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1 /* Copyright (c) 2000-2003, jMock.org. See bundled LICENSE.txt */ 2 package org.jmock; 3 4 import org.jmock.constraint.*; 5 import org.jmock.dynamic.Invocation; 6 import org.jmock.matcher.ArgumentsMatcher; 7 import org.jmock.matcher.StatelessInvocationMatcher; 8 9 /*** 10 * Convenient factory functions and constants for building Constraints. 11 */ 12 public abstract class C { 13 public static final IsAnything IS_ANYTHING = new IsAnything(); 14 public static final IsNull IS_NULL = new IsNull(); 15 public static final Constraint IS_NOT_NULL = not(IS_NULL); 16 public static final Constraint IS_TRUE = eq(new Boolean(true)); 17 public static final Constraint IS_FALSE = eq(new Boolean(false)); 18 public static final Constraint IS_ZERO = eq(new Integer(0)); 19 public static final Constraint IS_NOT_ZERO = not(IS_ZERO); 20 21 public static final InvocationMatcher NO_ARGS = 22 new StatelessInvocationMatcher() { 23 public boolean matches(Invocation invocation) { 24 return invocation.getParameterValues().isEmpty(); 25 } 26 }; 27 28 public static final InvocationMatcher ANY_ARGS = 29 new StatelessInvocationMatcher() { 30 public boolean matches(Invocation invocation) { 31 return true; 32 } 33 }; 34 35 public static Constraint same(Object o) { 36 return new IsSame(o); 37 } 38 39 public static Constraint eq(Object o) { 40 return new IsEqual(o); 41 } 42 43 public static InvocationMatcher eq(Object arg0, Object arg1) { 44 return args(eq(arg0), eq(arg1)); 45 } 46 47 public static InvocationMatcher eq(Object arg0, Object arg1, Object arg2) { 48 return args(eq(arg0), eq(arg1), eq(arg2)); 49 } 50 51 public static InvocationMatcher eq(Object arg0, Object arg1, Object arg2, Object arg3) { 52 return args(eq(arg0), eq(arg1), eq(arg2), eq(arg3)); 53 } 54 55 public static Constraint eq(int n) { 56 return new IsEqual(new Integer(n)); 57 } 58 59 public static Constraint eq(long l) { 60 return new IsEqual(new Long(l)); 61 } 62 63 public static Constraint eq(double d) { 64 return new IsEqual(new Double(d)); 65 } 66 67 public static Constraint gt(int n) { 68 return new IsGreaterThan(new Integer(n)); 69 } 70 71 public static Constraint gt(long l) { 72 return new IsGreaterThan(new Long(l)); 73 } 74 75 public static Constraint gt(double d) { 76 return new IsGreaterThan(new Double(d)); 77 } 78 79 public static Constraint gt(char c) { 80 return new IsGreaterThan(new Character(c)); 81 } 82 83 public static Constraint lt(int n) { 84 return new IsLessThan(new Integer(n)); 85 } 86 87 public static Constraint lt(long l) { 88 return new IsLessThan(new Long(l)); 89 } 90 91 public static Constraint lt(double d) { 92 return new IsLessThan(new Double(d)); 93 } 94 95 public static Constraint lt(char c) { 96 return new IsLessThan(new Character(c)); 97 } 98 99 public static Constraint not(Constraint p) { 100 return new IsNot(p); 101 } 102 103 public static Constraint and(Constraint p1, Constraint p2) { 104 return new And(p1, p2); 105 } 106 107 public static Constraint or(Constraint p1, Constraint p2) { 108 return new Or(p1, p2); 109 } 110 111 public static Constraint isA(Class c) { 112 return new IsInstanceOf(c); 113 } 114 115 /* Helper methods for succinctly constructing Constraint arrays 116 */ 117 118 public static InvocationMatcher args() { 119 return NO_ARGS; 120 } 121 122 public static InvocationMatcher args(Constraint p) { 123 return new ArgumentsMatcher(new Constraint[]{p}); 124 } 125 126 public static InvocationMatcher args(Constraint p1, Constraint p2) { 127 return new ArgumentsMatcher(new Constraint[]{p1, p2}); 128 } 129 130 public static InvocationMatcher args(Constraint p1, Constraint p2, Constraint p3) { 131 return new ArgumentsMatcher(new Constraint[]{p1, p2, p3}); 132 } 133 134 public static InvocationMatcher args(Constraint p1, Constraint p2, Constraint p3, Constraint p4) { 135 return new ArgumentsMatcher(new Constraint[]{p1, p2, p3, p4}); 136 } 137 138 public static InvocationMatcher anyArgs(int argCount) { 139 Constraint[] constraints = new Constraint[argCount]; 140 for (int i = 0; i < constraints.length; i++) { 141 constraints[i] = new IsAnything(); 142 } 143 144 return new ArgumentsMatcher(constraints); 145 } 146 }

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