// NB: This method assumes
// base == target.base
// offset == target.offset
// values.length == target.length
private void doTestSet(byte[] base, int offset, ByteArray target, byte[] values) {
for (int i = 0; i < values.length; ++i) {
target.set(i, values[i]);
assertEquals("Set wrong value [index = " + i + "].", values[i], target.get(i));
assertEquals(
"Didn't set value in original base array " + "[index = " + i + "].",
values[i],
base[offset + i]);
}
}
private void doTestSetBufferBoundaryCases(ByteArray target) {
try {
target.set(0, null); // Null always checked b/f index.
fail("Shouldn't accept null.");
} catch (NullPointerException npe) {
}
target.set(0, new byte[] {}); // buf.len == 0 always checked b/f
// index.
byte[] values = new byte[] {25, -1};
if (target.length == 0) {
try {
target.set(0, values);
fail("Shouldn't accept index 0 if length is 0.");
} catch (ArrayIndexOutOfBoundsException aiobe) {
}
}
try {
target.set(-1, values);
fail("Shouldn't accept negative index.");
} catch (ArrayIndexOutOfBoundsException aiobe) {
}
try {
target.set(target.length, values);
fail("Shouldn't accept index greater than length-1.");
} catch (ArrayIndexOutOfBoundsException aiobe) {
}
if (0 < target.length) {
byte original = target.get(target.length - 1);
values[0] = (byte) (original + 1);
try {
target.set(target.length - 1, values);
fail("Shouldn't accept a buffer that doesn't fit " + "into the slice.");
} catch (ArrayIndexOutOfBoundsException aiobe) {
// Ok, but check that no value has been copied:
assertEquals(
"No value should be copied if the buffer " + "doesn't fit into the slice.",
original,
target.get(target.length - 1));
}
}
}
// NB: This method assumes
// base == target.base
// offset == target.offset
// offset+index+values.length <= target.length
// valuesToCheck <= values.length
private void verifySetStream(
byte[] base, int offset, int index, ByteArray target, int valuesToCheck) {
for (int i = 0; i < valuesToCheck; ++i) {
assertEquals("Set wrong value [index = " + i + "].", 1, target.get(index + i));
assertEquals(
"Didn't set value in original base array " + "[index = " + i + "].",
1,
base[offset + index + i]);
}
// NOTE: expected value is 1 b/c mock read writes 1 into the buffer.
}
