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package fj.test;
import static fj.Function.curry;
import static fj.Function.compose2;
import static fj.P.p;
import fj.F;
import fj.F2;
import fj.F3;
import fj.F4;
import fj.F5;
import fj.F6;
import fj.F7;
import fj.F8;
import fj.P;
import fj.P1;
import fj.P2;
import static fj.P2.__2;
import fj.data.List;
import fj.data.Option;
import static fj.data.Option.none;
import fj.data.Stream;
import static fj.test.Arg.arg;
import static fj.test.CheckResult.exhausted;
import static fj.test.CheckResult.falsified;
import static fj.test.CheckResult.genException;
import static fj.test.CheckResult.passed;
import static fj.test.CheckResult.propException;
import static fj.test.CheckResult.proven;
import static fj.test.Result.noResult;
import static java.lang.Math.round;
/**
* Represents an algebraic property about a program that may be {@link #check(Rand, int, int, int,
* int) checked} for its truth value. For example, it is true that "for all integers (call it x) and
* for all integers (call it y), then x + y is equivalent to y + x". This statement is a (algebraic)
* property, proposition or theorem that, when checked, will at least (depending on arguments) fail
* to be falsified — since there does not exist a counter-example to this statement.
*
* @version %build.number%
*/
public final class Property {
private final F<Integer, F<Rand, Result>> f;
private Property(final F<Integer, F<Rand, Result>> f) {
this.f = f;
}
/**
* Returns the result of applying the given size and random generator.
*
* @param i The size to use to obtain a result.
* @param r The random generator to use to obtain a result.
* @return The result of applying the given size and random generator.
*/
public Result prop(final int i, final Rand r) {
return f.f(i).f(r);
}
/**
* Returns a generator of results from this property.
*
* @return A generator of results from this property.
*/
public Gen<Result> gen() {
return Gen.gen(new F<Integer, F<Rand, Result>>() {
public F<Rand, Result> f(final Integer i) {
return new F<Rand, Result>() {
public Result f(final Rand r) {
return f.f(i).f(r);
}
};
}
});
}
/**
* Performs a conjunction of this property with the given property.
*
* @param p The property to perform the conjunction with.
* @return A conjunction of this property with the given property.
*/
public Property and(final Property p) {
return fromGen(gen().bind(p.gen(), new F<Result, F<Result, Result>>() {
public F<Result, Result> f(final Result res1) {
return new F<Result, Result>() {
public Result f(final Result res2) {
return res1.isException() || res1.isFalsified() ? res1 : res2.isException() || res2.isFalsified() ? res2 : res1.isProven() || res1.isUnfalsified() ? res2 : res2.isProven() || res2.isUnfalsified() ? res1 : noResult();
}
};
}
}));
}
/**
* Performs a disjunction of this property with the given property.
*
* @param p The property to perform the disjunction with.
* @return A disjunction of this property with the given property.
*/
public Property or(final Property p) {
return fromGen(gen().bind(p.gen(), new F<Result, F<Result, Result>>() {
public F<Result, Result> f(final Result res1) {
return new F<Result, Result>() {
public Result f(final Result res2) {
return res1.isException() || res1.isFalsified() ? res1 : res2.isException() || res2.isFalsified() ? res2 : res1.isProven() || res1.isUnfalsified() ? res1 : res2.isProven() || res2.isUnfalsified() ? res2 : noResult();
}
};
}
}));
}
/**
* Performs a sequence of this property with the given property. The returned property holds if
* and only if this property and the given property also hold. If one property does not hold, but
* the other does, then the returned property will produce the same result and the property that
* holds.
*
* @param p The property to sequence this property with.
* @return A sequence of this property with the given property.
