serialize: parameterize on pattern as well

unit/hyperscan/serialize.cpp

@@ -45,46 +45,64 @@ namespace {
 using namespace std;
 using namespace testing;
 
-static constexpr unsigned validModes[] = {
-    HS_MODE_STREAM,
+static const unsigned validModes[] = {
     HS_MODE_NOSTREAM,
+    HS_MODE_STREAM | HS_MODE_SOM_HORIZON_LARGE,
     HS_MODE_VECTORED
 };
 
-class Serializep : public TestWithParam<unsigned> {
+static const pattern testPatterns[] = {
+    pattern("hatstand.*teakettle.*badgerbrush", HS_FLAG_CASELESS, 1000),
+    pattern("hatstand.*teakettle.*badgerbrush", HS_FLAG_DOTALL, 1001),
+    pattern("hatstand|teakettle|badgerbrush", 0, 1002),
+    pattern("^hatstand|teakettle|badgerbrush$", 0, 1003),
+    pattern("foobar.{10,1000}xyzzy", HS_FLAG_DOTALL, 1004),
+    pattern("foobar.{2,501}roobar", 0, 1005),
+    pattern("abc.*def.*ghi", HS_FLAG_SOM_LEFTMOST, 1006),
+    pattern("(\\p{L}){4}", HS_FLAG_UTF8|HS_FLAG_UCP, 1007),
+    pattern("\\.(exe|pdf|gif|jpg|png|wav|riff|mp4)\\z", 0, 1008)
 };
 
+class SerializeP : public TestWithParam<tuple<unsigned, pattern>> {};
+
+static
+const char *getModeString(unsigned mode) {
+    if (mode & HS_MODE_STREAM) {
+        return "STREAM";
+    }
+    if (mode & HS_MODE_BLOCK) {
+        return "BLOCK";
+    }
+    if (mode & HS_MODE_VECTORED) {
+        return "VECTORED";
+    }
+    return "UNKNOWN";
+}
+
 // Check that we can deserialize from a char array at any alignment and the info
 // is consistent
-TEST_P(Serializep, DeserializeFromAnyAlignment) {
-    const unsigned mode = GetParam();
+TEST_P(SerializeP, DeserializeFromAnyAlignment) {
+    const unsigned mode = get<0>(GetParam());
+    const pattern &pat = get<1>(GetParam());
     SCOPED_TRACE(mode);
+    SCOPED_TRACE(pat);
 
     hs_error_t err;
-    hs_database_t *db = buildDB("hatstand.*teakettle.*badgerbrush",
-                                HS_FLAG_CASELESS, 1000, mode);
+    hs_database_t *db = buildDB(pat, mode);
     ASSERT_TRUE(db != nullptr) << "database build failed.";
 
     char *original_info = nullptr;
     err = hs_database_info(db, &original_info);
     ASSERT_EQ(HS_SUCCESS, err);
 
-    const char *mode_string = nullptr;
-    switch (mode) {
-    case HS_MODE_STREAM:
-        mode_string = "STREAM";
-        break;
-    case HS_MODE_NOSTREAM:
-        mode_string = "BLOCK";
-        break;
-    case HS_MODE_VECTORED:
-        mode_string = "VECTORED";
-        break;
-    }
+    const char *mode_string = getModeString(mode);
 
-    ASSERT_NE(nullptr, original_info) << "hs_serialized_database_info returned null.";
+    ASSERT_NE(nullptr, original_info)
+        << "hs_serialized_database_info returned null.";
     ASSERT_STREQ("Version:", string(original_info).substr(0, 8).c_str());
-    ASSERT_TRUE(strstr(original_info, mode_string) != nullptr);
+    ASSERT_TRUE(strstr(original_info, mode_string) != nullptr)
+        << "Original info \"" << original_info
+        << "\" does not contain " << mode_string;
 
     char *bytes = nullptr;
     size_t length = 0;
@@ -138,35 +156,28 @@ TEST_P(Serializep, DeserializeFromAnyAlignment) {
 
 // Check that we can deserialize_at from a char array at any alignment and the
 // info is consistent
-TEST_P(Serializep, DeserializeAtFromAnyAlignment) {
-    const unsigned mode = GetParam();
+TEST_P(SerializeP, DeserializeAtFromAnyAlignment) {
+    const unsigned mode = get<0>(GetParam());
+    const pattern &pat = get<1>(GetParam());
     SCOPED_TRACE(mode);
+    SCOPED_TRACE(pat);
 
     hs_error_t err;
-    hs_database_t *db = buildDB("hatstand.*teakettle.*badgerbrush",
-                                HS_FLAG_CASELESS, 1000, mode);
+    hs_database_t *db = buildDB(pat, mode);
     ASSERT_TRUE(db != nullptr) << "database build failed.";
 
     char *original_info;
     err = hs_database_info(db, &original_info);
     ASSERT_EQ(HS_SUCCESS, err);
 
