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Справка Scilab >> Development tools > Assert > assert_checkfalse

assert_checkfalse

Check that condition is false.

Calling Sequence

flag = assert_checkfalse ( condition )
flag = assert_checkfalse ( condition )
[flag,errmsg] = assert_checkfalse ( condition )

Parameters

condition:

a matrix of booleans

flag :

a 1-by-1 matrix of boolean, %t if condition is false, %f if not

errmsg :

a 1-by-1 matrix of strings, the error message. If flag==%t, then errormsg=="". If flag==%f, then errmsg contains the error message.

Description

Performs silently if all entries in condition are false.

Generates an error if any entry in condition is true. Generates an error if condition is not a boolean.

If any entry in condition is true,

  • if the errmsg output variable is not used, an error is generated,

  • if the errmsg output variable is used, no error is generated.

Examples

// Tests which pass
assert_checkfalse ( %f );
flag = assert_checkfalse ( %f )
[flag,errmsg] = assert_checkfalse ( %f )
[flag,errmsg] = assert_checkfalse ( [%f %f] );

// Tests which fail
assert_checkfalse ( [%t %f] );
flag = assert_checkfalse ( [%t %f] )
// No error generated
[flag,errmsg] = assert_checkfalse ( [%t %f] )

// Wrong calls
assert_checkfalse ( "a" )

History

ВерсияОписание
5.4.0 Function introduced
Report an issue
<< assert_checkerror Assert assert_checkfilesequal >>

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Last updated:
Fri Apr 11 14:19:50 CEST 2014