*/
public Property sequence(final Property p) {
return fromGen(gen().bind(p.gen(), new F<Result, F<Result, Result>>() {
public F<Result, Result> f(final Result res1) {
return new F<Result, Result>() {
public Result f(final Result res2) {
return res1.isException() || res1.isProven() || res1.isUnfalsified() ? res1 : res2.isException() || res2.isProven() || res2.isUnfalsified() ? res2 : res1.isFalsified() ? res2 : res2.isFalsified() ? res1 : noResult();
}
};
}
}));
}
/**
* Checks this property using the given arguments and produces a result.
*
* @param r The random generator to use for checking.
* @param minSuccessful The minimum number of successful tests before a result is reached.
* @param maxDiscarded The maximum number of tests discarded because they did not satisfy
* pre-conditions (i.e. {@link #implies(boolean, P1)}).
* @param minSize The minimum size to use for checking.
* @param maxSize The maximum size to use for checking.
* @return A result after checking this property.
*/
@SuppressWarnings({"ThrowableResultOfMethodCallIgnored"})
public CheckResult check(final Rand r,
final int minSuccessful,
final int maxDiscarded,
final int minSize,
final int maxSize) {
int s = 0;
int d = 0;
float sz = minSize;
CheckResult res;
while (true) {
final float size = s == 0 && d == 0 ? minSize : sz + (maxSize - sz) / (minSuccessful - s);
try {
final Result x = f.f(round(size)).f(r);
if (x.isNoResult())
if (d + 1 >= maxDiscarded) {
res = exhausted(s, d + 1);
break;
} else {
sz = size;
d++;
}
else if (x.isProven()) {
res = proven(x.args().some(), s + 1, d);
break;
} else if (x.isUnfalsified())
if (s + 1 >= minSuccessful) {
res = passed(s + 1, d);
break;
} else {
sz = size;
s++;
}
else if (x.isFalsified()) {
res = falsified(x.args().some(), s, d);
break;
} else if (x.isException()) {
res = propException(x.args().some(), x.exception().some(), s, d);
break;
}
} catch (final Throwable t) {
genException(t, s, d);
}
}
return res;
}
/**
* Checks this property using a {@link Rand#Rand(F, F) standard random generator} and the given
* arguments to produce a result.
*
* @param minSuccessful The minimum number of successful tests before a result is reached.
* @param maxDiscarded The maximum number of tests discarded because they did not satisfy
* pre-conditions (i.e. {@link #implies(boolean, P1)}).
* @param minSize The minimum size to use for checking.
* @param maxSize The maximum size to use for checking.
* @return A result after checking this property.
*/
public CheckResult check(final int minSuccessful,
final int maxDiscarded,
final int minSize,
final int maxSize) {
return check(Rand.standard, minSuccessful, maxDiscarded, minSize, maxSize);
}
/**
* Checks this property using the given random generator, 100 minimum successful checks, 500
* maximum discarded tests, minimum size of 0, maximum size of 100.
*
* @param r The random generator.
* @return A result after checking this property.
*/
public CheckResult check(final Rand r) {
return check(r, 100, 500, 0, 100);
}
/**
* Checks this property using the given random generator, 100 minimum successful checks, 500
* maximum discarded tests, the given minimum size and the given maximum size.
*
* @param r The random generator.
* @param minSize The minimum size to use for checking.
* @param maxSize The maximum size to use for checking.
* @return A result after checking this property.
*/
public CheckResult check(final Rand r, final int minSize, final int maxSize) {
return check(r, 100, 500, minSize, maxSize);
}
/**
* Checks this property using a {@link Rand#Rand(F, F) standard random generator}, 100 minimum
* successful checks, 500 maximum discarded tests and the given arguments to produce a result.
*
* @param minSize The minimum size to use for checking.
* @param maxSize The maximum size to use for checking.
* @return A result after checking this property.
*/
public CheckResult check(final int minSize,
final int maxSize) {
return check(100, 500, minSize, maxSize);
}
/**
* Checks this property using a {@link Rand#Rand(F, F) standard random generator}, 100 minimum
* successful checks, 500 maximum discarded tests, minimum size of 0, maximum size of 100.
*
* @return A result after checking this property.
