dsmiley commented on a change in pull request #1123: LUCENE-9093: Unified
highlighter with word separator never gives context to the left
URL: https://github.com/apache/lucene-solr/pull/1123#discussion_r361472276
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File path:
lucene/highlighter/src/test/org/apache/lucene/search/uhighlight/LengthGoalBreakIteratorTest.java
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@@ -41,6 +43,31 @@
// 01234567890123456789
static final String CONTENT = "Aa bb. Cc dd. Ee ff";
+ public void testFragmentAlignmentConstructor() throws IOException {
+ BreakIterator baseBI = new CustomSeparatorBreakIterator('.');
+ // test fragmentAlignment validation
+ float[] valid_aligns = {0.f, 0.3333f, 0.5f, 0.99f, 1.f};
+ for (float alignment : valid_aligns) {
+ LengthGoalBreakIterator.createClosestToLength(baseBI, 50, alignment);
+ }
+ float[] invalid_aligns = {-0.01f, -1.f, 1.5f, Float.NaN,
Float.NEGATIVE_INFINITY, Float.POSITIVE_INFINITY};
+ for (float alignment : invalid_aligns) {
+ try {
+ LengthGoalBreakIterator.createClosestToLength(baseBI, 50, alignment);
+ Assert.fail("Expected IllegalArgumentException for "+alignment);
+ } catch (IllegalArgumentException e) {
Review comment:
See `LuceneTestCase.exceptThrows`
BTW this is very thorough of you to test this
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