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🔍 test(Integer): Cover predicate functions.
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2 files changed

+79
-3
lines changed

‎src/Integer.js

Lines changed: 3 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -371,19 +371,19 @@ export class Integer {
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}
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isnegative ( ) {
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return this.is_negative ;
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return this.is_negative === -1 ? true : false ;
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}
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ispositive ( ) {
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return this.sign() > 0 ;
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}
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isnonnegative ( ) {
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return !this.negative();
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return !this.isnegative();
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}
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isnonpositive ( ) {
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return !this.positive() ;
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return !this.ispositive() ;
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}
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parity ( ) {

‎test/src/Integer/predicates.js

Lines changed: 76 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -54,3 +54,79 @@ test( 'ZZ.from("0").isnonzero()' , t => { t.is( ZZ.from("0").isnonzero() , fal
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test( 'ZZ.from("-0").isnonzero()' , t => { t.is( ZZ.from("-0").isnonzero() , false ) ; } ) ;
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test( 'ZZ.from("1").isnonzero()' , t => { t.is( ZZ.from("1").isnonzero() , true ) ; } ) ;
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test( 'ZZ.from("2").isnonzero()' , t => { t.is( ZZ.from("2").isnonzero() , true ) ; } ) ;
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test( 'ZZ.$_1().ispositive()' , t => { t.is( ZZ.$_1().ispositive() , false ) ; } ) ;
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test( 'ZZ.$0().ispositive()' , t => { t.is( ZZ.$0().ispositive() , false ) ; } ) ;
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test( 'ZZ.$1().ispositive()' , t => { t.is( ZZ.$1().ispositive() , true ) ; } ) ;
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test( 'ZZ.from(-2).ispositive()' , t => { t.is( ZZ.from(-2).ispositive() , false ) ; } ) ;
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test( 'ZZ.from(-1).ispositive()' , t => { t.is( ZZ.from(-1).ispositive() , false ) ; } ) ;
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test( 'ZZ.from(0).ispositive()' , t => { t.is( ZZ.from(0).ispositive() , false ) ; } ) ;
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test( 'ZZ.from(-0).ispositive()' , t => { t.is( ZZ.from(-0).ispositive() , false ) ; } ) ;
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test( 'ZZ.from(1).ispositive()' , t => { t.is( ZZ.from(1).ispositive() , true ) ; } ) ;
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test( 'ZZ.from(2).ispositive()' , t => { t.is( ZZ.from(2).ispositive() , true ) ; } ) ;
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test( 'ZZ.from("-2").ispositive()' , t => { t.is( ZZ.from("-2").ispositive() , false ) ; } ) ;
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test( 'ZZ.from("-1").ispositive()' , t => { t.is( ZZ.from("-1").ispositive() , false ) ; } ) ;
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test( 'ZZ.from("0").ispositive()' , t => { t.is( ZZ.from("0").ispositive() , false ) ; } ) ;
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test( 'ZZ.from("-0").ispositive()' , t => { t.is( ZZ.from("-0").ispositive() , false ) ; } ) ;
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test( 'ZZ.from("1").ispositive()' , t => { t.is( ZZ.from("1").ispositive() , true ) ; } ) ;
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test( 'ZZ.from("2").ispositive()' , t => { t.is( ZZ.from("2").ispositive() , true ) ; } ) ;
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test( 'ZZ.$_1().isnegative()' , t => { t.is( ZZ.$_1().isnegative() , true ) ; } ) ;
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test( 'ZZ.$0().isnegative()' , t => { t.is( ZZ.$0().isnegative() , false ) ; } ) ;
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test( 'ZZ.$1().isnegative()' , t => { t.is( ZZ.$1().isnegative() , false ) ; } ) ;
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test( 'ZZ.from(-2).isnegative()' , t => { t.is( ZZ.from(-2).isnegative() , true ) ; } ) ;
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test( 'ZZ.from(-1).isnegative()' , t => { t.is( ZZ.from(-1).isnegative() , true ) ; } ) ;
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test( 'ZZ.from(0).isnegative()' , t => { t.is( ZZ.from(0).isnegative() , false ) ; } ) ;
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test( 'ZZ.from(-0).isnegative()' , t => { t.is( ZZ.from(-0).isnegative() , false ) ; } ) ;
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test( 'ZZ.from(1).isnegative()' , t => { t.is( ZZ.from(1).isnegative() , false ) ; } ) ;
