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Add unit test about Column operators
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‎tests/Column_test.cpp‎

Lines changed: 90 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -16,6 +16,7 @@
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#include <gtest/gtest.h>
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#include <cstdio>
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#include <cstdint>
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TEST(Column, basics) {
@@ -27,31 +28,109 @@ TEST(Column, basics) {
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EXPECT_EQ(SQLITE_OK, db.getExtendedErrorCode());
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// Create a new table
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EXPECT_EQ(0, db.exec("CREATE TABLE test (id INTEGER PRIMARY KEY, msg TEXT, int INTEGER, double REAL)"));
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EXPECT_EQ(0, db.exec("CREATE TABLE test (id INTEGER PRIMARY KEY, msg TEXT, int INTEGER, double REAL, binary BLOB, empty TEXT)"));
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EXPECT_TRUE(db.tableExists("test"));
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EXPECT_TRUE(db.tableExists(std::string("test")));
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EXPECT_EQ(0, db.getLastInsertRowid());
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// Create a first row
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EXPECT_EQ(1, db.exec("INSERT INTO test VALUES (NULL, \"first\", 123, 0.123)"));
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// Create a first row (autoid: 1) with all kind of data and a null value
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SQLite::Statement insert(db, "INSERT INTO test VALUES (NULL, \"first\", 123, 0.123, ?, NULL)");
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// Bind the blob value to the first parameter of the SQL query
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char buffer[] = "blob";
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void* blob = &buffer;
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int size = sizeof(buffer);
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insert.bind(1, blob, size);
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// Execute the one-step query to insert the row
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EXPECT_EQ(1, insert.exec());
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EXPECT_EQ(1, db.getLastInsertRowid());
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EXPECT_EQ(1, db.getTotalChanges());
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// Compile a SQL query
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SQLite::Statement query(db, "SELECT * FROM test");
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EXPECT_STREQ("SELECT * FROM test", query.getQuery().c_str());
43-
EXPECT_EQ(4, query.getColumnCount ());
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EXPECT_EQ(6, query.getColumnCount ());
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query.executeStep();
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EXPECT_TRUE (query.isOk());
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EXPECT_FALSE(query.isDone());
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// TODO
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const std::string msg = query.getColumn("msg");
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const int integer = query.getColumn("int");
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const double real = query.getColumn("double");
52-
EXPECT_EQ("first", msg);
53-
EXPECT_EQ(123, integer);
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EXPECT_EQ(0.123, real);
57+
// validates every variant of cast operators, and conversions of types
58+
{
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int64_t id = query.getColumn(0); // operator sqlite3_int64()
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const char* ptxt = query.getColumn(1); // operator const char*()
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const std::string msg = query.getColumn(1); // operator std::string() (or const char* with MSVC)
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const int integer = query.getColumn(2); // operator int()
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const double real = query.getColumn(3); // operator double()
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const void* pblob = query.getColumn(4); // operator void*()
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const void* pempty = query.getColumn(5); // operator void*()
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EXPECT_EQ(1, id);
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EXPECT_STREQ("first", ptxt);
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EXPECT_EQ("first", msg);
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EXPECT_EQ(123, integer);
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EXPECT_EQ(0.123, real);
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EXPECT_EQ(0, memcmp("blob", pblob, size));
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EXPECT_EQ(NULL, pempty);
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}
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// validates every variant of explicit getters
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{
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int64_t id = query.getColumn(0).getInt64();
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const char* ptxt = query.getColumn(1).getText();
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const std::string msg = query.getColumn(1).getText();
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const int integer = query.getColumn(2).getInt();
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const double real = query.getColumn(3).getDouble();
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const void* pblob = query.getColumn(1).getBlob();
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EXPECT_EQ(1, id);
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EXPECT_STREQ("first", ptxt);
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EXPECT_EQ("first", msg);
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EXPECT_EQ(123, integer);
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EXPECT_EQ(0.123, real);
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EXPECT_EQ(0, memcmp("first", pblob, 5));
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}
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// Validate getBytes(), getType(), isInteger(), isNull()...
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EXPECT_EQ(SQLITE_INTEGER, query.getColumn(0).getType());
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EXPECT_EQ(true, query.getColumn(0).isInteger());
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EXPECT_EQ(false, query.getColumn(0).isFloat());
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EXPECT_EQ(false, query.getColumn(0).isText());
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EXPECT_EQ(false, query.getColumn(0).isBlob());
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EXPECT_EQ(false, query.getColumn(0).isNull());
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EXPECT_EQ(1, query.getColumn(0).getBytes()); // size of the string "1" without the null terminator
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EXPECT_EQ(SQLITE_TEXT, query.getColumn(1).getType());
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EXPECT_EQ(false, query.getColumn(1).isInteger());
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EXPECT_EQ(false, query.getColumn(1).isFloat());
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EXPECT_EQ(true, query.getColumn(1).isText());
103+
EXPECT_EQ(false, query.getColumn(1).isBlob());
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EXPECT_EQ(false, query.getColumn(1).isNull());
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EXPECT_EQ(5, query.getColumn(1).getBytes()); // size of the string "first"
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EXPECT_EQ(SQLITE_INTEGER, query.getColumn(2).getType());
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EXPECT_EQ(true, query.getColumn(2).isInteger());
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EXPECT_EQ(false, query.getColumn(2).isFloat());
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EXPECT_EQ(false, query.getColumn(2).isText());
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EXPECT_EQ(false, query.getColumn(2).isBlob());
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EXPECT_EQ(false, query.getColumn(2).isNull());
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EXPECT_EQ(3, query.getColumn(2).getBytes()); // size of the string "123"
113+
EXPECT_EQ(SQLITE_FLOAT, query.getColumn(3).getType());
114+
EXPECT_EQ(false, query.getColumn(3).isInteger());
115+
EXPECT_EQ(true, query.getColumn(3).isFloat());
116+
EXPECT_EQ(false, query.getColumn(3).isText());
117+
EXPECT_EQ(false, query.getColumn(3).isBlob());
118+
EXPECT_EQ(false, query.getColumn(3).isNull());
119+
EXPECT_EQ(5, query.getColumn(3).getBytes()); // size of the string "0.123"
120+
EXPECT_EQ(5, query.getColumn(4).getBytes()); // size of the string "blob" with the null terminator
121+
EXPECT_EQ(SQLITE_BLOB, query.getColumn(4).getType());
122+
EXPECT_EQ(false, query.getColumn(4).isInteger());
123+
EXPECT_EQ(false, query.getColumn(4).isFloat());
124+
EXPECT_EQ(false, query.getColumn(4).isText());
125+
EXPECT_EQ(true, query.getColumn(4).isBlob());
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EXPECT_EQ(false, query.getColumn(4).isNull());
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EXPECT_EQ(0, query.getColumn(5).getBytes()); // size of the string "" without the null terminator
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EXPECT_EQ(SQLITE_NULL, query.getColumn(5).getType());
129+
EXPECT_EQ(false, query.getColumn(5).isInteger());
130+
EXPECT_EQ(false, query.getColumn(5).isFloat());
131+
EXPECT_EQ(false, query.getColumn(5).isText());
132+
EXPECT_EQ(false, query.getColumn(5).isBlob());
133+
EXPECT_EQ(true, query.getColumn(5).isNull());
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} // Close DB test.db3
57136
remove("test.db3");

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