kRLineTo, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, kOpPrefix, ots::kRLineTo,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, kOpPrefix, ots::kRLineTo, // can't be the first op.
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestHLineTo) {
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, kOpPrefix, ots::kHLineTo,
+ 1, 2, kOpPrefix, ots::kHLineTo,
+ 1, 2, 3, kOpPrefix, ots::kHLineTo,
+ 1, 2, 3, 4, kOpPrefix, ots::kHLineTo,
+ 1, 2, 3, 4, 5, kOpPrefix, ots::kHLineTo,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ kOpPrefix, ots::kHLineTo, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kHLineTo, // can't be the first op.
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestVLineTo) {
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, kOpPrefix, ots::kVLineTo,
+ 1, 2, kOpPrefix, ots::kVLineTo,
+ 1, 2, 3, kOpPrefix, ots::kVLineTo,
+ 1, 2, 3, 4, kOpPrefix, ots::kVLineTo,
+ 1, 2, 3, 4, 5, kOpPrefix, ots::kVLineTo,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ kOpPrefix, ots::kVLineTo, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVLineTo, // can't be the first op.
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestRRCurveTo) {
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, 5, 6, kOpPrefix, ots::kRRCurveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, kOpPrefix, ots::kRRCurveTo,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ kOpPrefix, ots::kRRCurveTo, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, 3, 4, 5, 6, kOpPrefix, ots::kRRCurveTo, // can't be the first op.
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestHHCurveTo) {
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, kOpPrefix, ots::kHHCurveTo,
+ 1, 2, 3, 4, 5, kOpPrefix, ots::kHHCurveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, kOpPrefix, ots::kHHCurveTo,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, kOpPrefix, ots::kHHCurveTo, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, kOpPrefix, ots::kHHCurveTo, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, 3, 4, 5, kOpPrefix, ots::kHHCurveTo, // can't be the first op.
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestHVCurveTo) {
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ // The first form.
+ 1, 2, 3, 4, kOpPrefix, ots::kHVCurveTo,
+ 1, 2, 3, 4, 5, kOpPrefix, ots::kHVCurveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, kOpPrefix, ots::kHVCurveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
+ kOpPrefix, ots::kHVCurveTo,
+ // The second form.
+ 1, 2, 3, 4, 5, 6, 7, 8, kOpPrefix, ots::kHVCurveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, kOpPrefix, ots::kHVCurveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
+ kOpPrefix, ots::kHVCurveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
+ 22, 23, 24, 25, kOpPrefix, ots::kHVCurveTo,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, kOpPrefix, ots::kHVCurveTo, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, kOpPrefix, ots::kHVCurveTo, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, 3, 4, kOpPrefix, ots::kHVCurveTo, // can't be the first op.
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestRCurveLine) {
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, kOpPrefix, ots::kRCurveLine,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
+ kOpPrefix, ots::kRCurveLine,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, 5, 6, 7, kOpPrefix, ots::kRCurveLine, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ // can't be the first op.
+ 1, 2, 3, 4, 5, 6, 7, 8, kOpPrefix, ots::kRCurveLine,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestRLineCurve) {
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, kOpPrefix, ots::kRLineCurve,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, kOpPrefix, ots::kRLineCurve,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, 5, 6, 7, kOpPrefix, ots::kRLineCurve, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ // can't be the first op.
+ 1, 2, 3, 4, 5, 6, 7, 8, kOpPrefix, ots::kRLineCurve,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestVHCurveTo) {
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ // The first form.
+ 1, 2, 3, 4, kOpPrefix, ots::kVHCurveTo,
+ 1, 2, 3, 4, 5, kOpPrefix, ots::kVHCurveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, kOpPrefix, ots::kVHCurveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
+ kOpPrefix, ots::kVHCurveTo,
+ // The second form.
+ 1, 2, 3, 4, 5, 6, 7, 8, kOpPrefix, ots::kVHCurveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, kOpPrefix, ots::kVHCurveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
+ kOpPrefix, ots::kVHCurveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
+ 22, 23, 24, 25, kOpPrefix, ots::kVHCurveTo,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, kOpPrefix, ots::kVHCurveTo, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, kOpPrefix, ots::kVHCurveTo, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, 3, 4, kOpPrefix, ots::kVHCurveTo, // can't be the first op.
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestVVCurveTo) {
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, kOpPrefix, ots::kVVCurveTo,
+ 1, 2, 3, 4, 5, kOpPrefix, ots::kVVCurveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, kOpPrefix, ots::kVVCurveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, kOpPrefix, ots::kVVCurveTo,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ kOpPrefix, ots::kVVCurveTo, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, kOpPrefix, ots::kVVCurveTo, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, 3, 4, kOpPrefix, ots::kVVCurveTo, // can't be the first op.
