File size: 8,136 Bytes
864071c | 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 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 | #include "unity/unity.h"
#define PCRE2_CODE_UNIT_WIDTH 8
#include "pcre2.h"
#include "pcre2_compile.h"
#include <string.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdbool.h>
/* The wrapper is defined in the module under test. We declare it with a
void* for the first parameter to avoid needing eclass_context's definition. */
extern BOOL test_compile_eclass_nested(void *context,
BOOL negated,
uint32_t **pptr,
PCRE2_UCHAR **pcode,
eclass_op_info *pop_info,
PCRE2_SIZE *lengthptr);
static void assert_bits_all(uint8_t *bits, uint8_t value)
{
for (int i = 0; i < 32; i++)
{
TEST_ASSERT_EQUAL_HEX8_MESSAGE(value, bits[i], "Bitset value mismatch");
}
}
static void assert_single_op(const eclass_op_info *info, int expected_op)
{
TEST_ASSERT_EQUAL_UINT_MESSAGE(1, info->length, "Expected single opcode length");
TEST_ASSERT_EQUAL_INT_MESSAGE(expected_op, info->op_single_type, "op_single_type mismatch");
TEST_ASSERT_NOT_NULL(info->code_start);
TEST_ASSERT_EQUAL_INT8_MESSAGE((int8_t)expected_op, (int8_t)info->code_start[0], "Emitted opcode mismatch");
}
void setUp(void) {
/* Setup code here, or leave empty */
}
void tearDown(void) {
/* Cleanup code here, or leave empty */
}
/* [] => NONE */
void test_compile_eclass_nested_empty_returns_none(void)
{
uint32_t tokens[] = {
(META_CLASS | CLASS_IS_ECLASS),
META_CLASS_EMPTY,
META_CLASS_END
};
uint32_t *ptr = tokens;
PCRE2_UCHAR codebuf[16] = {0};
PCRE2_UCHAR *code = codebuf;
eclass_op_info info;
BOOL ok = test_compile_eclass_nested(NULL, FALSE, &ptr, &code, &info, NULL);
TEST_ASSERT_TRUE(ok);
TEST_ASSERT_EQUAL_UINT32(META_CLASS_END, *ptr);
assert_single_op(&info, ECL_NONE);
assert_bits_all(info.bits.classbits, 0x00);
TEST_ASSERT_EQUAL_PTR(info.code_start + info.length, code);
}
/* [^] (via META_CLASS_NOT around a nested class with empty) => ANY */
void test_compile_eclass_nested_empty_with_outer_not_returns_any(void)
{
uint32_t tokens[] = {
(META_CLASS_NOT | CLASS_IS_ECLASS),
META_CLASS_EMPTY,
META_CLASS_END
};
uint32_t *ptr = tokens;
PCRE2_UCHAR codebuf[16] = {0};
PCRE2_UCHAR *code = codebuf;
eclass_op_info info;
BOOL ok = test_compile_eclass_nested(NULL, FALSE, &ptr, &code, &info, NULL);
TEST_ASSERT_TRUE(ok);
TEST_ASSERT_EQUAL_UINT32(META_CLASS_END, *ptr);
assert_single_op(&info, ECL_ANY);
assert_bits_all(info.bits.classbits, 0xFF);
TEST_ASSERT_EQUAL_PTR(info.code_start + info.length, code);
}
/* ![] (META_ECLASS_NOT unary) => ANY */
void test_compile_eclass_nested_unary_not_operator(void)
{
uint32_t tokens[] = {
(META_CLASS | CLASS_IS_ECLASS),
META_ECLASS_NOT,
META_CLASS_EMPTY,
META_CLASS_END
};
uint32_t *ptr = tokens;
PCRE2_UCHAR codebuf[16] = {0};
PCRE2_UCHAR *code = codebuf;
eclass_op_info info;
BOOL ok = test_compile_eclass_nested(NULL, FALSE, &ptr, &code, &info, NULL);
TEST_ASSERT_TRUE(ok);
TEST_ASSERT_EQUAL_UINT32(META_CLASS_END, *ptr);
assert_single_op(&info, ECL_ANY);
assert_bits_all(info.bits.classbits, 0xFF);
TEST_ASSERT_EQUAL_PTR(info.code_start + info.length, code);
}
/* [] && [^] => NONE */
void test_compile_eclass_nested_binary_and_folding(void)
{
uint32_t tokens[] = {
(META_CLASS | CLASS_IS_ECLASS),
META_CLASS_EMPTY,
META_ECLASS_AND,
META_CLASS_EMPTY_NOT,
META_CLASS_END
};
uint32_t *ptr = tokens;
PCRE2_UCHAR codebuf[32] = {0};
PCRE2_UCHAR *code = codebuf;
eclass_op_info info;
BOOL ok = test_compile_eclass_nested(NULL, FALSE, &ptr, &code, &info, NULL);
TEST_ASSERT_TRUE(ok);
TEST_ASSERT_EQUAL_UINT32(META_CLASS_END, *ptr);
assert_single_op(&info, ECL_NONE);
assert_bits_all(info.bits.classbits, 0x00);
TEST_ASSERT_EQUAL_PTR(info.code_start + info.length, code);
}
/* [] || [^] => ANY */
void test_compile_eclass_nested_binary_or_folding(void)
