BaselineUtil.java
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* wcm.io
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* Copyright (C) 2020 wcm.io
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* Licensed under the Apache License, Version 2.0 (the "License");
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package io.wcm.qa.glnm.hamcrest.baseline;
import org.hamcrest.Matcher;
import io.wcm.qa.glnm.differences.base.Difference;
import io.wcm.qa.glnm.differences.base.Differences;
import io.wcm.qa.glnm.differences.generic.MutableDifferences;
final class BaselineUtil {
private BaselineUtil() {
// do not instantiate
}
static <T> DifferentiatingMatcher<T> differentiate(Matcher<T> matcher) {
return differentiate(matcher, new MutableDifferences());
}
static <T> DifferentiatingMatcher<T> differentiate(Matcher<T> matcher, Differences differences) {
if (matcher instanceof DifferentiatingMatcher) {
DifferentiatingMatcher<T> differentiatingMatcher = (DifferentiatingMatcher<T>)matcher;
for (Difference difference : differences) {
differentiatingMatcher.add(difference);
}
return differentiatingMatcher;
}
return new DifferentiatingMatcherWrapper<T>(matcher, differences);
}
}