From: Soeren Apel <redacted>
Date: Mon, 1 May 2017 13:14:50 +0000 (+0200)
Subject: Tests: Add another unit test for Segment class
X-Git-Tag: pulseview-0.4.0~90
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=207ae8f6fb0b7a797349916afcd70e1add1b4d20;p=pulseview.git

Tests: Add another unit test for Segment class
---

diff --git a/pv/data/segment.hpp b/pv/data/segment.hpp
index 3305f4c8..7338bd38 100644
--- a/pv/data/segment.hpp
+++ b/pv/data/segment.hpp
@@ -39,6 +39,7 @@ struct MediumSize32Single;
 struct MaxSize32Single;
 struct MediumSize32Multi;
 struct MaxSize32Multi;
+struct MaxSize32MultiAtOnce;
 struct MaxSize32MultiIterated;
 }  // namespace SegmentTest
 
@@ -101,6 +102,7 @@ protected:
 	friend struct SegmentTest::MaxSize32Single;
 	friend struct SegmentTest::MediumSize32Multi;
 	friend struct SegmentTest::MaxSize32Multi;
+	friend struct SegmentTest::MaxSize32MultiAtOnce;
 	friend struct SegmentTest::MaxSize32MultiIterated;
 };
 
diff --git a/test/data/segment.cpp b/test/data/segment.cpp
index 9a47249e..d1c35ee1 100644
--- a/test/data/segment.cpp
+++ b/test/data/segment.cpp
@@ -233,6 +233,36 @@ BOOST_AUTO_TEST_CASE(MaxSize32Multi)
 	delete[] sample_data;
 }
 
+BOOST_AUTO_TEST_CASE(MaxSize32MultiAtOnce)
+{
+	Segment s(1, sizeof(uint32_t));
+
+	// Chunk size is num*unit_size, so with pv::data::Segment::MaxChunkSize/unit_size, we reach the maximum size
+	uint32_t num_samples = 3*(pv::data::Segment::MaxChunkSize / sizeof(uint32_t));
+
+	//----- Add all samples, requiring multiple chunks, in one call ----//
+	uint32_t *data = new uint32_t[num_samples];
+	for (uint32_t i = 0; i < num_samples; i++)
+		data[i] = i;
+
+	s.append_samples(data, num_samples);
+	delete[] data;
+
+	BOOST_CHECK(s.get_sample_count() == num_samples);
+
+	for (uint32_t i = 0; i < num_samples; i++) {
+		uint8_t* sample_data = s.get_raw_samples(i, 1);
+		BOOST_CHECK_EQUAL(*((uint32_t*)sample_data), i);
+		delete[] sample_data;
+	}
+
+	uint8_t* sample_data = s.get_raw_samples(0, num_samples);
+	for (uint32_t i = 0; i < num_samples; i++) {
+		BOOST_CHECK_EQUAL(*((uint32_t*)(sample_data + i * sizeof(uint32_t))), i);
+	}
+	delete[] sample_data;
+}
+
 BOOST_AUTO_TEST_CASE(MaxSize32MultiIterated)
 {
 	Segment s(1, sizeof(uint32_t));