github.com/jdgcs/sqlite3@v1.12.1-0.20210908114423-bc5f96e4dd51/testdata/tcl/fkey4.test (about)

     1  # 2011 Feb 04
     2  #
     3  # The author disclaims copyright to this source code.  In place of
     4  # a legal notice, here is a blessing:
     5  #
     6  #    May you do good and not evil.
     7  #    May you find forgiveness for yourself and forgive others.
     8  #    May you share freely, never taking more than you give.
     9  #
    10  #***********************************************************************
    11  # This file implements regression tests for SQLite library.
    12  #
    13  # This file test deferred foreign key constraint processing to make
    14  # sure that when a statement not within BEGIN...END fails a constraint,
    15  # that statement doesn't hold the transaction open thus allowing
    16  # a subsequent statement to fail a deferred constraint with impunity.
    17  #
    18  
    19  set testdir [file dirname $argv0]
    20  source $testdir/tester.tcl
    21  
    22  ifcapable {!foreignkey||!trigger} {
    23    finish_test
    24    return
    25  }
    26  
    27  # Create a table and some data to work with.
    28  #
    29  do_test fkey4-1.1 {
    30    execsql {
    31      PRAGMA foreign_keys = ON;
    32      CREATE TABLE t1(a PRIMARY KEY, b);
    33      CREATE TABLE t2(c REFERENCES t1 DEFERRABLE INITIALLY DEFERRED, d);
    34      INSERT INTO t1 VALUES(1,2);
    35      INSERT INTO t2 VALUES(1,3);
    36    }
    37  } {}
    38  
    39  do_test fkey4-1.2 {
    40    set ::DB [sqlite3_connection_pointer db]
    41    set ::SQL {INSERT INTO t2 VALUES(2,4)}
    42    set ::STMT1 [sqlite3_prepare_v2 $::DB $::SQL -1 TAIL]
    43    sqlite3_step $::STMT1
    44  } {SQLITE_CONSTRAINT}
    45  verify_ex_errcode fkey4-1.2b SQLITE_CONSTRAINT_FOREIGNKEY
    46  do_test fkey4-1.3 {
    47    set ::STMT2 [sqlite3_prepare_v2 $::DB $::SQL -1 TAIL]
    48    sqlite3_step $::STMT2
    49  } {SQLITE_CONSTRAINT}
    50  verify_ex_errcode fkey4-1.3b SQLITE_CONSTRAINT_FOREIGNKEY
    51  do_test fkey4-1.4 {
    52    db eval {SELECT * FROM t2}
    53  } {1 3}
    54  sqlite3_finalize $::STMT1
    55  sqlite3_finalize $::STMT2
    56  
    57  finish_test