VH-Lab · stevevanhooser · Mar 31, 2026 · Mar 31, 2026 · Mar 31, 2026 · Mar 31, 2026
diff --git a/+vlt/+data/hashmatlabvariable.m b/+vlt/+data/hashmatlabvariable.m
@@ -28,6 +28,8 @@
 % for information about the undocumented function getByteStreamFromArray
 % function, upon which the default algorithm relies.
 %
+% Requires: DataHash (third-party, available on MATLAB File Exchange)
+%
 % See also: DataHash
 %
 % Example:

diff --git a/+vlt/+file/+custom_file_formats/convertvhlvdatafile2integer.m b/+vlt/+file/+custom_file_formats/convertvhlvdatafile2integer.m
@@ -61,7 +61,7 @@ function convertvhlvdatafile2integer(myfilename, headerstruct, outputfilename, s
 	multiplexed = headerstruct.Multiplexed;
 end;
 
-fid = fopen(myfilename,'r');
+fid = fopen(myfilename,'rb');
 if fid<0, error(['Could not open file ' myfilename '.']); end;
 
 total_samples_per_chunk = headerstruct.SamplesPerChunk * headerstruct.NumChans; % 

diff --git a/+vlt/+file/+custom_file_formats/readroirawdatafile.m b/+vlt/+file/+custom_file_formats/readroirawdatafile.m
@@ -32,7 +32,7 @@
 waveforms = [];
 
 if ischar(file_or_fid),
-	fid = fopen(file_or_fid,'r','b'); % big endian
+	fid = fopen(file_or_fid,'rb','b'); % big endian
 	if fid<0,
 		error(['Could not open file ' file_or_fid '.']);
 	end;

diff --git a/+vlt/+file/+custom_file_formats/readvhlspikewaveformfile.m b/+vlt/+file/+custom_file_formats/readvhlspikewaveformfile.m
@@ -25,7 +25,7 @@
 waveforms = [];
 
 if ischar(file_or_fid),
-	fid = fopen(file_or_fid,'r','b'); % big endian
+	fid = fopen(file_or_fid,'rb','b'); % big endian
 	if fid<0,
 		error(['Could not open file ' file_or_fid '.']);
 	end;

diff --git a/+vlt/+file/+custom_file_formats/readvhlvdatafile.m b/+vlt/+file/+custom_file_formats/readvhlvdatafile.m
@@ -129,7 +129,7 @@
 
 % open the file, skip through to the chunk where we will start reading
 
-fid = fopen(myfilename,'r');
+fid = fopen(myfilename,'rb');
 
 if fid<0, error(['Could not open file ' myfilename '.']); end;
 

diff --git a/+vlt/+file/+custom_file_formats/readvhlvdatafile_orig.m b/+vlt/+file/+custom_file_formats/readvhlvdatafile_orig.m
@@ -110,7 +110,7 @@
 
 % open the file, skip through to the chunk where we will start reading
 
-fid = fopen(myfilename,'r');
+fid = fopen(myfilename,'rb');
 
 if fid<0, error(['Could not open file ' myfilename '.']); end;
 

diff --git a/+vlt/+file/+custom_file_formats/vhsb_read.m b/+vlt/+file/+custom_file_formats/vhsb_read.m
@@ -30,7 +30,7 @@
 
  % vlt.file.custom_file_formats.vhsb_readheader will close the file
 
-fo = fopen(fo,'r','ieee-le');
+fo = fopen(fo,'rb','ieee-le');
 
  % calculate sample number
 

diff --git a/+vlt/+file/+custom_file_formats/vhsb_readheader.m b/+vlt/+file/+custom_file_formats/vhsb_readheader.m
@@ -52,7 +52,7 @@
 	error(['Could not find file ' vlt.file.filename_value(fo) '.']);
 end;
 
-fo = fopen(fo,'r','ieee-le');
+fo = fopen(fo,'rb','ieee-le');
 
 headersize = 1836;
 

diff --git a/+vlt/+file/arefilessame.m b/+vlt/+file/arefilessame.m
@@ -11,8 +11,8 @@
     file2 char {mustBeFile}
 end; % arguments
 
-fid1 = fopen(file1,'r');
-fid2 = fopen(file2,'r');
+fid1 = fopen(file1,'rb');
+fid2 = fopen(file2,'rb');
 
 if fid1<0,
     error(['Could not open ' file1 ' for reading.']);
@@ -27,8 +27,8 @@
 b = 1;
 
 while ~feof(fid1),
-    D1 = fread(fid1,buffersize,'char');
-    D2 = fread(fid2,buffersize,'char');
+    D1 = fread(fid1,buffersize,'uint8');
+    D2 = fread(fid2,buffersize,'uint8');
     b = isequaln(D1,D2);
     if ~b,
         fclose(fid1);

diff --git a/+vlt/+file/loadIgor.m b/+vlt/+file/loadIgor.m
@@ -19,7 +19,7 @@
 elseif nargin==3, start=fix(start0)-1; stop=fix(stop0);
 elseif nargin==2, error('LoadIgor needs 1 or 3 arguments.'); end;
 
