blob: a2a76cfeed2ae9cf242bdc1b3d5ec736f0ca841f [file] [log] [blame]
// 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)));
}
}