diff options
| -rw-r--r-- | lexlib/SparseState.h | 4 | ||||
| -rw-r--r-- | test/unit/testSparseState.cxx | 7 |
2 files changed, 10 insertions, 1 deletions
diff --git a/lexlib/SparseState.h b/lexlib/SparseState.h index 39b6e605a..953800a44 100644 --- a/lexlib/SparseState.h +++ b/lexlib/SparseState.h @@ -30,7 +30,9 @@ class SparseState { public: void Set(int position, T value) { Delete(position); - states.push_back(State(position, value)); + if ((states.size() == 0) || (value != states[states.size()-1].value)) { + states.push_back(State(position, value)); + } } T ValueAt(int position) { if (!states.size()) diff --git a/test/unit/testSparseState.cxx b/test/unit/testSparseState.cxx index f16f829d4..74f1032b2 100644 --- a/test/unit/testSparseState.cxx +++ b/test/unit/testSparseState.cxx @@ -95,6 +95,13 @@ TEST_F(SparseStateTest, ReplaceLast) { EXPECT_EQ(32, pss->ValueAt(3)); } +TEST_F(SparseStateTest, CheckOnlyChangeAppended) { + pss->Set(0, 30); + pss->Set(2, 31); + pss->Set(3, 31); + EXPECT_EQ(2u, pss->size()); +} + class SparseStateStringTest : public ::testing::Test { protected: virtual void SetUp() { |