-fid = fopen(filename, 'r','b');
+fid = fopen(filename, 'rb','b');
 
 if (fid>2),   %  successful file open
 	s = fseek(fid,17,'bof');

diff --git a/+vlt/+file/readlabviewarray.m b/+vlt/+file/readlabviewarray.m
@@ -24,7 +24,7 @@
 
 if nargin<3,  mf = 'b'; else, mf = machineformat; end;
 
-fid = fopen(fname, 'r',mf);
+fid = fopen(fname, 'rb',mf);
 
 if fid>0,
 	dims = fread(fid,2,'int');

diff --git a/+vlt/+unittest/+data/test_hashmatlabvariable.m b/+vlt/+unittest/+data/test_hashmatlabvariable.m
@@ -3,6 +3,14 @@
     properties
     end
 
+    methods (TestClassSetup)
+        function checkDataHashAvailable(testCase)
+            if ~exist('DataHash','file')
+                testCase.assumeFail('DataHash is not installed. Skipping tests.');
+            end
+        end
+    end
+
     methods (Test)
         function test_hash_consistency(testCase)
             % Test that hashing is consistent for the same data

diff --git a/+vlt/+unittest/+deprecated/+data/test_hashmatlabvariable.m b/+vlt/+unittest/+deprecated/+data/test_hashmatlabvariable.m
@@ -3,6 +3,14 @@
     properties
     end
 
+    methods (TestClassSetup)
+        function checkDataHashAvailable(testCase)
+            if ~exist('DataHash','file')
+                testCase.assumeFail('DataHash is not installed. Skipping tests.');
+            end
+        end
+    end
+
     methods (Test)
         function test_hash_consistency(testCase)
             % Test that hashing is consistent for the same data

diff --git a/+vlt/+unittest/+deprecated/+matlab_graphics/test_savefigurelist.m b/+vlt/+unittest/+deprecated/+matlab_graphics/test_savefigurelist.m
@@ -27,20 +27,14 @@ function teardown(testCase)
         function test_savefigurelist_saves_files(testCase)
             % Test that savefigurelist saves files in the specified formats
 
-            % Get the current working directory to restore it later
-            originalDir = pwd;
-            % Change to the temporary directory
-            cd(testCase.tempDir);
-
             % Define the formats to save
             formatsToSave = {'fig', 'pdf'};
 
-            % Run the function
+            % Run the function from the temporary directory
+            cd(testCase.tempDir);
+            testCase.addTeardown(@() cd(tempdir));
             savefigurelist(testCase.fig, 'Formats', formatsToSave);
 
-            % Change back to the original directory
-            cd(originalDir);
-
             % Verify that the files were created in the temporary directory
             for i = 1:length(formatsToSave)
                 expectedFile = fullfile(testCase.tempDir, ['myTestFigure.' formatsToSave{i}]);

diff --git a/+vlt/+unittest/+file/drivepathTest.m b/+vlt/+unittest/+file/drivepathTest.m
@@ -2,11 +2,12 @@
     methods(Test)
         function test_drivepath_output(testCase)
             % Test the output of drivepath based on the current OS
+            % Note: On Linux (GLNXA64) drivepath returns '/media'.
 
             p = vlt.file.drivepath();
 
             switch computer
-                case 'GLNXA66'
+                case 'GLNXA64'
                     expected = '/media';
                 case 'MACI64'
                     expected = '/Volumes';

diff --git a/+vlt/+unittest/+matlab/+graphics/test_savefigurelist.m b/+vlt/+unittest/+matlab/+graphics/test_savefigurelist.m
@@ -27,20 +27,14 @@ function teardown(testCase)
         function test_savefigurelist_saves_files(testCase)
             % Test that savefigurelist saves files in the specified formats
 
-            % Get the current working directory to restore it later
-            originalDir = pwd;
-            % Change to the temporary directory
-            cd(testCase.tempDir);
-
             % Define the formats to save
             formatsToSave = {'fig', 'pdf'};
 
-            % Run the function
+            % Run the function from the temporary directory
+            cd(testCase.tempDir);
+            testCase.addTeardown(@() cd(tempdir));
             vlt.matlab.graphics.savefigurelist(testCase.fig, 'Formats', formatsToSave);
 
