package org.reldb.rel.tests.main;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.reldb.rel.tests.BaseOfTest;
public class TestDelete0 extends BaseOfTest {
@BeforeClass
public static void testDeleteBefore() {
String src =
"BEGIN;" +
" VAR myvar REAL RELATION {x INTEGER, y CHAR} KEY {x};" +
" myvar := RELATION {" +
" TUPLE {x 1, y 'zot'}," +
" TUPLE {x 2, y 'zap'}," +
" TUPLE {x 3, y 'zip'}," +
" TUPLE {x 4, y 'bap'}," +
" TUPLE {x 5, y 'cap'}" +
" };" +
"END;" +
"true";
String expected = "true";
testEquals(expected, src);
}
@Test
public void testDelete02() {
String src =
"BEGIN;" +
" DELETE myvar WHERE x = 2;" +
" DELETE myvar RELATION {TUPLE {y 'zip', x 3}, TUPLE {x 5, y 'cap'}};" +
"END;" +
"myvar";
String expected =
"RELATION {x INTEGER, y CHARACTER} {\n" +
"\tTUPLE {x 1, y \"zot\"},\n" +
"\tTUPLE {x 4, y \"bap\"}\n" +
"}";
testEquals(expected, src);
}
@AfterClass
public static void testDeleteAfter() {
String src =
"BEGIN;" +
" DROP VAR myvar;" +
"END;" +
"true";
String expected = "true";
testEquals(expected, src);
}
}