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JMockit is a Java toolkit for automated developer testing.
It contains APIs for the creation of the objects to be tested, for mocking dependencies, and for faking external
APIs; JUnit (4 & 5) and TestNG test runners are supported.
It also contains an advanced code coverage tool.
package mockit.external.asm;
import javax.annotation.*;
final class ThrowsClause
{
@Nonnull private final ConstantPoolGeneration cp;
/**
* Number of exceptions that can be thrown by the method/constructor.
*/
@Nonnegative private final int exceptionCount;
/**
* The exceptions that can be thrown by the method/constructor. More precisely, this array contains the indexes of
* the constant pool items that contain the internal names of these exception classes.
*/
@Nullable private final int[] exceptions;
ThrowsClause(@Nonnull ConstantPoolGeneration cp, @Nullable String[] exceptionTypeDescs) {
this.cp = cp;
if (exceptionTypeDescs == null) {
exceptionCount = 0;
exceptions = null;
return;
}
int n = exceptionTypeDescs.length;
exceptionCount = n;
exceptions = n == 0 ? null : new int[n];
for (int i = 0; i < n; i++) {
exceptions[i] = cp.newClass(exceptionTypeDescs[i]);
}
}
@Nonnegative int getExceptionCount() { return exceptionCount; }
boolean hasExceptions() { return exceptionCount > 0; }
int getExceptionIndex(int i) {
//noinspection ConstantConditions
return exceptions[i];
}
@Nonnegative
int getSize() {
if (exceptionCount > 0) {
cp.newUTF8("Exceptions");
return 8 + 2 * exceptionCount;
}
return 0;
}
void put(@Nonnull ByteVector out) {
int n = exceptionCount;
if (n > 0) {
@SuppressWarnings("ConstantConditions") @Nonnull int[] exceptions = this.exceptions;
out.putShort(cp.newUTF8("Exceptions")).putInt(2 * n + 2);
out.putShort(n);
for (int i = 0; i < n; i++) {
out.putShort(exceptions[i]);
}
}
}
}