diff --git a/.github/workflows/test_setup.yml b/.github/workflows/test_setup.yml
new file mode 100644
index 0000000..50d7b05
--- /dev/null
+++ b/.github/workflows/test_setup.yml
@@ -0,0 +1,46 @@
+name: Test setup and measure coverage
+
+on:
+  push:
+    branches:
+      - main
+      - add-test-branch
+
+jobs:
+  test:
+    runs-on: ${{matrix.os}}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-14]
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Set up MATLAB R2024a
+      uses: matlab-actions/setup-matlab@v2
+      with:
+        release: R2024a
+
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.11.9'
+
+    - name: Install additional 3p dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install numpy==1.26.4 tensorstore==0.1.73
+
+    - name: Run tests
+      uses: matlab-actions/run-tests@v2
+      with:
+        select-by-folder: 'test'
+        code-coverage-cobertura: cobertura.xml
+
+    - name: Upload codecov
+      uses: codecov/codecov-action@v4
+      with:
+        token: ${{secrets.CODECOV_TOKEN}}
+        files: ./target/site/cobertura/coverage.xml
+        name: codecov-umbrella.xml
\ No newline at end of file
diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 0000000..23a0e90
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1,8 @@
+coverage:
+  status:
+    project:
+      default:
+        target: 85%
+        threshold: 5%
+ignore:
+  - "test/*"
\ No newline at end of file
diff --git a/test/SharedZarrTestSetup.m b/test/SharedZarrTestSetup.m
new file mode 100644
index 0000000..6b9f9be
--- /dev/null
+++ b/test/SharedZarrTestSetup.m
@@ -0,0 +1,28 @@
+classdef SharedZarrTestSetup < matlab.unittest.TestCase
+    % Shared test set up for Zarr tests.
+
+    % Copyright 2025 The MathWorks, Inc.
+
+    properties
+        PyException = "MATLAB:Python:PyException"
+        ArrSize = [20 25]
+        ChunkSize = [4 5]
+
+        % Path for write tests
+        ArrPathWrite = "prt_grp_write/arr1"
+    end
+
+    methods(TestClassSetup)
+    	function addSrcCodePath(testcase)
+    	    % Add source code path before running the tests
+            import matlab.unittest.fixtures.PathFixture
+    	    testcase.applyFixture(PathFixture(fullfile('..'),'IncludeSubfolders',true))
+    	end
+
+        function setupWorkingFolderToCreateArr(testcase)
+            % Use working folder fixture to create Zarr array.
+            import matlab.unittest.fixtures.WorkingFolderFixture;
+            testcase.applyFixture(WorkingFolderFixture);
+        end
+    end
+end
\ No newline at end of file
diff --git a/test/dataFiles/create_zarr_v2.py b/test/dataFiles/create_zarr_v2.py
new file mode 100644
index 0000000..e460db0
--- /dev/null
+++ b/test/dataFiles/create_zarr_v2.py
@@ -0,0 +1,13 @@
+# Create Zarr v2 array
+
+import zarr
+import numpy as np
+store = zarr.DirectoryStore('grp_v2')
+group = zarr.group(store=store,overwrite=True)
+group.attrs['group_description'] = 'This is a sample Zarr group'
+group.attrs['group_level'] = 1
+array = group.create_dataset('arr_v2',shape=(20,25),dtype=np.float32,chunks=(2,5),fillvalue=-9)
+array.attrs['array_description'] = 'This is a sample Zarr array'
+array.attrs['array_type'] = 'double'
+array.attrs['array_level'] = 1
+array[:] = np.random.rand(20,25)
diff --git a/test/dataFiles/create_zarr_v3.py b/test/dataFiles/create_zarr_v3.py
new file mode 100644
index 0000000..b6de349
--- /dev/null
+++ b/test/dataFiles/create_zarr_v3.py
@@ -0,0 +1,13 @@
+# Create Zarr v3 array
+
+import zarr
+import numpy as np
+store = zarr.storage.LocalStore('grp_v3')
+group = zarr.group(store=store,overwrite=True)
+group.attrs['group_description'] = 'This is a sample Zarr group'
+group.attrs['group_level'] = 1
+array = group.create_array('arr_v3',shape=(20,25),dtype=np.float32,chunks=(2,5),fill_value=-9)
+array.attrs['array_description'] = 'This is a sample Zarr array'
+array.attrs['array_type'] = 'double'
+array.attrs['array_level'] = 1
+array[:] = np.random.rand(20,25)
diff --git a/test/dataFiles/expZarrArrData.mat b/test/dataFiles/expZarrArrData.mat
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diff --git a/test/dataFiles/grp_v2/.zattrs b/test/dataFiles/grp_v2/.zattrs
new file mode 100644
index 0000000..a87fc66
--- /dev/null
+++ b/test/dataFiles/grp_v2/.zattrs
@@ -0,0 +1,4 @@
+{
+    "group_description": "This is a sample Zarr group",
+    "group_level": 1
+}