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test( 'ZZ.from(2).isnegative()' , t => { t.is( ZZ.from(2).isnegative() , false ) ; } ) ;
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test( 'ZZ.from("-2").isnegative()' , t => { t.is( ZZ.from("-2").isnegative() , true ) ; } ) ;
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test( 'ZZ.from("-1").isnegative()' , t => { t.is( ZZ.from("-1").isnegative() , true ) ; } ) ;
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test( 'ZZ.from("0").isnegative()' , t => { t.is( ZZ.from("0").isnegative() , false ) ; } ) ;
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test( 'ZZ.from("-0").isnegative()' , t => { t.is( ZZ.from("-0").isnegative() , false ) ; } ) ;
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test( 'ZZ.from("1").isnegative()' , t => { t.is( ZZ.from("1").isnegative() , false ) ; } ) ;
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test( 'ZZ.from("2").isnegative()' , t => { t.is( ZZ.from("2").isnegative() , false ) ; } ) ;
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test( 'ZZ.$_1().isnonnegative()' , t => { t.is( ZZ.$_1().isnonnegative() , false ) ; } ) ;
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test( 'ZZ.$0().isnonnegative()' , t => { t.is( ZZ.$0().isnonnegative() , true ) ; } ) ;
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test( 'ZZ.$1().isnonnegative()' , t => { t.is( ZZ.$1().isnonnegative() , true ) ; } ) ;
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test( 'ZZ.from(-2).isnonnegative()' , t => { t.is( ZZ.from(-2).isnonnegative() , false ) ; } ) ;
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test( 'ZZ.from(-1).isnonnegative()' , t => { t.is( ZZ.from(-1).isnonnegative() , false ) ; } ) ;
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test( 'ZZ.from(0).isnonnegative()' , t => { t.is( ZZ.from(0).isnonnegative() , true ) ; } ) ;
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test( 'ZZ.from(-0).isnonnegative()' , t => { t.is( ZZ.from(-0).isnonnegative() , true ) ; } ) ;
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test( 'ZZ.from(1).isnonnegative()' , t => { t.is( ZZ.from(1).isnonnegative() , true ) ; } ) ;
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test( 'ZZ.from(2).isnonnegative()' , t => { t.is( ZZ.from(2).isnonnegative() , true ) ; } ) ;
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test( 'ZZ.from("-2").isnonnegative()' , t => { t.is( ZZ.from("-2").isnonnegative() , false ) ; } ) ;
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test( 'ZZ.from("-1").isnonnegative()' , t => { t.is( ZZ.from("-1").isnonnegative() , false ) ; } ) ;
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test( 'ZZ.from("0").isnonnegative()' , t => { t.is( ZZ.from("0").isnonnegative() , true ) ; } ) ;
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test( 'ZZ.from("-0").isnonnegative()' , t => { t.is( ZZ.from("-0").isnonnegative() , true ) ; } ) ;
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test( 'ZZ.from("1").isnonnegative()' , t => { t.is( ZZ.from("1").isnonnegative() , true ) ; } ) ;
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test( 'ZZ.from("2").isnonnegative()' , t => { t.is( ZZ.from("2").isnonnegative() , true ) ; } ) ;
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test( 'ZZ.$_1().isnonpositive()' , t => { t.is( ZZ.$_1().isnonpositive() , true ) ; } ) ;
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test( 'ZZ.$0().isnonpositive()' , t => { t.is( ZZ.$0().isnonpositive() , true ) ; } ) ;
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test( 'ZZ.$1().isnonpositive()' , t => { t.is( ZZ.$1().isnonpositive() , false ) ; } ) ;
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test( 'ZZ.from(-2).isnonpositive()' , t => { t.is( ZZ.from(-2).isnonpositive() , true ) ; } ) ;
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test( 'ZZ.from(-1).isnonpositive()' , t => { t.is( ZZ.from(-1).isnonpositive() , true ) ; } ) ;
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test( 'ZZ.from(0).isnonpositive()' , t => { t.is( ZZ.from(0).isnonpositive() , true ) ; } ) ;
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test( 'ZZ.from(-0).isnonpositive()' , t => { t.is( ZZ.from(-0).isnonpositive() , true ) ; } ) ;
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test( 'ZZ.from(1).isnonpositive()' , t => { t.is( ZZ.from(1).isnonpositive() , false ) ; } ) ;
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test( 'ZZ.from(2).isnonpositive()' , t => { t.is( ZZ.from(2).isnonpositive() , false ) ; } ) ;
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test( 'ZZ.from("-2").isnonpositive()' , t => { t.is( ZZ.from("-2").isnonpositive() , true ) ; } ) ;
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test( 'ZZ.from("-1").isnonpositive()' , t => { t.is( ZZ.from("-1").isnonpositive() , true ) ; } ) ;
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test( 'ZZ.from("0").isnonpositive()' , t => { t.is( ZZ.from("0").isnonpositive() , true ) ; } ) ;
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test( 'ZZ.from("-0").isnonpositive()' , t => { t.is( ZZ.from("-0").isnonpositive() , true ) ; } ) ;
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test( 'ZZ.from("1").isnonpositive()' , t => { t.is( ZZ.from("1").isnonpositive() , false ) ; } ) ;
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test( 'ZZ.from("2").isnonpositive()' , t => { t.is( ZZ.from("2").isnonpositive() , false ) ; } ) ;

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