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package com.jcabi.aspects.aj;
import org.hamcrest.MatcherAssert;
import org.hamcrest.Matchers;
import org.junit.Test;
/**
* Test case for {@link Mnemos}.
* @author Yegor Bugayenko (yegor@tpc2.com)
* @version $Id: 08e42d7f9ebcf749d03c1bce16372b0c529068ee $
*/
public final class MnemosTest {
/**
* The representation of a empty array.
*/
private static final transient String EMPTY_ARRAY = "[]";
/**
* Mnemos can build a string from an object.
* @throws Exception If something goes wrong
*/
@Test
public void buildsTextFromObject() throws Exception {
final Object[][] pairs = new Object[][] {
new Object[] {1, "1"},
new Object[] {1.43f, "1.43"},
new Object[] {"\u20ac-plain", "'\u20ac-plain'"},
new Object[] {"test ", "'test '"},
new Object[] {null, "NULL"},
new Object[] {new String[0], MnemosTest.EMPTY_ARRAY},
new Object[] {new String[] {"abc", "x"}, "['abc', 'x']"},
new Object[] {new Object[] {null, 5}, "[NULL, 5]"},
};
this.validateText(pairs);
}
/**
* Mnemos can handle toxic objects gracefully.
* @throws Exception If something goes wrong
*/
@Test
public void handlesToxicObjectsGracefully() throws Exception {
MatcherAssert.assertThat(
Mnemos.toText(
new Object() {
@Override
public String toString() {
throw new IllegalArgumentException("boom");
}
}, true, false
),
Matchers.equalTo(
// @checkstyle LineLength (1 line)
"[com.jcabi.aspects.aj.MnemosTest$1 thrown java.lang.IllegalArgumentException(boom)]"
)
);
}
/**
* Mnemos can build a string from an int array.
* @throws Exception If something goes wrong
*/
@Test
public void buildsTextFromIntArray() throws Exception {
final Object[][] pairs = new Object[][] {
new Object[] {new int[0], MnemosTest.EMPTY_ARRAY},
new Object[] {new int[] {1}, "[1]"},
new Object[] {new int[] {1, 2, 3}, "[1, 2, 3]"},
};
this.validateText(pairs);
}
/**
* Mnemos can build a string from an long array.
* @throws Exception If something goes wrong
*/
@Test
public void buildsTextFromLongArray() throws Exception {
final Object[][] pairs = new Object[][] {
new Object[] {new long[0], MnemosTest.EMPTY_ARRAY},
new Object[] {new long[] {2L}, "[2]"},
new Object[] {new long[] {2L, 3L, 4L}, "[2, 3, 4]"},
};
this.validateText(pairs);
}
/**
* Mnemos can build a string from an float array.
* @throws Exception If something goes wrong
*/
@Test
public void buildsTextFromFloatArray() throws Exception {
final Object[][] pairs = new Object[][] {
new Object[] {new float[0], MnemosTest.EMPTY_ARRAY},
new Object[] {new float[] {1.01f}, "[1.01]"},
new Object[] {
new float[] {1.01f, 2.02f, 3.03f},
"[1.01, 2.02, 3.03]",
},
};
this.validateText(pairs);
}
/**
* Mnemos can build a string from an double array.
* @throws Exception If something goes wrong
*/
@Test
public void buildsTextFromDoubleArray() throws Exception {
final Object[][] pairs = new Object[][] {
new Object[] {new double[0], MnemosTest.EMPTY_ARRAY},
new Object[] {new double[] {2.01}, "[2.01]"},
new Object[] {
new double[] {2.01, 2.02, 2.03},
"[2.01, 2.02, 2.03]",
},
};
this.validateText(pairs);
}
/**
* Mnemos can build a string from an char array.
* @throws Exception If something goes wrong
*/
@Test
public void buildsTextFromCharArray() throws Exception {
final Object[][] pairs = new Object[][] {
new Object[] {new char[0], MnemosTest.EMPTY_ARRAY},
new Object[] {new char[] {'a'}, "[a]"},
new Object[] {new char[] {'a', 'b', 'c'}, "[a, b, c]"},
};
this.validateText(pairs);
}
/**
* Mnemos can build a string from an boolean array.
* @throws Exception If something goes wrong
*/
@Test
public void buildsTextFromBooleanArray() throws Exception {
final Object[][] pairs = new Object[][] {
new Object[] {new boolean[0], MnemosTest.EMPTY_ARRAY},
new Object[] {new boolean[] {true}, "[true]"},
new Object[] {
new boolean[] {true, false, false},
"[true, false, false]",
},
};
this.validateText(pairs);
}
/**
* Method that validates the text built from an object.
* @param pairs The object pairs to validate.
*/
private void validateText(final Object[]... pairs) {
for (final Object[] pair : pairs) {
MatcherAssert.assertThat(
Mnemos.toText(pair[0], false, false),
Matchers.equalTo(pair[1].toString())
);
}
}
}