Examples of gnu.trove.list.TIntList

gnu.trove.list.TIntList
Interface for Trove list implementations.


    public void testMax() {
        assertEquals( 5, list.max() );
        assertEquals( 1, list.min() );


        TIntList list2 = new TIntLinkedList();
        assertTrue( list2.isEmpty() );
        list2.add( 3 );
        list2.add( 1 );
        list2.add( 2 );
        list2.add( 5 );
        list2.add( 4 );
        assertEquals( 5, list2.max() );
        assertEquals( 1, list2.min() );


        try {
            TIntList list3 = new TIntLinkedList();
            list3.min();
            fail( "Expected IllegalStateException" );
        }
        catch ( IllegalStateException ex ) {
            // Expected
        }


        try {
            TIntList list3 = new TIntLinkedList();
            list3.max();
            fail( "Expected IllegalStateException" );
        }
        catch ( IllegalStateException ex ) {
            // Expected
        }

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    }




    public void testGrep() {
        int element_count = 20;
        TIntList a = new TIntArrayList();
        for ( int i = 1; i < element_count; i++ ) {
            a.add( i );
        }


        TIntList grepped = a.grep( new TIntProcedure() {
            public boolean execute( int value ) {
                return value > 10;
            }
        } );


        for ( int i = 0; i < grepped.size(); i++ ) {
            int expected = i + 11;
            assertEquals( expected, grepped.get( i ) );
        }
    }

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    }




    public void testForEach() {
        int element_count = 20;
        TIntList a = new TIntLinkedList();
        for ( int i = 1; i < element_count; i++ ) {
            a.add( i );
        }


        class ForEach implements TIntProcedure {
            TIntList built = new TIntLinkedList();




            public boolean execute( int value ) {
                built.add( value );
                return true;
            }


            TIntList getBuilt() {
                return built;
            }
        }


        ForEach foreach = new ForEach();
        a.forEach( foreach );
        TIntList built = foreach.getBuilt();
        assertEquals( a, built );
    }

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    }




    public void testForEachFalse() {
        int element_count = 20;
        TIntList a = new TIntLinkedList();
        for ( int i = 1; i < element_count; i++ ) {
            a.add( i );
        }


        class ForEach implements TIntProcedure {
            TIntList built = new TIntLinkedList();




            public boolean execute( int value ) {
                built.add( value );
                return false;
            }


            TIntList getBuilt() {
                return built;
            }
        }


        ForEach foreach = new ForEach();
        a.forEach( foreach );
        TIntList built = foreach.getBuilt();
        assertEquals( 1, built.size() );
        assertEquals( 1, built.get( 0 ) );
    }

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    }




    public void testInverseGrep() {
        int element_count = 20;
        TIntList a = new TIntArrayList();
        for ( int i = 1; i < element_count; i++ ) {
            a.add( i );
        }


        TIntList grepped = a.inverseGrep( new TIntProcedure() {
            public boolean execute( int value ) {
                return value <= 10;
            }
        } );


        for ( int i = 0; i < grepped.size(); i++ ) {
            int expected = i + 11;
            assertEquals( expected, grepped.get( i ) );
        }
    }

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    public void testMax() {
        assertEquals( 5, list.max() );
        assertEquals( 1, list.min() );


        TIntList list2 = new TIntArrayList();
        assertTrue( list2.isEmpty() );
        list2.add( 3 );
        list2.add( 1 );
        list2.add( 2 );
        list2.add( 5 );
        list2.add( 4 );
        assertEquals( 5, list2.max() );
        assertEquals( 1, list2.min() );


        try {
            TIntList list3 = new TIntArrayList();
            list3.min();
            fail( "Expected IllegalStateException" );
        }
        catch ( IllegalStateException ex ) {
            // Expected
        }


        try {
            TIntList list3 = new TIntArrayList();
            list3.max();
            fail( "Expected IllegalStateException" );
        }
        catch ( IllegalStateException ex ) {
            // Expected
        }

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    }




    public void testForEachDescending() {
        int element_count = 20;
        TIntList a = new TIntLinkedList();
        for ( int i = 1; i < element_count; i++ ) {
            a.add( i );
        }


        class ForEach implements TIntProcedure {
            TIntList built = new TIntLinkedList();




            public boolean execute( int value ) {
                built.add( value );
                return true;
            }


            TIntList getBuilt() {
                return built;
            }
        }


        ForEach foreach = new ForEach();
        a.forEachDescending( foreach );
        TIntList built = foreach.getBuilt();
        built.reverse();
        assertEquals( a, built );
    }

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    }




    public void testForEachDescendingFalse() {
        int element_count = 20;
        TIntList a = new TIntLinkedList();
        for ( int i = 1; i < element_count; i++ ) {
            a.add( i );
        }


        class ForEach implements TIntProcedure {
            TIntList built = new TIntLinkedList();




            public boolean execute( int value ) {
                built.add( value );
                return false;
            }


            TIntList getBuilt() {
                return built;
            }
        }


        ForEach foreach = new ForEach();
        a.forEachDescending( foreach );
        TIntList built = foreach.getBuilt();
        built.reverse();
        assertEquals( 1, built.size() );
        assertEquals( 19, built.get( 0 ) );
    }

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    }




    public void testTransform() {
        int element_count = 20;
        TIntList a = new TIntLinkedList();
        for ( int i = 1; i < element_count; i++ ) {
            a.add( i );
        }


        a.transformValues( new TIntFunction() {
            public int execute( int value ) {
                return value * value;
            }
        } );


        for ( int i = 0; i < a.size(); i++ ) {
            int result = a.get( i );
            int expected = ( i + 1 ) * ( i + 1 );
            assertEquals( expected, result );
        }
    }

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    }




    public void testForEach() {
        int element_count = 20;
        TIntList a = new TIntArrayList();
        for ( int i = 1; i < element_count; i++ ) {
            a.add( i );
        }


        class ForEach implements TIntProcedure {
            TIntList built = new TIntArrayList();




            public boolean execute( int value ) {
                built.add( value );
                return true;
            }


            TIntList getBuilt() {
                return built;
            }
        }


        ForEach foreach = new ForEach();
        a.forEach( foreach );
        TIntList built = foreach.getBuilt();
        assertEquals( a, built );
    }

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