*/
public CheckResult check() {
return check(0, 100);
}
/**
* Checks this property using a {@link Rand#Rand(F, F) standard random generator}, the given minimum
* successful checks, 500 maximum discarded tests, minimum size of 0, maximum size of 100.
*
* @param minSuccessful The minimum number of successful tests before a result is reached.
* @return A result after checking this property.
*/
public CheckResult minSuccessful(final int minSuccessful) {
return check(minSuccessful, 500, 0, 100);
}
/**
* Checks this property using the given random generator, the given minimum
* successful checks, 500 maximum discarded tests, minimum size of 0, maximum size of 100.
*
* @param r The random generator.
* @param minSuccessful The minimum number of successful tests before a result is reached.
* @return A result after checking this property.
*/
public CheckResult minSuccessful(final Rand r, final int minSuccessful) {
return check(r, minSuccessful, 500, 0, 100);
}
/**
* Checks this property using a {@link Rand#Rand(F, F) standard random generator}, 100 minimum
* successful checks, the given maximum discarded tests, minimum size of 0, maximum size of 100.
*
* @param maxDiscarded The maximum number of tests discarded because they did not satisfy
* pre-conditions (i.e. {@link #implies(boolean, P1)}).
* @return A result after checking this property.
*/
public CheckResult maxDiscarded(final int maxDiscarded) {
return check(100, maxDiscarded, 0, 100);
}
/**
* Checks this property using a the given random generator}, 100 minimum
* successful checks, the given maximum discarded tests, minimum size of 0, maximum size of 100.
*
* @param r The random generator.
* @param maxDiscarded The maximum number of tests discarded because they did not satisfy
* pre-conditions (i.e. {@link #implies(boolean, P1)}).
* @return A result after checking this property.
*/
public CheckResult maxDiscarded(final Rand r, final int maxDiscarded) {
return check(r, 100, maxDiscarded, 0, 100);
}
/**
* Checks this property using a {@link Rand#Rand(F, F) standard random generator}, 100 minimum
* successful checks, 500 maximum discarded tests, the given minimum size, maximum size of 100.
*
* @param minSize The minimum size to use for checking.
* @return A result after checking this property.
*/
public CheckResult minSize(final int minSize) {
return check(100, 500, minSize, 100);
}
/**
* Checks this property using the given random generator, 100 minimum
* successful checks, 500 maximum discarded tests, the given minimum size, maximum size of 100.
*
* @param r The random generator.
* @param minSize The minimum size to use for checking.
* @return A result after checking this property.
*/
public CheckResult minSize(final Rand r, final int minSize) {
return check(r, 100, 500, minSize, 100);
}
/**
* Checks this property using a {@link Rand#Rand(F, F) standard random generator}, 100 minimum
* successful checks, 500 maximum discarded tests, minimum size of 0, the given maximum size.
*
* @param maxSize The maximum size to use for checking.
* @return A result after checking this property.
*/
public CheckResult maxSize(final int maxSize) {
return check(100, 500, 0, maxSize);
}
/**
* Checks this property using the given random generator, 100 minimum
* successful checks, 500 maximum discarded tests, minimum size of 0, the given maximum size.
*
* @param r The random generator.
* @param maxSize The maximum size to use for checking.
* @return A result after checking this property.
*/
public CheckResult maxSize(final Rand r, final int maxSize) {
return check(r, 100, 500, 0, maxSize);
}
/**
* Returns a property that produces a result only if the given condition satisfies. The result
* will be taken from the given property.
*
* @param b The condition that, if satisfied, produces the given property.
* @param p The property to return if the condition satisfies.
* @return A property that produces a result only if the given condition satisfies.
*/
public static Property implies(final boolean b, final P1<Property> p) {
return b ? p._1() : new Property(new F<Integer, F<Rand, Result>>() {
public F<Rand, Result> f(final Integer i) {
return new F<Rand, Result>() {
public Result f(final Rand r) {
return noResult();
}
};
}
});
}
/**
* Returns a property from the given function.