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestFlex) {
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, kOpPrefix, ots::kFlex,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ kOpPrefix, ots::kFlex, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, kOpPrefix, ots::kFlex, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, kOpPrefix, ots::kFlex,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestHFlex) {
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, 5, 6, 7, kOpPrefix, ots::kHFlex,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ kOpPrefix, ots::kHFlex, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, 5, 6, kOpPrefix, ots::kHFlex, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, 3, 4, 5, 6, 7, kOpPrefix, ots::kHFlex,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestHFlex1) {
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, kOpPrefix, ots::kHFlex1,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ kOpPrefix, ots::kHFlex1, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, kOpPrefix, ots::kHFlex1, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, kOpPrefix, ots::kHFlex1,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestFlex1) {
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, kOpPrefix, ots::kFlex1,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ kOpPrefix, ots::kFlex1, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, kOpPrefix, ots::kFlex1, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, kOpPrefix, ots::kFlex1,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestEndChar) {
+ {
+ const int char_string[] = {
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ GET_SUBR_NUMBER(0), kOpPrefix, ots::kCallSubr,
+ };
+ const int local_subrs[] = {
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(Validate(char_string, ARRAYSIZE(char_string),
+ NULL, 0,
+ local_subrs, ARRAYSIZE(local_subrs)));
+ }
+ {
+ const int char_string[] = {
+ GET_SUBR_NUMBER(0), kOpPrefix, ots::kCallGSubr,
+ };
+ const int global_subrs[] = {
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(Validate(char_string, ARRAYSIZE(char_string),
+ global_subrs, ARRAYSIZE(global_subrs),
+ NULL, 0));
+ }
+}
+
+TEST(ValidateTest, TestHStem) {
+ {
+ const int char_string[] = {
+ 1, 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, 3, 4, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 0, // width
+ 1, 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 0, 1, 2, kOpPrefix, ots::kHStem, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, 5, kOpPrefix, ots::kHStem, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestVStem) {
+ {
+ const int char_string[] = {
+ 1, 2, kOpPrefix, ots::kVStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, 3, 4, kOpPrefix, ots::kVStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 0, // width
+ 1, 2, kOpPrefix, ots::kVStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 0, 1, 2, kOpPrefix, ots::kVStem, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, 5, kOpPrefix, ots::kVStem, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestHStemHm) {
+ {
+ const int char_string[] = {
+ 1, 2, kOpPrefix, ots::kHStemHm,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, 3, 4, kOpPrefix, ots::kHStemHm,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 0, // width
+ 1, 2, kOpPrefix, ots::kHStemHm,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 0, 1, 2, kOpPrefix, ots::kHStemHm, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, 5, kOpPrefix, ots::kHStemHm, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestVStemHm) {
+ {
+ const int char_string[] = {
+ 1, 2, kOpPrefix, ots::kVStemHm,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, 3, 4, kOpPrefix, ots::kVStemHm,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 0, // width
+ 1, 2, kOpPrefix, ots::kVStemHm,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 0, 1, 2, kOpPrefix, ots::kVStemHm, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kVMoveTo,
+ 1, 2, 3, 4, 5, kOpPrefix, ots::kVStemHm, // invalid
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestHintMask) {
+ {
+ const int char_string[] = {
+ 1, 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kHintMask, 0x00,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, kOpPrefix, ots::kHStem,
+ 3, 4, 5, 6, kOpPrefix, ots::kHintMask, 0x00, // vstem
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ kOpPrefix, ots::kHintMask, 0x00, // no stems to mask
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, kOpPrefix, ots::kHStem,
+ 3, 4, 5, kOpPrefix, ots::kHintMask, 0x00, // invalid vstem
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestCntrMask) {
+ {
+ const int char_string[] = {
+ 1, 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kCntrMask, 0x00,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, kOpPrefix, ots::kHStem,
+ 3, 4, 5, 6, kOpPrefix, ots::kCntrMask, 0x00, // vstem
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ kOpPrefix, ots::kCntrMask, 0x00, // no stems to mask
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, kOpPrefix, ots::kHStem,
+ 3, 4, 5, kOpPrefix, ots::kCntrMask, 0x00, // invalid vstem
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestAbs) {
+ {
+ const int char_string[] = {
+ -1, kOpPrefix, ots::kAbs,
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ kOpPrefix, ots::kAbs, // invalid
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestAdd) {
+ {
+ const int char_string[] = {
+ 0, 1, kOpPrefix, ots::kAdd,
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kAdd, // invalid
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestSub) {
+ {
+ const int char_string[] = {
+ 2, 1, kOpPrefix, ots::kSub,
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kSub, // invalid
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestDiv) {
+ // TODO(yusukes): Test div-by-zero.
