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Fix ResizableIntArrayTests readability

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Change-Id: I68862b98f228210f1d76fef4fd7454edbfd8e01d
This commit is contained in:
Tadashi G. Takaoka 2014-01-07 17:43:44 +09:00
parent 9b351f7594
commit e13cc9d7e5
2 changed files with 90 additions and 69 deletions
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1
java/src/com/android/inputmethod/latin/utils/ResizableIntArray.java
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@ -34,6 +34,7 @@ public final class ResizableIntArray {
throw new ArrayIndexOutOfBoundsException("length=" + mLength + "; index=" + index);
}
// TODO: Rename this method to addAt.
public void add(final int index, final int val) {
if (index < mLength) {
mArray[index] = val;

158
tests/src/com/android/inputmethod/latin/utils/ResizableIntArrayTests.java
View file

@ -39,7 +39,8 @@ public class ResizableIntArrayTests extends AndroidTestCase {
int[] array2 = null, array3 = null;
final int limit = DEFAULT_CAPACITY * 2 + 10;
for (int i = 0; i < limit; i++) {
src.add(i);
final int value = i;
src.add(value);
assertEquals("length after add " + i, i + 1, src.getLength());
if (i == DEFAULT_CAPACITY) {
array2 = src.getPrimitiveArray();
@ -56,7 +57,8 @@ public class ResizableIntArrayTests extends AndroidTestCase {
}
}
for (int i = 0; i < limit; i++) {
assertEquals("value at " + i, i, src.get(i));
final int value = i;
assertEquals("value at " + i, value, src.get(i));
}
}
@ -64,11 +66,13 @@ public class ResizableIntArrayTests extends AndroidTestCase {
final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY);
final int limit = DEFAULT_CAPACITY * 10, step = DEFAULT_CAPACITY * 2;
for (int i = 0; i < limit; i += step) {
src.add(i, i);
final int value = i;
src.add(i, value);
assertEquals("length after add at " + i, i + 1, src.getLength());
}
for (int i = 0; i < limit; i += step) {
assertEquals("value at " + i, i, src.get(i));
final int value = i;
assertEquals("value at " + i, value, src.get(i));
}
}
@ -88,9 +92,10 @@ public class ResizableIntArrayTests extends AndroidTestCase {
}
final int index = DEFAULT_CAPACITY / 2;
src.add(index, 100);
final int valueAddAt = 100;
src.add(index, valueAddAt);
assertEquals("legth after add at " + index, index + 1, src.getLength());
assertEquals("value after add at " + index, 100, src.get(index));
assertEquals("value after add at " + index, valueAddAt, src.get(index));
assertEquals("value after add at 0", 0, src.get(0));
try {
final int value = src.get(src.getLength());
@ -104,7 +109,8 @@ public class ResizableIntArrayTests extends AndroidTestCase {
final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY);
final int[] array = src.getPrimitiveArray();
for (int i = 0; i < DEFAULT_CAPACITY; i++) {
src.add(i);
final int value = i;
src.add(value);
assertEquals("length after add " + i, i + 1, src.getLength());
}
@ -116,7 +122,8 @@ public class ResizableIntArrayTests extends AndroidTestCase {
int[] array3 = null;
for (int i = 0; i < DEFAULT_CAPACITY; i++) {
src.add(i);
final int value = i;
src.add(value);
assertEquals("length after add " + i, i + 1, src.getLength());
if (i == smallerLength) {
array3 = src.getPrimitiveArray();
@ -133,7 +140,8 @@ public class ResizableIntArrayTests extends AndroidTestCase {
final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY);
final int[] array = src.getPrimitiveArray();
for (int i = 0; i < DEFAULT_CAPACITY; i++) {
src.add(i);
final int value = i;
src.add(value);
assertEquals("length after add " + i, i + 1, src.getLength());
}
@ -144,11 +152,11 @@ public class ResizableIntArrayTests extends AndroidTestCase {
assertNotSame("array after larger setLength", array, array2);
assertEquals("array length after larger setLength", largerLength, array2.length);
for (int i = 0; i < largerLength; i++) {
final int v = src.get(i);
final int value = i;
if (i < DEFAULT_CAPACITY) {
assertEquals("value at " + i, i, v);
assertEquals("value at " + i, value, src.get(i));
} else {
assertEquals("value at " + i, 0, v);
assertEquals("value at " + i, 0, src.get(i));
}
}
@ -159,7 +167,8 @@ public class ResizableIntArrayTests extends AndroidTestCase {
assertSame("array after smaller setLength", array2, array3);
assertEquals("array length after smaller setLength", largerLength, array3.length);
for (int i = 0; i < smallerLength; i++) {
assertEquals("value at " + i, i, src.get(i));
final int value = i;
assertEquals("value at " + i, value, src.get(i));
}
}
@ -167,7 +176,8 @@ public class ResizableIntArrayTests extends AndroidTestCase {
final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY);
final int limit = DEFAULT_CAPACITY * 2 + 10;
for (int i = 0; i < limit; i++) {
src.add(i);
final int value = i;
src.add(value);
}
final ResizableIntArray dst = new ResizableIntArray(DEFAULT_CAPACITY);
@ -179,7 +189,8 @@ public class ResizableIntArrayTests extends AndroidTestCase {
public void testCopy() {
final ResizableIntArray src = new ResizableIntArray(DEFAULT_CAPACITY);
for (int i = 0; i < DEFAULT_CAPACITY; i++) {
src.add(i);
final int value = i;
src.add(value);
}
final ResizableIntArray dst = new ResizableIntArray(DEFAULT_CAPACITY);
@ -204,119 +215,126 @@ public class ResizableIntArrayTests extends AndroidTestCase {
}
public void testAppend() {
final int srcLen = DEFAULT_CAPACITY;
final ResizableIntArray src = new ResizableIntArray(srcLen);
for (int i = 0; i < srcLen; i++) {
src.add(i);
final int srcLength = DEFAULT_CAPACITY;
final ResizableIntArray src = new ResizableIntArray(srcLength);
for (int i = 0; i < srcLength; i++) {
final int value = i;
src.add(value);
}
final ResizableIntArray dst = new ResizableIntArray(DEFAULT_CAPACITY * 2);
final int[] array = dst.getPrimitiveArray();
final int dstLen = DEFAULT_CAPACITY / 2;
for (int i = 0; i < dstLen; i++) {
final int dstLength = DEFAULT_CAPACITY / 2;
for (int i = 0; i < dstLength; i++) {
final int value = -i - 1;
dst.add(value);
}
final ResizableIntArray dstCopy = new ResizableIntArray(dst.getLength());
dstCopy.copy(dst);
dst.append(src, 0, 0);
assertEquals("length after append zero", dstLen, dst.getLength());
final int startPos = 0;
dst.append(src, startPos, 0 /* length */);
assertEquals("length after append zero", dstLength, dst.getLength());
assertSame("array after append zero", array, dst.getPrimitiveArray());
assertIntArrayEquals("values after append zero",
dstCopy.getPrimitiveArray(), 0, dst.getPrimitiveArray(), 0, dstLen);
assertIntArrayEquals("values after append zero", dstCopy.getPrimitiveArray(), startPos,
dst.getPrimitiveArray(), startPos, dstLength);
dst.append(src, 0, srcLen);
assertEquals("length after append", dstLen + srcLen, dst.getLength());
dst.append(src, startPos, srcLength);
assertEquals("length after append", dstLength + srcLength, dst.getLength());
assertSame("array after append", array, dst.getPrimitiveArray());
assertTrue("primitive length after append",
dst.getPrimitiveArray().length >= dstLen + srcLen);
assertIntArrayEquals("original values after append",
dstCopy.getPrimitiveArray(), 0, dst.getPrimitiveArray(), 0, dstLen);
assertIntArrayEquals("appended values after append",
src.getPrimitiveArray(), 0, dst.getPrimitiveArray(), dstLen, srcLen);
dst.getPrimitiveArray().length >= dstLength + srcLength);
assertIntArrayEquals("original values after append", dstCopy.getPrimitiveArray(), startPos,
dst.getPrimitiveArray(), startPos, dstLength);
assertIntArrayEquals("appended values after append", src.getPrimitiveArray(), startPos,
dst.getPrimitiveArray(), dstLength, srcLength);
dst.append(src, 0, srcLen);
assertEquals("length after 2nd append", dstLen + srcLen * 2, dst.getLength());
dst.append(src, startPos, srcLength);
assertEquals("length after 2nd append", dstLength + srcLength * 2, dst.getLength());
assertNotSame("array after 2nd append", array, dst.getPrimitiveArray());
assertTrue("primitive length after 2nd append",
dst.getPrimitiveArray().length >= dstLen + srcLen * 2);
dst.getPrimitiveArray().length >= dstLength + srcLength * 2);
assertIntArrayEquals("original values after 2nd append",
dstCopy.getPrimitiveArray(), 0, dst.getPrimitiveArray(), 0, dstLen);
dstCopy.getPrimitiveArray(), startPos, dst.getPrimitiveArray(), startPos,
dstLength);
assertIntArrayEquals("appended values after 2nd append",
src.getPrimitiveArray(), 0, dst.getPrimitiveArray(), dstLen, srcLen);
src.getPrimitiveArray(), startPos, dst.getPrimitiveArray(), dstLength,
srcLength);
assertIntArrayEquals("appended values after 2nd append",
src.getPrimitiveArray(), 0, dst.getPrimitiveArray(), dstLen + srcLen, srcLen);
