From 2a922d679ec36743287191fbd9f67a6fef9f7f1b Mon Sep 17 00:00:00 2001
From: Zufu Liu <unknown>
Date: Sun, 24 Jul 2022 10:00:06 +1000
Subject: Bug [#2340] Simplify expand all folds. Speed up expand line a little.

---
 test/unit/testContractionState.cxx | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'test')

diff --git a/test/unit/testContractionState.cxx b/test/unit/testContractionState.cxx
index 30d5454f9..0fd391906 100644
--- a/test/unit/testContractionState.cxx
+++ b/test/unit/testContractionState.cxx
@@ -152,6 +152,28 @@ TEST_CASE("ContractionState") {
 		REQUIRE(true == pcs->GetExpanded(3));
 	}
 
+	SECTION("ExpandAll") {
+		pcs->InsertLines(0,4);
+		for (int l=0;l<4;l++) {
+			REQUIRE(true == pcs->GetExpanded(l));
+		}
+
+		pcs->SetExpanded(2, false);
+		REQUIRE(true == pcs->GetExpanded(1));
+		REQUIRE(false == pcs->GetExpanded(2));
+		REQUIRE(true == pcs->GetExpanded(3));
+
+		pcs->SetExpanded(1, false);
+		REQUIRE(false == pcs->GetExpanded(1));
+		REQUIRE(false == pcs->GetExpanded(2));
+		REQUIRE(true == pcs->GetExpanded(3));
+
+		REQUIRE(true == pcs->ExpandAll());
+		REQUIRE(true == pcs->GetExpanded(1));
+		REQUIRE(true == pcs->GetExpanded(2));
+		REQUIRE(true == pcs->GetExpanded(3));
+	}
+
 	SECTION("ChangeHeight") {
 		pcs->InsertLines(0,4);
 		for (int l=0;l<4;l++) {
-- 
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