+ {
+ const int char_string[] = {
+ 2, 1, kOpPrefix, ots::kDiv,
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kDiv, // invalid
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestNeg) {
+ {
+ const int char_string[] = {
+ -1, kOpPrefix, ots::kNeg,
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ kOpPrefix, ots::kNeg, // invalid
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestRandom) {
+ {
+ const int char_string[] = {
+ kOpPrefix, ots::kRandom, // OTS rejects the operator.
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestMul) {
+ {
+ const int char_string[] = {
+ 2, 1, kOpPrefix, ots::kMul,
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kMul, // invalid
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestSqrt) {
+ // TODO(yusukes): Test negative numbers.
+ {
+ const int char_string[] = {
+ 4, kOpPrefix, ots::kSqrt,
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ kOpPrefix, ots::kSqrt, // invalid
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestDrop) {
+ {
+ const int char_string[] = {
+ 1, 1, kOpPrefix, ots::kAdd,
+ kOpPrefix, ots::kDrop,
+ 1, 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ kOpPrefix, ots::kDrop, // invalid
+ 1, 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestExch) {
+ {
+ const int char_string[] = {
+ 1, 1, kOpPrefix, ots::kAdd,
+ kOpPrefix, ots::kDup,
+ kOpPrefix, ots::kExch,
+ kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 1, kOpPrefix, ots::kAdd,
+ kOpPrefix, ots::kExch, // invalid
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestIndex) {
+ {
+ const int char_string[] = {
+ 1, 2, 3, -1, kOpPrefix, ots::kIndex, // OTS rejects the operator.
+ kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestRoll) {
+ {
+ const int char_string[] = {
+ 1, 2, 2, 1, kOpPrefix, ots::kRoll, // OTS rejects the operator.
+ kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestDup) {
+ {
+ const int char_string[] = {
+ 1, 1, kOpPrefix, ots::kAdd,
+ kOpPrefix, ots::kDup,
+ kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ kOpPrefix, ots::kDup, // invalid
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestPut) {
+ {
+ const int char_string[] = {
+ 1, 10, kOpPrefix, ots::kPut, // OTS rejects the operator.
+ 1, 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestGet) {
+ {
+ const int char_string[] = {
+ 1, 10, kOpPrefix, ots::kGet, // OTS rejects the operator.
+ 1, 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestAnd) {
+ {
+ const int char_string[] = {
+ 2, 1, kOpPrefix, ots::kAnd,
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kAnd, // invalid
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestOr) {
+ {
+ const int char_string[] = {
+ 2, 1, kOpPrefix, ots::kOr,
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kOr, // invalid
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestNot) {
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kNot,
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ kOpPrefix, ots::kNot, // invalid
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestEq) {
+ {
+ const int char_string[] = {
+ 2, 1, kOpPrefix, ots::kEq,
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, kOpPrefix, ots::kEq, // invalid
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestIfElse) {
+ {
+ const int char_string[] = {
+ 1, 2, 3, 4, kOpPrefix, ots::kIfElse,
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, 3, kOpPrefix, ots::kIfElse, // invalid
+ 2, kOpPrefix, ots::kHStem,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestCallSubr) {
+ // Call valid subr.
+ {
+ const int char_string[] = {
+ GET_SUBR_NUMBER(0), kOpPrefix, ots::kCallSubr,
+ };
+ const int local_subrs[] = {
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(Validate(char_string, ARRAYSIZE(char_string),
+ NULL, 0,
+ local_subrs, ARRAYSIZE(local_subrs)));
+ }
+ // Call undefined subr.
+ {
+ const int char_string[] = {
+ GET_SUBR_NUMBER(-1), kOpPrefix, ots::kCallSubr,
+ };
+ const int local_subrs[] = {
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(Validate(char_string, ARRAYSIZE(char_string),
+ NULL, 0,
+ local_subrs, ARRAYSIZE(local_subrs)));
+ }
+ {
+ const int char_string[] = {
+ GET_SUBR_NUMBER(1), kOpPrefix, ots::kCallSubr,
+ };
+ const int local_subrs[] = {
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(Validate(char_string, ARRAYSIZE(char_string),
+ NULL, 0,
+ local_subrs, ARRAYSIZE(local_subrs)));
+ }
+ {
+ const int char_string[] = {
+ GET_SUBR_NUMBER(-1), kOpPrefix, ots::kCallSubr,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ GET_SUBR_NUMBER(0), kOpPrefix, ots::kCallSubr,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ GET_SUBR_NUMBER(1), kOpPrefix, ots::kCallSubr,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestCallGSubr) {
+ // Call valid subr.
