Alawn/strman-java
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Added at function

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This commit is contained in:
Shekhar Gulati
2016-05-03 20:05:19 +05:30
parent d7910e724e
commit e6d4baa0b8
3 changed files with 45 additions and 4 deletions
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src/test/java/strman/StrmanTest.java
+12 -2
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@@ -2,10 +2,13 @@ package strman;
import org.junit.Test;
import java.util.Optional;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.junit.Assert.assertThat;
import static strman.Strman.append;
import static strman.Strman.appendArray;
import static strman.Strman.at;
public class StrmanTest {
@@ -28,11 +31,18 @@ public class StrmanTest {
assertThat(appendArray("", new String[]{"foobar"}), equalTo("foobar"));
}
@Test(expected = IllegalArgumentException.class)
public void appendArrayShouldThrowIllegalArgumentExceptionWhenValueIsNull() throws Exception {
appendArray(null, new String[]{});
}
@Test
public void shouldFindCharacterAtIndex() throws Exception {
assertThat(at("foobar", 0), equalTo(Optional.of("f")));
assertThat(at("foobar", 1), equalTo(Optional.of("o")));
assertThat(at("foobar", -1), equalTo(Optional.of("r")));
assertThat(at("foobar", -2), equalTo(Optional.of("a")));
assertThat(at("foobar", 10), equalTo(Optional.empty()));
assertThat(at("foobar", -10), equalTo(Optional.empty()));
}
}