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The fully integrated standalone wiki, and acceptance testing framework.
!1 Evaluator of expressions: $!--!{= =}
!2 Syntax
'''{{{ $!--!{= [format:] expression =} }}}'''
!3 Expression
An expression may be a combination of constants, variables, and opertors. All internal calculations use the Java ''double'' numeric type.
!3 Format
A format is a specifier that describes the rendering of the numeric result. The format specifier is described by the Java 5 String class's .format() method:
{{{ %[flags][width][.precision]conversion}}} *!note N.B., The ''[argument_index$]'' specifier is not permitted.
!3 Links
* [[format string][http://java.sun.com/j2se/1.5.0/docs/api/java/util/Formatter.html#syntax]]
* [[String.format()][http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html#format(java.lang.String,%20java.lang.Object...)]]
* [[String class][http://java.sun.com/j2se/1.5.0/docs/api/java/lang/String.html]]
!3 Examples
{{{ $!--!{= 12 + 23 =} renders (sand brackets) as [35]
$!--!{=%5.4f:1.414=} : [1.4140]
$!--!{=%05X:14+14=} : [0001C]
$!--!{= %-10s : 123 =} : [123 ]}}}
!3 Operators supported
|Comment| !note Spaces between items are optional |
|'''Operator'''|'''Argument'''|'''Description'''|
|!c ''arg'' | ''constant or variable'' | Examples: 3, 12.4, 4E+8, $!--!{VALUE}, $!--!{some.var} |
|!c ''expr'' |!c ''expression'' | Any valid combination of arguments and optional operations and parentheses|
|!c '''+''' |!c ''expr'' + ''expr'' | Addition |
|!c '''-''' |!c -''expr'' | Unary negation |
|!c '''-''' |!c ''expr'' - ''expr'' | Subtraction |
|!c '''!-*-!'''|!c ''expr'' !-*-! ''expr'' | Multiplication |
|!c '''/''' |!c ''expr'' / ''expr'' | Division |
|!c '''^''' |!c ''expr'' ^ ''expr'' | Exponentiation |
|!c '''sin''' |!c sin ''expr'' | Radian Sine of ''expr'' |
|!c '''cos''' |!c cos ''expr'' | Radian Cosine of ''expr'' |
|!c '''tan '''|!c cos ''expr'' | Radian Tangent of ''expr'' |
|!c '''( )''' |!c ( ''expr'' ) | Parenthetical grouping of an expression |
#-----------------------------------------------------------------
-----
!3 Test Blank Expressions
''' Build blank expression page '''
!|script|
| start | Page Builder|
| line |~1a:${==}~|
| line |~1b:${= =}~|
| line |~1c:${= =}~|
| page | ExpressionPage |
''' Render it '''
!|Response Requester|
| uri | valid? |
| ExpressionPage | true |
!**> Contents
!|Response Examiner|
|type | string? |
|contents| |
!|Response Examiner|
|type | wrapped html? |
|contents| |
***!
''' Verify results '''
!|Response Examiner|
| type | pattern |matches?|
| contents | ~1a:~ |true |
| contents | ~1b:~ |true |
| contents | ~1c:~ |true |
#-----------------------------------------------------------------
-----
!3 Test Single Argument Expressions
''' Build expression page '''
!|script|
| start | Page Builder|
| line |!- ~2a:${=3=}~ -!|
| line |!- ~2b:${= 4.2 =}~ -!|
| line |!- ~2c:${= 2E+1 =}~ -!|
| line |!- ~2d:${= 2.3E+42 =}~ -!|
| line |!- ~2e:${= 4.2E + 24 =}~ -!|
| page | ExpressionPage |
''' Render it '''
!|Response Requester|
| uri | valid? |
| ExpressionPage | true |
!**> Contents
!|Response Examiner|
|type | string? |
|contents| |
!|Response Examiner|
|type | wrapped html? |
|contents| |
***!
''' Verify results '''
!|Response Examiner|
| type | pattern |matches?|
| contents | ~2a:3~ |true |
| contents | ~2b:4.2~ |true |
| contents | ~2c:20~ |true |
| contents | ~2d:2.3E+42~|true |
| contents | ~2e:4.2E+24~|true |
#-----------------------------------------------------------------
-----
!3 Test spaces around experssions
''' Build expression page '''
!|script|
| start | Page Builder|
| line |!- ~3a:${=1+1=}~ -!|
| line |!- ~3b:${=2 + 2=}~ -!|
| line |!- ~3c:${= 3 + 3=}~ -!|
| line |!- ~3d:${=4 + 4 =}~ -!|
| line |!- ~3e:${=5 +5 =}~ -!|
| page | ExpressionPage |
''' Render it '''