+ {
+ const int char_string[] = {
+ GET_SUBR_NUMBER(0), kOpPrefix, ots::kCallGSubr,
+ };
+ const int global_subrs[] = {
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(Validate(char_string, ARRAYSIZE(char_string),
+ global_subrs, ARRAYSIZE(global_subrs),
+ NULL, 0));
+ }
+ // Call undefined subr.
+ {
+ const int char_string[] = {
+ GET_SUBR_NUMBER(-1), kOpPrefix, ots::kCallGSubr,
+ };
+ const int global_subrs[] = {
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(Validate(char_string, ARRAYSIZE(char_string),
+ global_subrs, ARRAYSIZE(global_subrs),
+ NULL, 0));
+ }
+ {
+ const int char_string[] = {
+ GET_SUBR_NUMBER(1), kOpPrefix, ots::kCallGSubr,
+ };
+ const int global_subrs[] = {
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(Validate(char_string, ARRAYSIZE(char_string),
+ global_subrs, ARRAYSIZE(global_subrs),
+ NULL, 0));
+ }
+ {
+ const int char_string[] = {
+ GET_SUBR_NUMBER(-1), kOpPrefix, ots::kCallGSubr,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ GET_SUBR_NUMBER(0), kOpPrefix, ots::kCallGSubr,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ GET_SUBR_NUMBER(1), kOpPrefix, ots::kCallGSubr,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestCallGSubrWithComputedValues) {
+ {
+ // OTS does not allow to call(g)subr with a subroutine number which is
+ // not a immediate value for safety.
+ const int char_string[] = {
+ 0, 0, kOpPrefix, ots::kAdd,
+ kOpPrefix, ots::kCallGSubr,
+ };
+ const int global_subrs[] = {
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(Validate(char_string, ARRAYSIZE(char_string),
+ global_subrs, ARRAYSIZE(global_subrs),
+ NULL, 0));
+ }
+}
+
+TEST(ValidateTest, TestInfiniteLoop) {
+ {
+ const int char_string[] = {
+ GET_SUBR_NUMBER(0), kOpPrefix, ots::kCallSubr,
+ };
+ const int local_subrs[] = {
+ GET_SUBR_NUMBER(0), kOpPrefix, ots::kCallSubr,
+ };
+ EXPECT_FALSE(Validate(char_string, ARRAYSIZE(char_string),
+ NULL, 0,
+ local_subrs, ARRAYSIZE(local_subrs)));
+ }
+ {
+ const int char_string[] = {
+ GET_SUBR_NUMBER(0), kOpPrefix, ots::kCallGSubr,
+ };
+ const int global_subrs[] = {
+ GET_SUBR_NUMBER(0), kOpPrefix, ots::kCallGSubr,
+ };
+ EXPECT_FALSE(Validate(char_string, ARRAYSIZE(char_string),
+ global_subrs, ARRAYSIZE(global_subrs),
+ NULL, 0));
+ }
+ // mutual recursion which doesn't stop.
+ {
+ const int char_string[] = {
+ GET_SUBR_NUMBER(0), kOpPrefix, ots::kCallSubr,
+ };
+ const int global_subrs[] = {
+ GET_SUBR_NUMBER(0), kOpPrefix, ots::kCallSubr,
+ };
+ const int local_subrs[] = {
+ GET_SUBR_NUMBER(0), kOpPrefix, ots::kCallGSubr,
+ };
+ EXPECT_FALSE(Validate(char_string, ARRAYSIZE(char_string),
+ global_subrs, ARRAYSIZE(global_subrs),
+ local_subrs, ARRAYSIZE(local_subrs)));
+ }
+}
+
+TEST(ValidateTest, TestStackOverflow) {
+ {
+ const int char_string[] = {
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
+ 1, 2, 3, 4, 5, 6, 7, 8,
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_TRUE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
+ 1, 2, 3, 4, 5, 6, 7, 8, 9, // overflow
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestDeprecatedOperators) {
+ {
+ const int char_string[] = {
+ kOpPrefix, (12 << 8) + 0, // dotsection operator, which is not supported.
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ kOpPrefix, 16, // 'blend'.
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ kOpPrefix, (12 << 8) + 8, // 'store'.
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ kOpPrefix, (12 << 8) + 13, // 'load'.
+ kOpPrefix, ots::kEndChar,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
+
+TEST(ValidateTest, TestUnterminatedCharString) {
+ // No endchar operator.
+ {
+ const int char_string[] = {
+ 123,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 123, 456,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+ {
+ const int char_string[] = {
+ 123, 456, kOpPrefix, ots::kReturn,
+ };
+ EXPECT_FALSE(ValidateCharStrings(char_string, ARRAYSIZE(char_string)));
+ }
+}
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