From 7b6d41be3f9fd23b5ab725d2dbf07815997af729 Mon Sep 17 00:00:00 2001
From: reuk <reuk@users.noreply.github.com>
Date: Mon, 22 Mar 2021 12:25:40 +0000
Subject: [PATCH] AudioBuffer:  Make assertions more specific

---
 .../juce_audio_basics/buffers/juce_AudioSampleBuffer.h | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/modules/juce_audio_basics/buffers/juce_AudioSampleBuffer.h b/modules/juce_audio_basics/buffers/juce_AudioSampleBuffer.h
index acd165ff01..cf6aba827e 100644
--- a/modules/juce_audio_basics/buffers/juce_AudioSampleBuffer.h
+++ b/modules/juce_audio_basics/buffers/juce_AudioSampleBuffer.h
@@ -751,7 +751,10 @@ public:
                   int numSamples,
                   Type gainToApplyToSource = Type (1)) noexcept
     {
-        jassert (&source != this || sourceChannel != destChannel);
+        jassert (&source != this
+                 || sourceChannel != destChannel
+                 || sourceStartSample + numSamples <= destStartSample
+                 || destStartSample + numSamples <= sourceStartSample);
         jassert (isPositiveAndBelow (destChannel, numChannels));
         jassert (destStartSample >= 0 && numSamples >= 0 && destStartSample + numSamples <= size);
         jassert (isPositiveAndBelow (sourceChannel, source.numChannels));
@@ -887,7 +890,10 @@ public:
                    int sourceStartSample,
                    int numSamples) noexcept
     {
-        jassert (&source != this || sourceChannel != destChannel);
+        jassert (&source != this
+                 || sourceChannel != destChannel
+                 || sourceStartSample + numSamples <= destStartSample
+                 || destStartSample + numSamples <= sourceStartSample);
         jassert (isPositiveAndBelow (destChannel, numChannels));
         jassert (destStartSample >= 0 && destStartSample + numSamples <= size);
         jassert (isPositiveAndBelow (sourceChannel, source.numChannels));