*
* @param f The function to construct the returned property with.
* @return A property from the given function.
*/
public static Property prop(final F<Integer, F<Rand, Result>> f) {
return new Property(f);
}
/**
* Returns a property that always has the given result.
*
* @param r The result of the returned property.
* @return A property that always has the given result.
*/
public static Property prop(final Result r) {
return new Property(new F<Integer, F<Rand, Result>>() {
public F<Rand, Result> f(final Integer integer) {
return new F<Rand, Result>() {
public Result f(final Rand x) {
return r;
}
};
}
});
}
/**
* Returns a property that is either proven (the given condition satsifies) or falsified
* otherwise.
*
* @param b The condition that, if satisfied, returns a property that is proven; otherwise, the
* property is falsified.
* @return A property that is either proven (the given condition satsifies) or falsified
* otherwise.
*/
public static Property prop(final boolean b) {
return b ? prop(Result.proven(List.<Arg<?>>nil())) : prop(Result.falsified(List.<Arg<?>>nil()));
}
/**
* Constructs a property from a generator of results.
*
* @param g The generator of results to constructor a property with.
* @return A property from a generator of results.
*/
public static Property fromGen(final Gen<Result> g) {
return prop(new F<Integer, F<Rand, Result>>() {
public F<Rand, Result> f(final Integer i) {
return new F<Rand, Result>() {
public Result f(final Rand r) {
return g.gen(i, r);
}
};
}
});
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments.
*
* @param g The generator to produces values from to produce the property with.
* @param shrink The shrink strategy to use upon falsification.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A> Property forall(final Gen<A> g, final Shrink<A> shrink, final F<A, P1<Property>> f) {
return prop(new F<Integer, F<Rand, Result>>() {
public F<Rand, Result> f(final Integer i) {
return new F<Rand, Result>() {
public Result f(final Rand r) {
final class Util {
@SuppressWarnings({"IfMayBeConditional"})
Option<P2<A, Result>> first(final Stream<A> as, final int shrinks) {
final Stream<Option<P2<A, Result>>> results = as.map(new F<A, Option<P2<A, Result>>>() {
public Option<P2<A, Result>> f(final A a) {
final Result result = exception(f.f(a)).prop(i, r);
return result.toOption().map(new F<Result, P2<A, Result>>() {
public P2<A, Result> f(final Result result) {
return p(a, result.provenAsUnfalsified().addArg(arg(a, shrinks)));
}
});
}
});
if (results.isEmpty())
return none();
else return results.find(new F<Option<P2<A, Result>>, Boolean>() {
public Boolean f(final Option<P2<A, Result>> o) {
return failed(o);
}
}).orSome(new P1<Option<P2<A, Result>>>() {
public Option<P2<A, Result>> _1() {
return results.head();
}
});
}
public boolean failed(final Option<P2<A, Result>> o) {
return o.isSome() && o.some()._2().failed();
}
}
final Util u = new Util();
Option<P2<A, Result>> x = u.first(Stream.single(g.gen(i, r)), 0);
final F<P2<A, Result>, Result> __2 = __2();
if (u.failed(x)) {
Option<Result> or;
int shrinks = 0;
do {
shrinks++;
or = x.map(__2);
x = u.first(shrink.shrink(x.some()._1()), shrinks);
}
while (u.failed(x));
return noResult(or);
} else
return noResult(x.map(__2));
}
};
}
});
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param sa The shrink strategy to use upon falsification.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A> Property propertyP(final Arbitrary<A> aa, final Shrink<A> sa, final F<A, P1<Property>> f) {
return forall(aa.gen, sa, f);
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param sa The shrink strategy to use upon falsification.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A> Property property(final Arbitrary<A> aa, final Shrink<A> sa, final F<A, Property> f) {
return propertyP(aa, sa, P1.curry(f));
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments. No shrinking occurs upon falsification.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A> Property propertyP(final Arbitrary<A> aa, final F<A, P1<Property>> f) {
return propertyP(aa, Shrink.<A>empty(), f);
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments. No shrinking occurs upon falsification.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A> Property property(final Arbitrary<A> aa, final F<A, Property> f) {
return propertyP(aa, P1.curry(f));
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param ab The arbitrrary to produces values from to produce the property with.
