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Add tests for Strings #295

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Merged
jbgi merged 1 commit into from
Sep 15, 2016
Merged

Add tests for Strings #295

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67 changes: 67 additions & 0 deletions core/src/test/java/fj/function/StringsTest.java
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Original file line number Diff line number Diff line change
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package fj.function;

import fj.Function;
import org.junit.Test;

import static fj.F1Functions.o;
import static fj.Function.compose;
import static fj.function.Strings.*;
import static org.junit.Assert.*;
import static org.hamcrest.core.Is.is;

public class StringsTest {
@Test
public void testLines() {
assertThat(compose(unlines(), lines()).f("one two three"), is("one two three"));
}

@Test
public void testLinesEmpty() {
assertThat(o(unlines(), lines()).f(""), is(""));
}

@Test
public void testLength() {
assertThat(length.f("functionaljava"), is(14));
}

@Test
public void testMatches() {
assertThat(matches.f("foo").f("foo"), is(true));
}

@Test
public void testContains() {
assertThat(contains.f("bar").f("foobar1"), is(true));
}

@Test(expected = NullPointerException.class)
public void testIsEmptyException() {
assertThat(isEmpty.f(null), is(true));
}

@Test
public void testIsEmpty() {
assertThat(isEmpty.f(""), is(true));
}

@Test
public void testIsNotNullOrEmpty() {
assertThat(isNotNullOrEmpty.f("foo"), is(true));
}

@Test
public void testIsNullOrEmpty() {
assertThat(isNullOrEmpty.f(null), is(true));
}

@Test
public void testIsNotNullOrBlank() {
assertThat(isNotNullOrBlank.f("foo"), is(true));
}

@Test
public void testIsNullOrBlank() {
assertThat(isNullOrBlank.f(" "), is(true));
}
}