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package bjc.funcdata;
import static org.junit.Assert.*;
import org.junit.*;
@SuppressWarnings("javadoc")
public class TestMapCreation {
@Test
public void mapOfNothingCreatesEmptyMap() {
MapEx<String, String> map = MapEx.of();
assertEquals("Map is empty", 0, map.size());
}
@Test(expected = IllegalArgumentException.class)
public void mapOfMismatchedCountErrors() {
@SuppressWarnings("unused")
MapEx<String, String> map = MapEx.of("thing1");
}
@Test(expected = ClassCastException.class)
public void mapOfMismatchedTypeErrors() {
MapEx<String, String> map = MapEx.of(1, 1.0);
map.forEach((key, val) -> {
// An exception will be thrown here
});
}
@Test
public void mapOfCreatesWithGivenContents() {
MapEx<String, String> map = MapEx.of("a", "A", "b", "B");
assertTrue("Constructed map contains key 'a'", map.containsKey("a"));
assertEquals("Constructed map has key 'a' mapped to value 'A'", "A", map.get("a").get());
}
}
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