-            % Change back to the original directory
-            cd(originalDir);
-
             % Verify that the files were created in the temporary directory
             for i = 1:length(formatsToSave)
                 expectedFile = fullfile(testCase.tempDir, ['myTestFigure.' formatsToSave{i}]);

diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
@@ -0,0 +1,39 @@
+name: Run MATLAB Tests
+
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up MATLAB
+        uses: matlab-actions/setup-matlab@v2
+        with:
+          products: >
+            Statistics_and_Machine_Learning_Toolbox
+            Curve_Fitting_Toolbox
+            Optimization_Toolbox
+            Signal_Processing_Toolbox
+            Image_Processing_Toolbox
+            Deep_Learning_Toolbox
+
+      - name: Run tests
+        uses: matlab-actions/run-command@v2
+        with:
+          command: |
+            userpath(tempdir);
+            vlt_Init;
+            suite = matlab.unittest.TestSuite.fromPackage('vlt.unittest', 'IncludingSubpackages', true);
+            runner = matlab.unittest.TestRunner.withTextOutput;
+            results = runner.run(suite);
+            disp(table(results));
+            assert(all(~[results.Failed]), 'Some tests failed.');
diff --git a/file/custom_file_formats/convertvhlvdatafile2integer.m b/file/custom_file_formats/convertvhlvdatafile2integer.m
@@ -61,7 +61,7 @@ function convertvhlvdatafile2integer(myfilename, headerstruct, outputfilename, s
 	multiplexed = headerstruct.Multiplexed;
 end;
 
-fid = fopen(myfilename,'r');
+fid = fopen(myfilename,'rb');
 if fid<0, error(['Could not open file ' myfilename '.']); end;
 
 total_samples_per_chunk = headerstruct.SamplesPerChunk * headerstruct.NumChans; % 

diff --git a/file/custom_file_formats/readroirawdatafile.m b/file/custom_file_formats/readroirawdatafile.m
@@ -32,7 +32,7 @@
 waveforms = [];
 
 if ischar(file_or_fid),
-	fid = fopen(file_or_fid,'r','b'); % big endian
+	fid = fopen(file_or_fid,'rb','b'); % big endian
 	if fid<0,
 		error(['Could not open file ' file_or_fid '.']);
 	end;

diff --git a/file/custom_file_formats/readvhlspikewaveformfile.m b/file/custom_file_formats/readvhlspikewaveformfile.m
@@ -25,7 +25,7 @@
 waveforms = [];
 
 if ischar(file_or_fid),
-	fid = fopen(file_or_fid,'r','b'); % big endian
+	fid = fopen(file_or_fid,'rb','b'); % big endian
 	if fid<0,
 		error(['Could not open file ' file_or_fid '.']);
 	end;

diff --git a/file/custom_file_formats/readvhlvdatafile.m b/file/custom_file_formats/readvhlvdatafile.m
@@ -129,7 +129,7 @@
 
 % open the file, skip through to the chunk where we will start reading
 
-fid = fopen(myfilename,'r');
+fid = fopen(myfilename,'rb');
 
 if fid<0, error(['Could not open file ' myfilename '.']); end;
 

diff --git a/file/custom_file_formats/readvhlvdatafile_orig.m b/file/custom_file_formats/readvhlvdatafile_orig.m
@@ -110,7 +110,7 @@
 
 % open the file, skip through to the chunk where we will start reading
 
-fid = fopen(myfilename,'r');
+fid = fopen(myfilename,'rb');
 
 if fid<0, error(['Could not open file ' myfilename '.']); end;
 

diff --git a/file/custom_file_formats/vhsb_read.m b/file/custom_file_formats/vhsb_read.m
@@ -30,7 +30,7 @@
 
  % vhsb_readheader will close the file
 
-fo = fopen(fo,'r','ieee-le');
+fo = fopen(fo,'rb','ieee-le');
 
  % calculate sample number
 

diff --git a/file/custom_file_formats/vhsb_readheader.m b/file/custom_file_formats/vhsb_readheader.m
@@ -53,7 +53,7 @@
 	error(['Could not find file ' filename_value(fo) '.']);
 end;
 
-fo = fopen(fo,'r','ieee-le');
+fo = fopen(fo,'rb','ieee-le');
 
 headersize = 1836;
 

diff --git a/file/loadIgor.m b/file/loadIgor.m
@@ -19,7 +19,7 @@
 elseif nargin==3, start=fix(start0)-1; stop=fix(stop0);
 elseif nargin==2, error('LoadIgor needs 1 or 3 arguments.'); end;
 
-fid = fopen(filename, 'r','b');
+fid = fopen(filename, 'rb','b');
 
 if (fid>2),   %  successful file open
    s = fseek(fid,17,'bof');

diff --git a/file/readlabviewarray.m b/file/readlabviewarray.m
@@ -24,7 +24,7 @@
 
 if nargin<3,  mf = 'b'; else, mf = machineformat; end;
 
