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Diffstat (limited to 'test/unit/testSelection.cxx')
| -rw-r--r-- | test/unit/testSelection.cxx | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/test/unit/testSelection.cxx b/test/unit/testSelection.cxx index 64148bf61..d708607d2 100644 --- a/test/unit/testSelection.cxx +++ b/test/unit/testSelection.cxx @@ -162,6 +162,38 @@ TEST_CASE("SelectionRange") { REQUIRE(range123Returned == range123); } + SECTION("Intersect") { + constexpr SelectionSegment segmentEmpty; + + // Range from 1 to 2 with 3 virtual spaces + const SelectionRange range123(SelectionPosition(2, 3), SelectionPosition(1)); + const SelectionSegment segment12(1, 2); + const SelectionSegment inside = range123.Intersect(segment12); + REQUIRE(inside == segment12); + + const SelectionSegment segment121(SelectionPosition(1), SelectionPosition(2, 1)); + const SelectionSegment withVirtual = range123.Intersect(segment121); + REQUIRE(withVirtual == segment121); + + const SelectionSegment segment052(SelectionPosition(0), SelectionPosition(5, 2)); + const SelectionSegment internal = range123.Intersect(segment052); // All inside + REQUIRE(internal == range123.AsSegment()); + + const SelectionSegment wayOut(SelectionPosition(100), SelectionPosition(105, 2)); + const SelectionSegment nothing = range123.Intersect(wayOut); + REQUIRE(nothing == segmentEmpty); + + const SelectionSegment edge(1, 1); + const SelectionSegment nowt = range123.Intersect(edge); + REQUIRE(nowt == edge); + + // (0, 1) and (1, 2v3) touch so intersection is a single position. + const SelectionSegment front(0, 1); + const SelectionSegment single(1, 1); + const SelectionSegment thin = range123.Intersect(front); + REQUIRE(thin == single); + } + } TEST_CASE("Selection") { |