/** * @author tschw */ module( "Interpolant" ); // Since this is an abstract base class, we have to make it concrete in order // to test its functionality... function Mock( parameterPositions, sampleValues, sampleSize, resultBuffer ) { THREE.Interpolant.call( this, parameterPositions, sampleValues, sampleSize, resultBuffer ); } Mock.prototype = Object.create( THREE.Interpolant.prototype ); Mock.prototype.intervalChanged_ = function intervalChanged( i1, t0, t1 ) { Mock.captureCall( arguments ); }; Mock.prototype.interpolate_ = function interpolate( i1, t0, t, t1 ) { Mock.captureCall( arguments ); return this.copySampleValue_( i1 - 1 ); }; Mock.prototype.beforeStart_ = function beforeStart( i, t, t0 ) { Mock.captureCall( arguments ); return this.copySampleValue_( i ); }; Mock.prototype.afterEnd_ = function afterEnd( i, tN, t ) { Mock.captureCall( arguments ); return this.copySampleValue_( i ); }; // Call capturing facility Mock.calls = null; Mock.captureCall = function( args ) { if ( Mock.calls !== null ) { Mock.calls.push( { func: Mock.captureCall.caller.name, args: Array.prototype.slice.call( args ) } ); } }; // Tests test( "copySampleValue_", function() { var interpolant = new Mock( null, [ 1, 11, 2, 22, 3, 33 ], 2, [] ); deepEqual( interpolant.copySampleValue_( 0 ), [ 1, 11 ], "sample fetch (0)" ); deepEqual( interpolant.copySampleValue_( 1 ), [ 2, 22 ], "sample fetch (1)" ); deepEqual( interpolant.copySampleValue_( 2 ), [ 3, 33 ], "first sample (2)" ); } ); test( "evaluate -> intervalChanged_ / interpolate_", function() { var actual, expect; var interpolant = new Mock( [ 11, 22, 33, 44, 55, 66, 77, 88, 99 ], null, 0, null ); Mock.calls = []; interpolant.evaluate( 11 ); actual = Mock.calls[ 0 ]; expect = { func: 'intervalChanged', args: [ 1, 11, 22 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); actual = Mock.calls[ 1 ]; expect = { func: 'interpolate', args: [ 1, 11, 11, 22 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 2, "no further calls" ); Mock.calls = []; interpolant.evaluate( 12 ); // same interval actual = Mock.calls[ 0 ]; expect = { func: 'interpolate', args: [ 1, 11, 12, 22 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 1, "no further calls" ); Mock.calls = []; interpolant.evaluate( 22 ); // step forward actual = Mock.calls[ 0 ]; expect = { func: 'intervalChanged', args: [ 2, 22, 33 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); actual = Mock.calls[ 1 ]; expect = { func: 'interpolate', args: [ 2, 22, 22, 33 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 2 ); Mock.calls = []; interpolant.evaluate( 21 ); // step back actual = Mock.calls[ 0 ]; expect = { func: 'intervalChanged', args: [ 1, 11, 22 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); actual = Mock.calls[ 1 ]; expect = { func: 'interpolate', args: [ 1, 11, 21, 22 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 2, "no further calls" ); Mock.calls = []; interpolant.evaluate( 20 ); // same interval actual = Mock.calls[ 0 ]; expect = { func: 'interpolate', args: [ 1, 11, 20, 22 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 1, "no further calls" ); Mock.calls = []; interpolant.evaluate( 43 ); // two steps forward actual = Mock.calls[ 0 ]; expect = { func: 'intervalChanged', args: [ 3, 33, 44 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); actual = Mock.calls[ 1 ]; expect = { func: 'interpolate', args: [ 3, 33, 43, 44 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 2, "no further calls" ); Mock.calls = []; interpolant.evaluate( 12 ); // two steps back actual = Mock.calls[ 0 ]; expect = { func: 'intervalChanged', args: [ 1, 11, 22 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); actual = Mock.calls[ 1 ]; expect = { func: 'interpolate', args: [ 1, 11, 12, 22 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 2, "no further calls" ); Mock.calls = []; interpolant.evaluate( 77 ); // random access actual = Mock.calls[ 0 ]; expect = { func: 'intervalChanged', args: [ 7, 77, 88 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); actual = Mock.calls[ 1 ]; expect = { func: 'interpolate', args: [ 7, 77, 77, 88 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 2, "no further calls" ); Mock.calls = []; interpolant.evaluate( 80 ); // same interval actual = Mock.calls[ 0 ]; expect = { func: 'interpolate', args: [ 7, 77, 80, 88 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 1, "no further calls" ); Mock.calls = []; interpolant.evaluate( 36 ); // random access actual = Mock.calls[ 0 ]; expect = { func: 'intervalChanged', args: [ 3, 33, 44 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); actual = Mock.calls[ 1 ]; expect = { func: 'interpolate', args: [ 3, 33, 36, 44 