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Add unit test for bindNoCopy()

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This commit is contained in:
Sébastien Rombauts 2016-07-07 21:49:05 +02:00
parent 5056c29f9e
commit ed052a36bd
3 changed files with 51 additions and 1 deletions
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1
include/SQLiteCpp/Column.h
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@ -104,7 +104,6 @@ public:
* @brief Return a std::string for a TEXT or BLOB column.
*
* Note this correctly handles strings that contain null bytes.
*
*/
std::string getString() const noexcept; // nothrow

12
include/SQLiteCpp/Statement.h
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@ -139,12 +139,16 @@ public:
/**
* @brief Bind a string value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement (aIndex >= 1).
*
* The string can contain null characters as it is binded using its size.
*
* @warning Uses the SQLITE_STATIC flag, avoiding a copy of the data. The string must remains unchanged while executing the statement.
*/
void bindNoCopy(const int aIndex, const std::string& aValue);
/**
* @brief Bind a text value to a parameter "?", "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement (aIndex >= 1)
*
* Main usage is with null-terminated literal text (aka in code static strings)
*
* @warning Uses the SQLITE_STATIC flag, avoiding a copy of the data. The string must remains unchanged while executing the statement.
*/
void bindNoCopy(const int aIndex, const char* apValue);
@ -198,12 +202,16 @@ public:
/**
* @brief Bind a string value to a named parameter "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement (aIndex >= 1)
*
* The string can contain null characters as it is binded using its size.
*
* @warning Uses the SQLITE_STATIC flag, avoiding a copy of the data. The string must remains unchanged while executing the statement.
*/
void bindNoCopy(const char* apName, const std::string& aValue);
/**
* @brief Bind a text value to a named parameter "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement (aIndex >= 1)
*
* Main usage is with null-terminated literal text (aka in code static strings)
*
* @warning Uses the SQLITE_STATIC flag, avoiding a copy of the data. The string must remains unchanged while executing the statement.
*/
void bindNoCopy(const char* apName, const char* apValue);
@ -279,6 +287,8 @@ public:
/**
* @brief Bind a string value to a named parameter "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement (aIndex >= 1)
*
* The string can contain null characters as it is binded using its size.
*
* @warning Uses the SQLITE_STATIC flag, avoiding a copy of the data. The string must remains unchanged while executing the statement.
*/
inline void bindNoCopy(const std::string& aName, const std::string& aValue)
@ -288,6 +298,8 @@ public:
/**
* @brief Bind a text value to a named parameter "?NNN", ":VVV", "@VVV" or "$VVV" in the SQL prepared statement (aIndex >= 1)
*
* Main usage is with null-terminated literal text (aka in code static strings)
*
* @warning Uses the SQLITE_STATIC flag, avoiding a copy of the data. The string must remains unchanged while executing the statement.
*/
inline void bindNoCopy(const std::string& aName, const char* apValue)

39
tests/Statement_test.cpp
View File

@ -282,6 +282,45 @@ TEST(Statement, bindings) {
}
}
TEST(Statement, bindNoCopy) {
// Create a new database
SQLite::Database db(":memory:", SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE);
EXPECT_EQ(SQLITE_OK, db.getErrorCode());
// Create a new table
EXPECT_EQ(0, db.exec("CREATE TABLE test (id INTEGER PRIMARY KEY, txt1 TEXT, txt2 TEXT, binary BLOB)"));
EXPECT_EQ(SQLITE_OK, db.getErrorCode());
// Insertion with bindable parameters
SQLite::Statement insert(db, "INSERT INTO test VALUES (NULL, ?, ?, ?)");
// Compile a SQL query to check the results
SQLite::Statement query(db, "SELECT * FROM test");
EXPECT_STREQ("SELECT * FROM test", query.getQuery().c_str());
EXPECT_EQ(4, query.getColumnCount());
// Insert one row with all variants of bindNoCopy()
{
const char* txt1 = "first";
const std::string txt2 = "sec\0nd";
const char blob[] = {'b','l','\0','b'};
insert.bindNoCopy(1, txt1);
insert.bindNoCopy(2, txt2);
insert.bindNoCopy(3, blob, sizeof(blob));
EXPECT_EQ(1, insert.exec());
EXPECT_EQ(SQLITE_DONE, db.getErrorCode());
// Check the first row
query.executeStep();
EXPECT_TRUE(query.isOk());
EXPECT_FALSE(query.isDone());
EXPECT_EQ(1, query.getColumn(0).getInt64());
EXPECT_STREQ(txt1, query.getColumn(1).getText());
EXPECT_EQ(0, memcmp(&txt2[0], &query.getColumn(2).getString()[0], txt2.size()));
EXPECT_EQ(0, memcmp(blob, &query.getColumn(3).getString()[0], sizeof(blob)));
}
}
TEST(Statement, bindByName) {
// Create a new database
SQLite::Database db(":memory:", SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE);