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Model for String and StringBuilder getChars #16

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Merged
merged 2 commits into from
Nov 26, 2018
Merged

Model for String and StringBuilder getChars #16

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d08549a
Model for String.getChars
romainbrenguier Nov 23, 2018
f97622e
Model for StringBuilder.getChars
romainbrenguier Nov 23, 2018
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27 changes: 16 additions & 11 deletions src/main/java/java/lang/String.java
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Original file line number Diff line number Diff line change
Expand Up @@ -964,20 +964,25 @@ public int offsetByCodePoints(int index, int codePointOffset) {
* <li>{@code dstBegin+(srcEnd-srcBegin)} is larger than
* {@code dst.length}</ul>
*
* @diffblue.noSupport
* @diffblue.fullSupport
* @diffblue.untested
*/
public void getChars(int srcBegin, int srcEnd, char dst[], int dstBegin) {
CProver.notModelled();
// if (srcBegin < 0) {
// throw new StringIndexOutOfBoundsException(srcBegin);
// }
// if (srcEnd > value.length) {
// throw new StringIndexOutOfBoundsException(srcEnd);
// }
// if (srcBegin > srcEnd) {
// throw new StringIndexOutOfBoundsException(srcEnd - srcBegin);
// }
if (srcBegin < 0) {
throw new StringIndexOutOfBoundsException(srcBegin);
}
if (srcEnd > length()) {
throw new StringIndexOutOfBoundsException(srcEnd);
}
if (srcBegin > srcEnd) {
throw new StringIndexOutOfBoundsException(srcEnd - srcBegin);
}
// DIFFBLUE MODEL LIBRARY we inline System.arraycopy here so that we
// can specialize it for characters.
// System.arraycopy(value, srcBegin, dst, dstBegin, srcEnd - srcBegin);
for(int i = 0; i < srcEnd - srcBegin; i++) {
dst[dstBegin + i] = CProverString.charAt(this, srcBegin + i);
}
}

/**
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9 changes: 9 additions & 0 deletions src/main/java/java/lang/StringBuilder.java
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Original file line number Diff line number Diff line change
Expand Up @@ -662,4 +662,13 @@ public String toString() {
// value = (char[]) s.readObject();
// }

// DIFFBLUE MODEL LIBRARY This should be inherited from AbstractStringBuilder
/**
* @diffblue.fullSupport
* @diffblue.untested
*/
public void getChars(int srcBegin, int srcEnd, char dst[], int dstBegin) {
toString().getChars(srcBegin, srcEnd, dst, dstBegin);
}

}