* @param sa The shrink strategy to use upon falsification.
* @param sb The shrink strategy to use upon falsification.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A, B> Property propertyP(final Arbitrary<A> aa, final Arbitrary<B> ab, final Shrink<A> sa, final Shrink<B> sb, final F<A, F<B, P1<Property>>> f) {
return property(aa, sa, new F<A, Property>() {
public Property f(final A a) {
return propertyP(ab, sb, new F<B, P1<Property>>() {
public P1<Property> f(final B b) {
return f.f(a).f(b);
}
});
}
});
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param ab The arbitrrary to produces values from to produce the property with.
* @param sa The shrink strategy to use upon falsification.
* @param sb The shrink strategy to use upon falsification.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A, B> Property property(final Arbitrary<A> aa, final Arbitrary<B> ab, final Shrink<A> sa, final Shrink<B> sb, final F<A, F<B, Property>> f) {
return propertyP(aa, ab, sa, sb, compose2(P.<Property>p1(), f));
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments. No shrinking occurs upon falsification.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param ab The arbitrrary to produces values from to produce the property with.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A, B> Property propertyP(final Arbitrary<A> aa, final Arbitrary<B> ab, final F<A, F<B, P1<Property>>> f) {
return property(aa, new F<A, Property>() {
public Property f(final A a) {
return propertyP(ab, new F<B, P1<Property>>() {
public P1<Property> f(final B b) {
return f.f(a).f(b);
}
});
}
});
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments. No shrinking occurs upon falsification.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param ab The arbitrrary to produces values from to produce the property with.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A, B> Property property(final Arbitrary<A> aa, final Arbitrary<B> ab, final F<A, F<B, Property>> f) {
return propertyP(aa, ab, compose2(P.<Property>p1(), f));
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param ab The arbitrrary to produces values from to produce the property with.
* @param sa The shrink strategy to use upon falsification.
* @param sb The shrink strategy to use upon falsification.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A, B> Property propertyP(final Arbitrary<A> aa, final Arbitrary<B> ab, final Shrink<A> sa, final Shrink<B> sb, final F2<A, B, P1<Property>> f) {
return propertyP(aa, ab, sa, sb, curry(f));
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param ab The arbitrrary to produces values from to produce the property with.
* @param sa The shrink strategy to use upon falsification.
* @param sb The shrink strategy to use upon falsification.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A, B> Property property(final Arbitrary<A> aa, final Arbitrary<B> ab, final Shrink<A> sa, final Shrink<B> sb, final F2<A, B, Property> f) {
return propertyP(aa, ab, sa, sb, compose2(P.<Property>p1(), curry(f)));
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments. No shrinking occurs upon falsification.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param ab The arbitrrary to produces values from to produce the property with.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A, B> Property propertyP(final Arbitrary<A> aa, final Arbitrary<B> ab, final F2<A, B, P1<Property>> f) {
return propertyP(aa, ab, curry(f));
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments. No shrinking occurs upon falsification.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param ab The arbitrrary to produces values from to produce the property with.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A, B> Property property(final Arbitrary<A> aa, final Arbitrary<B> ab, final F2<A, B, Property> f) {
return propertyP(aa, ab, compose2(P.<Property>p1(), curry(f)));
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param ab The arbitrrary to produces values from to produce the property with.
* @param ac The arbitrrary to produces values from to produce the property with.
* @param sa The shrink strategy to use upon falsification.
* @param sb The shrink strategy to use upon falsification.