{
uint32_t tokens[] = {
(META_CLASS | CLASS_IS_ECLASS),
META_CLASS_EMPTY,
META_ECLASS_OR,
META_CLASS_EMPTY_NOT,
META_CLASS_END
};
uint32_t *ptr = tokens;
PCRE2_UCHAR codebuf[32] = {0};
PCRE2_UCHAR *code = codebuf;
eclass_op_info info;
BOOL ok = test_compile_eclass_nested(NULL, FALSE, &ptr, &code, &info, NULL);
TEST_ASSERT_TRUE(ok);
TEST_ASSERT_EQUAL_UINT32(META_CLASS_END, *ptr);
assert_single_op(&info, ECL_ANY);
assert_bits_all(info.bits.classbits, 0xFF);
TEST_ASSERT_EQUAL_PTR(info.code_start + info.length, code);
}
/* [^] -- [^] => ANY && !ANY => NONE */
void test_compile_eclass_nested_binary_sub_folding(void)
{
uint32_t tokens[] = {
(META_CLASS | CLASS_IS_ECLASS),
META_CLASS_EMPTY_NOT,
META_ECLASS_SUB,
META_CLASS_EMPTY_NOT,
META_CLASS_END
};
uint32_t *ptr = tokens;
PCRE2_UCHAR codebuf[32] = {0};
PCRE2_UCHAR *code = codebuf;
eclass_op_info info;
BOOL ok = test_compile_eclass_nested(NULL, FALSE, &ptr, &code, &info, NULL);
TEST_ASSERT_TRUE(ok);
TEST_ASSERT_EQUAL_UINT32(META_CLASS_END, *ptr);
assert_single_op(&info, ECL_NONE);
assert_bits_all(info.bits.classbits, 0x00);
TEST_ASSERT_EQUAL_PTR(info.code_start + info.length, code);
}
/* [^] XOR [^] => NONE */
void test_compile_eclass_nested_binary_xor_folding(void)
{
uint32_t tokens[] = {
(META_CLASS | CLASS_IS_ECLASS),
META_CLASS_EMPTY_NOT,
META_ECLASS_XOR,
META_CLASS_EMPTY_NOT,
META_CLASS_END
};
uint32_t *ptr = tokens;
PCRE2_UCHAR codebuf[32] = {0};
PCRE2_UCHAR *code = codebuf;
eclass_op_info info;
BOOL ok = test_compile_eclass_nested(NULL, FALSE, &ptr, &code, &info, NULL);
TEST_ASSERT_TRUE(ok);
TEST_ASSERT_EQUAL_UINT32(META_CLASS_END, *ptr);
assert_single_op(&info, ECL_NONE);
assert_bits_all(info.bits.classbits, 0x00);
TEST_ASSERT_EQUAL_PTR(info.code_start + info.length, code);
}
/* Nested class inside: ([^]) && ([]) => NONE */
void test_compile_eclass_nested_with_nested_operand(void)
{
uint32_t tokens[] = {
(META_CLASS | CLASS_IS_ECLASS),
/* Nested start */
(META_CLASS | CLASS_IS_ECLASS),
META_CLASS_EMPTY_NOT, /* inner => ANY */
META_CLASS_END, /* end inner */
META_ECLASS_AND,
META_CLASS_EMPTY, /* outer RHS => NONE */
META_CLASS_END /* end outer */
};
uint32_t *ptr = tokens;
PCRE2_UCHAR codebuf[32] = {0};
PCRE2_UCHAR *code = codebuf;
eclass_op_info info;
BOOL ok = test_compile_eclass_nested(NULL, FALSE, &ptr, &code, &info, NULL);
TEST_ASSERT_TRUE(ok);
TEST_ASSERT_EQUAL_UINT32(META_CLASS_END, *ptr);
assert_single_op(&info, ECL_NONE);
assert_bits_all(info.bits.classbits, 0x00);
TEST_ASSERT_EQUAL_PTR(info.code_start + info.length, code);
}
/* lengthptr counting for a single operand: should be 1 */
void test_compile_eclass_nested_lengthptr_single_operand_counts_one(void)
{
uint32_t tokens[] = {
(META_CLASS | CLASS_IS_ECLASS),
META_CLASS_EMPTY_NOT, /* ANY */
META_CLASS_END
};
uint32_t *ptr = tokens;
PCRE2_UCHAR codebuf[16] = {0};
PCRE2_UCHAR *code = codebuf;
eclass_op_info info;
PCRE2_SIZE length = 0;
BOOL ok = test_compile_eclass_nested(NULL, FALSE, &ptr, &code, &info, &length);
TEST_ASSERT_TRUE(ok);
TEST_ASSERT_EQUAL_UINT32(META_CLASS_END, *ptr);
TEST_ASSERT_EQUAL_UINT(1, length);
/* In lengthptr mode, code pointer should not advance. */
TEST_ASSERT_EQUAL_PTR(codebuf, code);
}
int main(void)
{
UNITY_BEGIN();
RUN_TEST(test_compile_eclass_nested_empty_returns_none);
RUN_TEST(test_compile_eclass_nested_empty_with_outer_not_returns_any);
RUN_TEST(test_compile_eclass_nested_unary_not_operator);
RUN_TEST(test_compile_eclass_nested_binary_and_folding);
RUN_TEST(test_compile_eclass_nested_binary_or_folding);
RUN_TEST(test_compile_eclass_nested_binary_sub_folding);
RUN_TEST(test_compile_eclass_nested_binary_xor_folding);
RUN_TEST(test_compile_eclass_nested_with_nested_operand);
RUN_TEST(test_compile_eclass_nested_lengthptr_single_operand_counts_one);
return UNITY_END();
} |