* use the sanitize range and check in "andWith" also

* verifyInclusiveStart is not needed now that we do range checks
* the unit tests could only work in "/home/balder"

3 files changed, 13 insertions, 21 deletions

diff --git a/searchlib/src/tests/common/bitvector/bitvector_test.cpp b/searchlib/src/tests/common/bitvector/bitvector_test.cpp
index 9547e162c72..9afc4601801 100644
--- a/searchlib/src/tests/common/bitvector/bitvector_test.cpp
+++ b/searchlib/src/tests/common/bitvector/bitvector_test.cpp
@@ -304,9 +304,6 @@ TEST("requireThatSequentialOperationsOnPartialWorks")
 
     PartialBitVector after(1000, 1100);
     after.setInterval(1000, 1100);
-    EXPECT_EXCEPTION(p2.orWith(after), vespalib::IllegalArgumentException,
-                     "IllegalArgumentException: [717, 919] starts before which is not allowed currently [1000, 1100] at "
-                     "verifyInclusiveStart in /home/balder/git/vespa/searchlib/src/vespa/searchlib/common/bitvector.cpp:33");
     EXPECT_EQUAL(202u, p2.countTrueBits());
 }
 
@@ -365,9 +362,13 @@ verifyNonOverlappingWorksAsZeroPadded(bool clear, Func func) {
     BitVector::UP right = createEveryNthBitSet(3, 2000, 100);
     EXPECT_EQUAL(CNT, left->countTrueBits());
     EXPECT_EQUAL(CNT, right->countTrueBits());
-    EXPECT_EXCEPTION(func(*left, *right), vespalib::IllegalArgumentException,
-                     "IllegalArgumentException: [1000, 1100] starts before which is not allowed currently [2000, 2100] at "
-                     "verifyInclusiveStart in /home/balder/git/vespa/searchlib/src/vespa/searchlib/common/bitvector.cpp:33");
+    func(*left, *right);
+    EXPECT_EQUAL(clear ? 0 : CNT, left->countTrueBits());
+    EXPECT_EQUAL(CNT, right->countTrueBits());
+    left = createEveryNthBitSet(3, 1000, 100);
+    right = createEveryNthBitSet(3, 2000, 100);
+    EXPECT_EQUAL(CNT, left->countTrueBits());
+    EXPECT_EQUAL(CNT, right->countTrueBits());
     func(*right, *left);
     EXPECT_EQUAL(CNT, left->countTrueBits());
     EXPECT_EQUAL(clear ? 0 : CNT, right->countTrueBits());
diff --git a/searchlib/src/vespa/searchlib/common/bitvector.cpp b/searchlib/src/vespa/searchlib/common/bitvector.cpp
index 19d0e194432..cba3ef4f842 100644
--- a/searchlib/src/vespa/searchlib/common/bitvector.cpp
+++ b/searchlib/src/vespa/searchlib/common/bitvector.cpp
@@ -23,17 +23,6 @@ using vespalib::alloc::Alloc;
 
 namespace {
 
-void verifyInclusiveStart(const search::BitVector & a, const search::BitVector & b) __attribute__((noinline));
-
-void verifyInclusiveStart(const search::BitVector & a, const search::BitVector & b)
-{
-    if (a.getStartIndex() < b.getStartIndex()) {
-        throw IllegalArgumentException(make_string("[%d, %d] starts before which is not allowed currently [%d, %d]",
-                                                   a.getStartIndex(), a.size(), b.getStartIndex(), b.size()),
-                                       VESPA_STRLOC);
-    }
-}
-
 constexpr size_t MMAP_LIMIT = 256_Mi;
 
 }
@@ -192,7 +181,6 @@ BitVector::countInterval(Range range_in) const
 void
 BitVector::orWith(const BitVector & right)
 {
-    verifyInclusiveStart(*this, right);
     Range range = sanitize(right.range());
     if ( ! range.validNonZero()) return;
 
@@ -226,7 +214,11 @@ BitVector::repairEnds()
 void
 BitVector::andWith(const BitVector & right)
 {
-    verifyInclusiveStart(*this, right);
+    Range range = sanitize(right.range());
+    if ( ! range.validNonZero()) {
+        clear();
+        return;
+    }
 
     uint32_t commonBytes = std::min(getActiveBytes(), numActiveBytes(getStartIndex(), right.size()));
     IAccelrated::getAccelerator().andBit(getActiveStart(), right.getWordIndex(getStartIndex()), commonBytes);
@@ -242,7 +234,6 @@ BitVector::andWith(const BitVector & right)
 void
 BitVector::andNotWith(const BitVector& right)
 {
-    verifyInclusiveStart(*this, right);
     Range range = sanitize(right.range());
     if ( ! range.validNonZero()) return;
 
diff --git a/searchlib/src/vespa/searchlib/common/partialbitvector.h b/searchlib/src/vespa/searchlib/common/partialbitvector.h
index d1baa22f9a1..4fb5c3c0d18 100644
--- a/searchlib/src/vespa/searchlib/common/partialbitvector.h
+++ b/searchlib/src/vespa/searchlib/common/partialbitvector.h
@@ -8,7 +8,7 @@ namespace search {
 
 /**
  * search::PartialBitVector is a bitvector that is only represents 1 part
- * of the full space. All operations concerning the whole vector while only
+ * of the full space. All operations concerning the whole vector will only
  * be conducted on this smaller area.
  */
 class PartialBitVector : public BitVector