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 2, "no further calls" ); Mock.calls = []; interpolant.evaluate( 24 ); // fast reset / loop (2nd) actual = Mock.calls[ 0 ]; expect = { func: 'intervalChanged', args: [ 2, 22, 33 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); actual = Mock.calls[ 1 ]; expect = { func: 'interpolate', args: [ 2, 22, 24, 33 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 2, "no further calls" ); Mock.calls = []; interpolant.evaluate( 16 ); // fast reset / loop (2nd) actual = Mock.calls[ 0 ]; expect = { func: 'intervalChanged', args: [ 1, 11, 22 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); actual = Mock.calls[ 1 ]; expect = { func: 'interpolate', args: [ 1, 11, 16, 22 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 2, "no further calls" ); } ); test( "evaulate -> beforeStart_ [once]", function() { var actual, expect; var interpolant = new Mock( [ 11, 22, 33 ], null, 0, null ); Mock.calls = []; interpolant.evaluate( 10 ); actual = Mock.calls[ 0 ]; expect = { func: 'beforeStart', args: [ 0, 10, 11 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 1, "no further calls" ); // Check operation resumes normally and intervalChanged gets called Mock.calls = []; interpolant.evaluate( 11 ); actual = Mock.calls[ 0 ]; expect = { func: 'intervalChanged', args: [ 1, 11, 22 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); actual = Mock.calls[ 1 ]; expect = { func: 'interpolate', args: [ 1, 11, 11, 22 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 2, "no further calls" ); // Back off-bounds Mock.calls = []; interpolant.evaluate( 10 ); actual = Mock.calls[ 0 ]; expect = { func: 'beforeStart', args: [ 0, 10, 11 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 1, "no further calls" ); } ); test( "evaluate -> beforeStart_ [twice]", function() { var actual, expect; var interpolant = new Mock( [ 11, 22, 33 ], null, 0, null ); Mock.calls = []; interpolant.evaluate( 10 ); actual = Mock.calls[ 0 ]; expect = { func: 'beforeStart', args: [ 0, 10, 11 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 1, "no further calls" ); Mock.calls = []; // again - consider changed state interpolant.evaluate( 10 ); actual = Mock.calls[ 0 ]; expect = { func: 'beforeStart', args: [ 0, 10, 11 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 1, "no further calls" ); // Check operation resumes normally and intervalChanged gets called Mock.calls = []; interpolant.evaluate( 11 ); actual = Mock.calls[ 0 ]; expect = { func: 'intervalChanged', args: [ 1, 11, 22 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); actual = Mock.calls[ 1 ]; expect = { func: 'interpolate', args: [ 1, 11, 11, 22 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 2, "no further calls" ); } ); test( "evaluate -> afterEnd_ [once]", function() { var actual, expect; var interpolant = new Mock( [ 11, 22, 33 ], null, 0, null ); Mock.calls = []; interpolant.evaluate( 33 ); actual = Mock.calls[ 0 ]; expect = { func: 'afterEnd', args: [ 2, 33, 33 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 1, "no further calls" ); // Check operation resumes normally and intervalChanged gets called Mock.calls = []; interpolant.evaluate( 32 ); actual = Mock.calls[ 0 ]; expect = { func: 'intervalChanged', args: [ 2, 22, 33 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); actual = Mock.calls[ 1 ]; expect = { func: 'interpolate', args: [ 2, 22, 32, 33 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 2, "no further calls" ); // Back off-bounds Mock.calls = []; interpolant.evaluate( 33 ); actual = Mock.calls[ 0 ]; expect = { func: 'afterEnd', args: [ 2, 33, 33 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 1, "no further calls" ); } ); test( "evaluate -> afterEnd_ [twice]", function() { var actual, expect; var interpolant = new Mock( [ 11, 22, 33 ], null, 0, null ); Mock.calls = []; interpolant.evaluate( 33 ); actual = Mock.calls[ 0 ]; expect = { func: 'afterEnd', args: [ 2, 33, 33 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 1, "no further calls" ); Mock.calls = []; // again - consider changed state interpolant.evaluate( 33 ); actual = Mock.calls[ 0 ]; expect = { func: 'afterEnd', args: [ 2, 33, 33 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 1, "no further calls" ); // Check operation resumes normally and intervalChanged gets called Mock.calls = []; interpolant.evaluate( 32 ); actual = Mock.calls[ 0 ]; expect = { func: 'intervalChanged', args: [ 2, 22, 33 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); actual = Mock.calls[ 1 ]; expect = { func: 'interpolate', args: [ 2, 22, 32, 33 ] }; deepEqual( actual, expect, JSON.stringify( expect ) ); ok( Mock.calls.length === 2, "no further calls" ); } );