!|Response Requester|
| uri | valid? |
| ExpressionPage | true |
!**> Contents
!|Response Examiner|
|type | string? |
|contents| |
!|Response Examiner|
|type | wrapped html? |
|contents| |
***!
''' Verify results '''
!|Response Examiner|
| type | pattern |matches?|
| contents | ~3a:2~ |true |
| contents | ~3b:4~ |true |
| contents | ~3c:6~ |true |
| contents | ~3d:8~ |true |
| contents | ~3e:10~ |true |
#-----------------------------------------------------------------
-----
!3 Test each operator
''' Build expression page '''
!|script|
| start | Page Builder|
| line |!- ~4plus:${= 1 + 2 =}~ -!|
| line |!- ~4minus:${= 2 - 3 =}~ -!|
| line |!- ~4unary:${= -12 =}~ -!|
| line |!- ~4mult:${= 3 * 4 =}~ -!|
| line |!- ~4div:${= 4 / 5 =}~ -!|
| line |!- ~4exp:${=%2d: 5 ^ 6 =}~ -!|
| line |!- ~4sin1:${=%5.4f: sin0.39269875 =}~ -!|
| line |!- ~4sin2:${=%5.4f: sin 0.39269875 =}~ -!|
| line |!- ~4sin3:${=%5.4f: sin(0.39269875) =}~ -!|
| line |!- ~4sin4:${=%5.4f: sin(3.14159/8) =}~ -!|
| line |!- ~4sin5:${=%5.4f: sin (3.14159/8) =}~ -!|
| line |!- ~4cos:${=%5.4f: cos(3.14159 / 8) =}~ -!|
| line |!- ~4tan:${=%5.4f: tan(3.14159 / 8) =}~ -!|
| page | ExpressionPage |
''' Render it '''
!|Response Requester|
| uri | valid? |
| ExpressionPage | true |
!**> Contents
!|Response Examiner|
|type | string? |
|contents| |
!|Response Examiner|
|type | wrapped html? |
|contents| |
***!
''' Verify results '''
!|Response Examiner|
| type | pattern |matches?|
| contents | ~4plus:3~ |true |
| contents | ~4minus:-1~ |true |
| contents | ~4unary:-12~ |true |
| contents | ~4mult:12~ |true |
| contents | ~4div:0.8~ |true |
| contents | ~4exp:15625~ |true |
| contents | ~4sin1:0.3827~ |true |
| contents | ~4sin2:0.3827~ |true |
| contents | ~4sin3:0.3827~ |true |
| contents | ~4sin4:0.3827~ |true |
| contents | ~4sin5:0.3827~ |true |
| contents | ~4cos:0.9239~ |true |
| contents | ~4tan:0.4142~ |true |
#-----------------------------------------------------------------
-----
!3 Test parentheses
''' Build expression page '''
!|script|
| start | Page Builder|
| line |!- ~5a:${= 2 * 3 + 4 / 2 - 3 =}~ -!|
| line |!- ~5b:${= 2 * ( 3 + 4 ) / 2 - 3 =}~ -!|
| line |!- ~5c:${= 2 * ( 3 + 4 ) / ( 2 - 3 ) =}~ -!|
| line |!- ~5d:${= 2 * ( 3 + ( 4 / ( 2 - 3 ) ) ) =}~ -!|
| page | ExpressionPage |
''' Render it '''
!|Response Requester|
| uri | valid? |
| ExpressionPage | true |
!**> Contents
!|Response Examiner|
|type | string? |
|contents| |
!|Response Examiner|
|type | wrapped html? |
|contents| |
***!
''' Verify results '''
!|Response Examiner|
| type | pattern |matches?|
| contents | ~5a:5~ |true |
| contents | ~5b:4~ |true |
| contents | ~5c:-14~ |true |
| contents | ~5d:-2~ |true |
#-----------------------------------------------------------------
-----
!3 Test formatting
''' Build expression page '''
!|script|
| start | Page Builder|
| line |!- ~6a:${=%d:2 =}~ -!|
| line |!- ~6b:${= %d : 3.2 =}~ -!|
| line |!- ~6c:${=%02d: 2 + 1 =}~ -!|
| line |!- ~6d:${= %4.4f: 2.2 / 3.4 =}~ -!|
| line |!- ~6e:${=%03o: 16 =}~ -!|
| line |!- ~6f:${= %03o : 18 =}~ -!|
| line |!- ~6g:${=%03x: 26 =}~ -!|
| line |!- ~6h:${=%03X: 27 =}~ -!|
| line |!- ~6i:${= %-12s : 123 =}~ -!|
| line |!- ~6j:${=%TY: 73422123127 =}~ -!|
| line |!- ~6k:${=%b: 27 =}~ -!|
| line |!- ~6l:${=%b: 0 =}~ -!|
| line |!- ~6m:${=%B: 27 =}~ -!|
| line |!- ~6n:${=%B: 0 =}~ -!|
| line |!- ~6o:${= % d : 3.2 =}~ -!|
| page | ExpressionPage |
''' Render it '''
!|Response Requester|
| uri | valid? |
| ExpressionPage | true |
!**> Contents
!|Response Examiner|
|type | string? |
|contents| |
!|Response Examiner|
|type | wrapped html? |
|contents| |
***!
''' Verify results '''
!|Response Examiner|
| type | pattern |matches?|
| contents | ~6a:2~ |true |
| contents | ~6b:3~ |true |
| contents | ~6c:03~ |true |
| contents | ~6d:0.6471~ |true |
| contents | ~6e:020~ |true |
| contents | ~6f:022~ |true |
| contents | ~6g:01a~ |true |
| contents | ~6h:01B~ |true |
| contents | ~6i:123 ~|true|
| contents | ~6j:1972~ |true |
| contents | ~6k:true~ |true |
| contents | ~6l:false~ |true |
| contents | ~6m:true~ |true |
| contents | ~6n:false~ |true |
| contents | ~6o: 3~ |true |
#---[EOT]---
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