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JMockit is a Java toolkit for automated developer testing. It contains APIs for the creation of the objects to be tested, for mocking dependencies, and for faking external APIs; JUnit (4 & 5) and TestNG test runners are supported. It also contains an advanced code coverage tool.

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/*
 * Copyright (c) 2006 JMockit developers
 * This file is subject to the terms of the MIT license (see LICENSE.txt).
 */
package mockit.internal.expectations.argumentMatching;

import edu.umd.cs.findbugs.annotations.NonNull;
import edu.umd.cs.findbugs.annotations.Nullable;

public final class AlwaysTrueMatcher implements ArgumentMatcher {
    public static final ArgumentMatcher ANY_STRING = new AlwaysTrueMatcher(String.class, "String");
    public static final ArgumentMatcher ANY_BOOLEAN = new AlwaysTrueMatcher(Boolean.class, "boolean");
    public static final ArgumentMatcher ANY_CHAR = new AlwaysTrueMatcher(Character.class, "char");
    public static final ArgumentMatcher ANY_BYTE = new AlwaysTrueMatcher(Byte.class, "byte");
    public static final ArgumentMatcher ANY_SHORT = new AlwaysTrueMatcher(Short.class, "short");
    public static final ArgumentMatcher ANY_INT = new AlwaysTrueMatcher(Integer.class, "int");
    public static final ArgumentMatcher ANY_FLOAT = new AlwaysTrueMatcher(Float.class, "float");
    public static final ArgumentMatcher ANY_LONG = new AlwaysTrueMatcher(Long.class, "long");
    public static final ArgumentMatcher ANY_DOUBLE = new AlwaysTrueMatcher(Double.class, "double");
    public static final ArgumentMatcher ANY_VALUE = new AlwaysTrueMatcher(Object.class, null);

    @NonNull
    private final Class expectedType;
    @Nullable
    private final String typeName;

    private AlwaysTrueMatcher(@NonNull Class expectedType, @Nullable String typeName) {
        this.expectedType = expectedType;
        this.typeName = typeName;
    }

    @Override
    public boolean same(@NonNull AlwaysTrueMatcher other) {
        return expectedType == other.expectedType;
    }

    @Override
    public boolean matches(@Nullable Object argValue) {
        return argValue == null || expectedType.isInstance(argValue);
    }

    @Override
    public void writeMismatchPhrase(@NonNull ArgumentMismatch argumentMismatch) {
        String parameterTypeName = typeName != null ? typeName : argumentMismatch.getParameterType();
        argumentMismatch.append("any ").append(parameterTypeName);
    }
}