* @param sc The shrink strategy to use upon falsification.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A, B, C> Property property(final Arbitrary<A> aa,
final Arbitrary<B> ab,
final Arbitrary<C> ac,
final Shrink<A> sa,
final Shrink<B> sb,
final Shrink<C> sc,
final F<A, F<B, F<C, Property>>> f) {
return property(aa, ab, sa, sb, new F<A, F<B, Property>>() {
public F<B, Property> f(final A a) {
return new F<B, Property>() {
public Property f(final B b) {
return property(ac, sc, new F<C, Property>() {
public Property f(final C c) {
return f.f(a).f(b).f(c);
}
});
}
};
}
});
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments. No shrinking occurs upon falsification.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param ab The arbitrrary to produces values from to produce the property with.
* @param ac The arbitrrary to produces values from to produce the property with.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A, B, C> Property property(final Arbitrary<A> aa,
final Arbitrary<B> ab,
final Arbitrary<C> ac,
final F<A, F<B, F<C, Property>>> f) {
return property(aa, ab, new F<A, F<B, Property>>() {
public F<B, Property> f(final A a) {
return new F<B, Property>() {
public Property f(final B b) {
return property(ac, new F<C, Property>() {
public Property f(final C c) {
return f.f(a).f(b).f(c);
}
});
}
};
}
});
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param ab The arbitrrary to produces values from to produce the property with.
* @param ac The arbitrrary to produces values from to produce the property with.
* @param sa The shrink strategy to use upon falsification.
* @param sb The shrink strategy to use upon falsification.
* @param sc The shrink strategy to use upon falsification.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A, B, C> Property property(final Arbitrary<A> aa,
final Arbitrary<B> ab,
final Arbitrary<C> ac,
final Shrink<A> sa,
final Shrink<B> sb,
final Shrink<C> sc,
final F3<A, B, C, Property> f) {
return property(aa, ab, ac, sa, sb, sc, curry(f));
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments. No shrinking occurs upon falsification.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param ab The arbitrrary to produces values from to produce the property with.
* @param ac The arbitrrary to produces values from to produce the property with.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A, B, C> Property property(final Arbitrary<A> aa,
final Arbitrary<B> ab,
final Arbitrary<C> ac,
final F3<A, B, C, Property> f) {
return property(aa, ab, ac, curry(f));
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param ab The arbitrrary to produces values from to produce the property with.
* @param ac The arbitrrary to produces values from to produce the property with.
* @param ad The arbitrrary to produces values from to produce the property with.
* @param sa The shrink strategy to use upon falsification.
* @param sb The shrink strategy to use upon falsification.
* @param sc The shrink strategy to use upon falsification.
* @param sd The shrink strategy to use upon falsification.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A, B, C, D> Property property(final Arbitrary<A> aa,
final Arbitrary<B> ab,
final Arbitrary<C> ac,
final Arbitrary<D> ad,
final Shrink<A> sa,
final Shrink<B> sb,
final Shrink<C> sc,
final Shrink<D> sd,
final F<A, F<B, F<C, F<D, Property>>>> f) {
return property(aa, ab, ac, sa, sb, sc, new F<A, F<B, F<C, Property>>>() {
public F<B, F<C, Property>> f(final A a) {
return new F<B, F<C, Property>>() {
public F<C, Property> f(final B b) {
return new F<C, Property>() {
public Property f(final C c) {
return property(ad, sd, new F<D, Property>() {
public Property f(final D d) {
return f.f(a).f(b).f(c).f(d);
}
});
}
};
}
};
}
});
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments. No shrinking occurs upon falsification.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param ab The arbitrrary to produces values from to produce the property with.
* @param ac The arbitrrary to produces values from to produce the property with.
* @param ad The arbitrrary to produces values from to produce the property with.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A, B, C, D> Property property(final Arbitrary<A> aa,
final Arbitrary<B> ab,
final Arbitrary<C> ac,
final Arbitrary<D> ad,
final F<A, F<B, F<C, F<D, Property>>>> f) {
return property(aa, ab, ac, new F<A, F<B, F<C, Property>>>() {
public F<B, F<C, Property>> f(final A a) {
return new F<B, F<C, Property>>() {
public F<C, Property> f(final B b) {
return new F<C, Property>() {
public Property f(final C c) {
return property(ad, new F<D, Property>() {
public Property f(final D d) {
return f.f(a).f(b).f(c).f(d);
}
});
}
};
}
};
}
});
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param ab The arbitrrary to produces values from to produce the property with.