-fid = fopen(fname, 'r',mf);
+fid = fopen(fname, 'rb',mf);
 
 if fid>0,
 	dims = fread(fid,2,'int');

diff --git a/file/thirdparty_file_formats/CED-SOM_SMR/read_CED_SOMSMR_datafile.m b/file/thirdparty_file_formats/CED-SOM_SMR/read_CED_SOMSMR_datafile.m
@@ -57,9 +57,9 @@
 
 [pathname filename2 extension] = fileparts(filename);
 if strcmpi(extension,'.smr'), % little endian
-        fid=fopen(filename,'r','l');
+        fid=fopen(filename,'rb','l');
 elseif strcmp(extension,'.son'), % big endian
-        fid=fopen(filename,'r','b');
+        fid=fopen(filename,'rb','b');
 else,
         error(['Unknown extension for SOM/SMR file: .' extension '.']);
 end;

diff --git a/file/thirdparty_file_formats/CED-SOM_SMR/read_CED_SOMSMR_header.m b/file/thirdparty_file_formats/CED-SOM_SMR/read_CED_SOMSMR_header.m
@@ -24,9 +24,9 @@
 
 [pathname filename2 extension] = fileparts(filename);
 if strcmpi(extension,'.smr'), % little endian
-	fid=fopen(filename,'r','l');
+	fid=fopen(filename,'rb','l');
 elseif strcmp(extension,'.son'), % big endian
-	fid=fopen(filename,'r','b');
+	fid=fopen(filename,'rb','b');
 else,
 	error(['Unknown extension for SOM/SMR file: .' extension '.']);
 end;

diff --git a/file/thirdparty_file_formats/CED-SOM_SMR/read_CED_SOMSMR_sampleinterval.m b/file/thirdparty_file_formats/CED-SOM_SMR/read_CED_SOMSMR_sampleinterval.m
@@ -35,9 +35,9 @@
 
 [pathname filename2 extension] = fileparts(filename);
 if strcmpi(extension,'.smr'), % little endian
-        fid=fopen(filename,'r','l');
+        fid=fopen(filename,'rb','l');
 elseif strcmp(extension,'.son'), % big endian
-        fid=fopen(filename,'r','b');
+        fid=fopen(filename,'rb','b');
 else,
         error(['Unknown extension for SOM/SMR file: .' extension '.']);
 end;

diff --git a/file/thirdparty_file_formats/Intan-RHD2000/cat_Intan_RHD2000_files.m b/file/thirdparty_file_formats/Intan-RHD2000/cat_Intan_RHD2000_files.m
@@ -57,7 +57,7 @@
 end;
 
 for i=1:length(varargin),
-	fid_i = fopen(varargin{i},'r'); % should not fail because we've already read header files
+	fid_i = fopen(varargin{i},'rb'); % should not fail because we've already read header files
 	if i~=1, % if i==1, copy the header, too
 		fseek(fid_i,h{i}.fileinfo.headersize,'bof');
 	end;

diff --git a/file/thirdparty_file_formats/Intan-RHD2000/copy_Intan_RHD2000_blocks.m b/file/thirdparty_file_formats/Intan-RHD2000/copy_Intan_RHD2000_blocks.m
@@ -22,7 +22,7 @@
 status = 0;
 h = read_Intan_RHD2000_header(filename_in);
 
-fid_i = fopen(filename_in,'r');
+fid_i = fopen(filename_in,'rb');
 fid_o = fopen(filename_out,'w');
 if fid_o<0,
 	error(['Could not open the file ' filename_out ' for writing.']);

diff --git a/file/thirdparty_file_formats/Intan-RHD2000/read_IntanRHD2000_one_file_per_channel_type.m b/file/thirdparty_file_formats/Intan-RHD2000/read_IntanRHD2000_one_file_per_channel_type.m
@@ -64,7 +64,7 @@
 
 fn = fixdatfilename([directory_name filesep filename_post]);
 
-fid = fopen(fn,'r','ieee-le');
+fid = fopen(fn,'rb','ieee-le');
 if fid<0
     error(['Could not open ' fn ' for reading.']);
 end

diff --git a/file/thirdparty_file_formats/Intan-RHD2000/read_Intan_RHD2000_datafile.m b/file/thirdparty_file_formats/Intan-RHD2000/read_Intan_RHD2000_datafile.m
@@ -136,7 +136,7 @@
 
 % NOW, WE KNOW WHAT TO READ, LET'S READ IT
 
-fid = fopen(filename,'r');
+fid = fopen(filename,'rb');
 if fileid_value(fid)<0,
         error(['Could not open filename ' filename_value(filename) ' for reading (check path, spelling, permissions).']);
 end;