src.getPrimitiveArray(), startPos, dst.getPrimitiveArray(), dstLength + srcLength,
srcLength);
}
public void testFill() {
final int srcLen = DEFAULT_CAPACITY;
final ResizableIntArray src = new ResizableIntArray(srcLen);
for (int i = 0; i < srcLen; i++) {
src.add(i);
final int srcLength = DEFAULT_CAPACITY;
final ResizableIntArray src = new ResizableIntArray(srcLength);
for (int i = 0; i < srcLength; i++) {
final int value = i;
src.add(value);
}
final int[] array = src.getPrimitiveArray();
final int startPos = srcLen / 3;
final int length = srcLen / 3;
final int startPos = srcLength / 3;
final int length = srcLength / 3;
final int endPos = startPos + length;
assertTrue(startPos >= 1);
final int value = 123;
final int fillValue = 123;
try {
src.fill(value, -1, length);
src.fill(fillValue, -1 /* startPos */, length);
fail("fill from -1 shouldn't succeed");
} catch (IllegalArgumentException e) {
// success
}
try {
src.fill(value, startPos, -1);
src.fill(fillValue, startPos, -1 /* length */);
fail("fill negative length shouldn't succeed");
} catch (IllegalArgumentException e) {
// success
}
src.fill(value, startPos, length);
assertEquals("length after fill", srcLen, src.getLength());
src.fill(fillValue, startPos, length);
assertEquals("length after fill", srcLength, src.getLength());
assertSame("array after fill", array, src.getPrimitiveArray());
for (int i = 0; i < srcLen; i++) {
final int v = src.get(i);
for (int i = 0; i < srcLength; i++) {
final int value = i;
if (i >= startPos && i < endPos) {
assertEquals("new values after fill at " + i, value, v);
assertEquals("new values after fill at " + i, fillValue, src.get(i));
} else {
assertEquals("unmodified values after fill at " + i, i, v);
assertEquals("unmodified values after fill at " + i, value, src.get(i));
}
}
final int length2 = srcLen * 2 - startPos;
final int length2 = srcLength * 2 - startPos;
final int largeEnd = startPos + length2;
assertTrue(largeEnd > srcLen);
final int value2 = 456;
src.fill(value2, startPos, length2);
assertTrue(largeEnd > srcLength);
final int fillValue2 = 456;
src.fill(fillValue2, startPos, length2);
assertEquals("length after large fill", largeEnd, src.getLength());
assertNotSame("array after large fill", array, src.getPrimitiveArray());
for (int i = 0; i < largeEnd; i++) {
final int v = src.get(i);
final int value = i;
if (i >= startPos && i < largeEnd) {
assertEquals("new values after large fill at " + i, value2, v);
assertEquals("new values after large fill at " + i, fillValue2, src.get(i));
} else {
assertEquals("unmodified values after large fill at " + i, i, v);
assertEquals("unmodified values after large fill at " + i, value, src.get(i));
}
}
final int startPos2 = largeEnd + length2;
final int endPos2 = startPos2 + length2;
final int value3 = 789;
src.fill(value3, startPos2, length2);
final int fillValue3 = 789;
src.fill(fillValue3, startPos2, length2);
assertEquals("length after disjoint fill", endPos2, src.getLength());
for (int i = 0; i < endPos2; i++) {
final int v = src.get(i);
final int value = i;
if (i >= startPos2 && i < endPos2) {
assertEquals("new values after disjoint fill at " + i, value3, v);
assertEquals("new values after disjoint fill at " + i, fillValue3, src.get(i));
} else if (i >= startPos && i < largeEnd) {
assertEquals("unmodified values after disjoint fill at " + i, value2, v);
assertEquals("unmodified values after disjoint fill at " + i,
fillValue2, src.get(i));
} else if (i < startPos) {
assertEquals("unmodified values after disjoint fill at " + i, i, v);
assertEquals("unmodified values after disjoint fill at " + i, value, src.get(i));
} else {
assertEquals("gap values after disjoint fill at " + i, 0, v);
assertEquals("gap values after disjoint fill at " + i, 0, src.get(i));
}
}
}
@ -346,12 +364,14 @@ public class ResizableIntArrayTests extends AndroidTestCase {
final int limit = DEFAULT_CAPACITY * 10;
final int shiftAmount = 20;
for (int i = 0; i < limit; ++i) {
src.add(i, i);
final int value = i;
src.add(i, value);
assertEquals("length after add at " + i, i + 1, src.getLength());
}
src.shift(shiftAmount);
for (int i = 0; i < limit - shiftAmount; ++i) {
assertEquals("value at " + i, i + shiftAmount, src.get(i));
final int oldValue = i + shiftAmount;
assertEquals("value at " + i, oldValue, src.get(i));
}
}
}