* @param ac The arbitrrary to produces values from to produce the property with.
* @param ad The arbitrrary to produces values from to produce the property with.
* @param sa The shrink strategy to use upon falsification.
* @param sb The shrink strategy to use upon falsification.
* @param sc The shrink strategy to use upon falsification.
* @param sd The shrink strategy to use upon falsification.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A, B, C, D> Property property(final Arbitrary<A> aa,
final Arbitrary<B> ab,
final Arbitrary<C> ac,
final Arbitrary<D> ad,
final Shrink<A> sa,
final Shrink<B> sb,
final Shrink<C> sc,
final Shrink<D> sd,
final F4<A, B, C, D, Property> f) {
return property(aa, ab, ac, ad, sa, sb, sc, sd, curry(f));
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments. No shrinking occurs upon falsification.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param ab The arbitrrary to produces values from to produce the property with.
* @param ac The arbitrrary to produces values from to produce the property with.
* @param ad The arbitrrary to produces values from to produce the property with.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A, B, C, D> Property property(final Arbitrary<A> aa,
final Arbitrary<B> ab,
final Arbitrary<C> ac,
final Arbitrary<D> ad,
final F4<A, B, C, D, Property> f) {
return property(aa, ab, ac, ad, curry(f));
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param ab The arbitrrary to produces values from to produce the property with.
* @param ac The arbitrrary to produces values from to produce the property with.
* @param ad The arbitrrary to produces values from to produce the property with.
* @param ae The arbitrrary to produces values from to produce the property with.
* @param sa The shrink strategy to use upon falsification.
* @param sb The shrink strategy to use upon falsification.
* @param sc The shrink strategy to use upon falsification.
* @param sd The shrink strategy to use upon falsification.
* @param se The shrink strategy to use upon falsification.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A, B, C, D, E> Property property(final Arbitrary<A> aa,
final Arbitrary<B> ab,
final Arbitrary<C> ac,
final Arbitrary<D> ad,
final Arbitrary<E> ae,
final Shrink<A> sa,
final Shrink<B> sb,
final Shrink<C> sc,
final Shrink<D> sd,
final Shrink<E> se,
final F<A, F<B, F<C, F<D, F<E, Property>>>>> f) {
return property(aa, ab, ac, ad, sa, sb, sc, sd, new F<A, F<B, F<C, F<D, Property>>>>() {
public F<B, F<C, F<D, Property>>> f(final A a) {
return new F<B, F<C, F<D, Property>>>() {
public F<C, F<D, Property>> f(final B b) {
return new F<C, F<D, Property>>() {
public F<D, Property> f(final C c) {
return new F<D, Property>() {
public Property f(final D d) {
return property(ae, se, new F<E, Property>() {
public Property f(final E e) {
return f.f(a).f(b).f(c).f(d).f(e);
}
});
}
};
}
};
}
};
}
});
}
/**
* Returns a property where its result is derived from universal quantification across the
* application of its arguments. No shrinking occurs upon falsification.
*
* @param aa The arbitrrary to produces values from to produce the property with.
* @param ab The arbitrrary to produces values from to produce the property with.
* @param ac The arbitrrary to produces values from to produce the property with.
* @param ad The arbitrrary to produces values from to produce the property with.
* @param ae The arbitrrary to produces values from to produce the property with.
* @param f The function to produce properties with results.
* @return A property where its result is derived from universal quantification across the
* application of its arguments.
*/
public static <A, B, C, D, E> Property property(final Arbitrary<A> aa,
final Arbitrary<B> ab,
final Arbitrary<C> ac,
final Arbitrary<D> ad,
final Arbitrary<E> ae,