public void testConcat() {
assertTrue(Arrays.equals(EMPTY, Floats.concat()));
assertTrue(Arrays.equals(EMPTY, Floats.concat(EMPTY)));
assertTrue(Arrays.equals(EMPTY, Floats.concat(EMPTY, EMPTY, EMPTY)));
assertTrue(Arrays.equals(ARRAY1, Floats.concat(ARRAY1)));
assertNotSame(ARRAY1, Floats.concat(ARRAY1));
assertTrue(Arrays.equals(ARRAY1, Floats.concat(EMPTY, ARRAY1, EMPTY)));
assertTrue(
Arrays.equals(
new float[] {(float) 1, (float) 1, (float) 1}, Floats.concat(ARRAY1, ARRAY1, ARRAY1)));
assertTrue(
Arrays.equals(
new float[] {(float) 1, (float) 2, (float) 3, (float) 4},
Floats.concat(ARRAY1, ARRAY234)));
}