-    const char *mode_string = nullptr;
-    switch (mode) {
-    case HS_MODE_STREAM:
-        mode_string = "STREAM";
-        break;
-    case HS_MODE_NOSTREAM:
-        mode_string = "BLOCK";
-        break;
-    case HS_MODE_VECTORED:
-        mode_string = "VECTORED";
-        break;
-    }
+    const char *mode_string = getModeString(mode);
 
-    ASSERT_NE(nullptr, original_info) << "hs_serialized_database_info returned null.";
+    ASSERT_NE(nullptr, original_info)
+        << "hs_serialized_database_info returned null.";
     ASSERT_STREQ("Version:", string(original_info).substr(0, 8).c_str());
-    ASSERT_TRUE(strstr(original_info, mode_string) != nullptr);
+    ASSERT_TRUE(strstr(original_info, mode_string) != nullptr)
+        << "Original info \"" << original_info
+        << "\" does not contain " << mode_string;
 
     char *bytes = nullptr;
     size_t length = 0;
@@ -226,8 +237,8 @@ TEST_P(Serializep, DeserializeAtFromAnyAlignment) {
     delete[] mem;
 }
 
-INSTANTIATE_TEST_CASE_P(Serialize, Serializep,
-                        ValuesIn(validModes));
+INSTANTIATE_TEST_CASE_P(Serialize, SerializeP,
+                        Combine(ValuesIn(validModes), ValuesIn(testPatterns)));
 
 // Attempt to reproduce the scenario in UE-1946.
 TEST(Serialize, CrossCompileSom) {

unit/hyperscan/test_util.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Intel Corporation
+ * Copyright (c) 2015-2017, Intel Corporation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -48,10 +48,15 @@ int record_cb(unsigned id, unsigned long long, unsigned long long to,
     return (int)c->halt;
 }
 
-std::ostream &operator<< (std::ostream &o, const MatchRecord &m) {
+std::ostream &operator<<(std::ostream &o, const MatchRecord &m) {
     return o << "[" << m.to << ", " << m.id << "]";
 }
 
+std::ostream &operator<<(std::ostream &o, const pattern &p) {
+    return o << "[" << "expr=\"" << p.expression << "\", flags=" << p.flags
+             << ", id=" << p.id << "]";
+}
+
 hs_database_t *buildDB(const vector<pattern> &patterns, unsigned int mode,
                        hs_platform_info *plat) {
     vector<const char *> expressions;

unit/hyperscan/test_util.h

@@ -53,7 +53,7 @@ struct MatchRecord {
     int id;
 };
 
-std::ostream &operator<< (std::ostream &o, const MatchRecord &m);
+std::ostream &operator<<(std::ostream &o, const MatchRecord &m);
 
 struct CallBackContext {
     CallBackContext() : halt(false) {}
@@ -79,22 +79,29 @@ int dummy_cb(unsigned, unsigned long long, unsigned long long, unsigned,
 
 struct pattern {
     std::string expression;
-    unsigned int flags;
-    unsigned int id;
+    unsigned int flags = 0;
+    unsigned int id = 0;
     hs_expr_ext ext;
 
-    pattern(const std::string &expression_in, unsigned int flags_in = 0,
-            unsigned int id_in = 0) : expression(expression_in),
-                                      flags(flags_in), id(id_in) {
+    // We need a default constructor for combining in parameterised tests.
+    pattern() {
         memset(&ext, 0, sizeof(ext));
     }
 
-    pattern(const std::string &expression_in, unsigned int flags_in,
-            unsigned int id_in, const hs_expr_ext &ext_in) :
-                expression(expression_in), flags(flags_in), id(id_in),
-                ext(ext_in) { }
+    explicit pattern(std::string expression_in,
+                     unsigned int flags_in = 0, unsigned int id_in = 0)
+        : expression(std::move(expression_in)), flags(flags_in), id(id_in) {
+        memset(&ext, 0, sizeof(ext));
+    }
+
+    pattern(std::string expression_in, unsigned int flags_in,
+            unsigned int id_in, hs_expr_ext ext_in)
+        : expression(std::move(expression_in)), flags(flags_in), id(id_in),
+          ext(std::move(ext_in)) {}
 };
 
+std::ostream &operator<<(std::ostream &o, const pattern &p);
+
 hs_database_t *buildDB(const std::vector<pattern> &patterns, unsigned int mode,
                        hs_platform_info *plat = nullptr);
 hs_database_t *buildDB(const pattern &pat, unsigned int mode);