make sure JLedSequence stays off after Stop is called (#116)

Author: jandelgado

CHANGELOG.md

@@ -1,5 +1,9 @@
 # JLed changelog (github.com/jandelgado/jled)
 
+## [2023-06-29] 4.12.2
+
+* fix: `JLedSequence` starting again after call to `Stop` (https://github.com/jandelgado/jled/issues/115)
+
 ## [2023-01-11] 4.12.1
 
 * fix: add missing keywords to keywords.txt

library.json

@@ -1,6 +1,6 @@
 {
     "name": "JLed",
-    "version": "4.12.1",
+    "version": "4.12.2",
     "description": "An embedded library to control LEDs",
     "license": "MIT",
     "frameworks": ["espidf", "arduino", "mbed"],

library.properties

@@ -1,5 +1,5 @@
 name=JLed
-version=4.12.1
+version=4.12.2
 author=Jan Delgado <jdelgado[at]gmx.net>
 maintainer=Jan Delgado <jdelgado[at]gmx.net>
 sentence=An Arduino library to control LEDs

src/jled_base.h

@@ -553,8 +553,9 @@ class TJLedSequence {
     }
 
     void Stop() {
+        is_running_ = false;
         for (auto i = 0u; i < n_; i++) {
-            leds_[i].Stop();
+            ptr(leds_[i])->Stop();
         }
     }
 

test/test_jled_sequence.cpp

@@ -90,6 +90,24 @@ TEST_CASE("stop on sequence stops all JLeds and turns them off",
     }
 }
 
+TEST_CASE("sequence will stay off after stop when update is called"
+          " again (https://github.com/jandelgado/jled/issues/115)",
+          "[jled_sequence]") {
+    auto mode = GENERATE(TestJLedSequence::eMode::SEQUENCE,
+                         TestJLedSequence::eMode::PARALLEL);
+    SECTION("sequence stays off") {
+        INFO("mode = " << mode);
+        TestJLed leds[] = {TestJLed(HalMock(1)).On()};
+        auto seq = TestJLedSequence(mode, leds).Forever();
+
+        REQUIRE(seq.Update());
+        seq.Stop();
+        REQUIRE(!leds[0].IsRunning());
+        REQUIRE(!seq.Update());
+    }
+}
+
+
 TEST_CASE("repeat plays the sequence N times", "[jled_sequence]") {
     constexpr uint8_t expected[]{255, 0, 255, 0, 0};