\ No newline at end of file
diff --git a/test/dataFiles/grp_v2/.zgroup b/test/dataFiles/grp_v2/.zgroup
new file mode 100644
index 0000000..3b7daf2
--- /dev/null
+++ b/test/dataFiles/grp_v2/.zgroup
@@ -0,0 +1,3 @@
+{
+    "zarr_format": 2
+}
\ No newline at end of file
diff --git a/test/dataFiles/grp_v2/arr_v2/.zarray b/test/dataFiles/grp_v2/arr_v2/.zarray
new file mode 100644
index 0000000..7f5004e
--- /dev/null
+++ b/test/dataFiles/grp_v2/arr_v2/.zarray
@@ -0,0 +1 @@
+{"chunks":[2,5],"compressor":{"blocksize":0,"clevel":5,"cname":"lz4","id":"blosc","shuffle":1},"dtype":"<f4","fill_value":-9,"filters":[],"order":"C","shape":[20,25],"zarr_format":2,"Attr1":"var"}
\ No newline at end of file
diff --git a/test/dataFiles/grp_v2/arr_v2/.zattrs b/test/dataFiles/grp_v2/arr_v2/.zattrs
new file mode 100644
index 0000000..5fbecaf
--- /dev/null
+++ b/test/dataFiles/grp_v2/arr_v2/.zattrs
@@ -0,0 +1,5 @@
+{
+    "array_description": "This is a sample Zarr array",
+    "array_level": 1,
+    "array_type": "double"
+}
\ No newline at end of file
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diff --git a/test/dataFiles/grp_v3/arr_v3/zarr.json b/test/dataFiles/grp_v3/arr_v3/zarr.json
new file mode 100644
index 0000000..77ad21c
--- /dev/null
+++ b/test/dataFiles/grp_v3/arr_v3/zarr.json
@@ -0,0 +1,46 @@
+{
+  "shape": [
+    20,
+    25
+  ],
+  "data_type": "float32",
+  "chunk_grid": {
+    "name": "regular",
+    "configuration": {
+      "chunk_shape": [
+        2,
+        5
+      ]
+    }
+  },
+  "chunk_key_encoding": {
+    "name": "default",
+    "configuration": {
+      "separator": "/"
+    }
+  },
+  "fill_value": -9.0,
+  "codecs": [
+    {
+      "name": "bytes",
+      "configuration": {
+        "endian": "little"
+      }
+    },
+    {
+      "name": "zstd",
+      "configuration": {
+        "level": 0,
+        "checksum": false
+      }
+    }
+  ],
+  "attributes": {
+    "array_description": "This is a sample Zarr array",
+    "array_type": "double",
+    "array_level": 1
+  },
+  "zarr_format": 3,
+  "node_type": "array",
+  "storage_transformers": []
+}
\ No newline at end of file
diff --git a/test/dataFiles/grp_v3/zarr.json b/test/dataFiles/grp_v3/zarr.json
new file mode 100644
index 0000000..11fa3cb
--- /dev/null
+++ b/test/dataFiles/grp_v3/zarr.json
@@ -0,0 +1,9 @@
+{
+  "attributes": {
+    "group_description": "This is a sample Zarr group",
+    "group_level": 1
+  },
+  "zarr_format": 3,
+  "consolidated_metadata": null,
+  "node_type": "group"
+}
\ No newline at end of file
diff --git a/test/tZarrAttributes.m b/test/tZarrAttributes.m
new file mode 100644
index 0000000..b8e1941
--- /dev/null
+++ b/test/tZarrAttributes.m
@@ -0,0 +1,108 @@
+classdef tZarrAttributes < SharedZarrTestSetup
+    % Tests for zarrwriteatt function to get attribute info of the Zarr file in MATLAB.
+
+    % Copyright 2025 The MathWorks, Inc.
+
+    methods(TestClassSetup)
+        function createZarrArrayWithAttrs(testcase)
+            % Create Zarr array and add some attributes.
+            zarrcreate(testcase.ArrPathWrite,testcase.ArrSize);
+            zarrwriteatt(testcase.ArrPathWrite,'attr1','This is an array attribute.');
+            zarrwriteatt(testcase.ArrPathWrite,'attr2',{1,2,3});
+            attr3.numVal = 10;
+            attr3.strArr = ["array","attribute"];
+            zarrwriteatt(testcase.ArrPathWrite,'attr3',attr3);
+        end
+    end
+
+    methods(Test)
+        function verifyArrayAttributeInfo(testcase)
+            % Write attribute info using zarrwriteatt function to an array.
+
+            arrInfo = zarrinfo(testcase.ArrPathWrite);
+            actAttr.attr1 = arrInfo.attr1;
+            
+            % TODO: Enable code once Issue-34 is fixed.
+            %actAttr.attr2 = arrInfo.attr2;
+            %actAttr.attr3 = arrInfo.attr3;
+
+            expAttr.attr1 = 'This is an array attribute.';
+            %expAttr.attr2 = {1,2,3};
+            %expAttr.attr3.numVal = 10;
+            %expAttr.attr4.strArr = ["array","attribute"];
+
+            testcase.verifyEqual(actAttr,expAttr,'Failed to verify attribute info.');
+        end
+
+        function verifyAttrOverwrite(testcase)
+            % Verify attribute value after overwrite.
+            %testcase.assumeTrue(false,'Filtered until the attributes display is fixed.');
+            expAttrStr = ["new","attribute","value"];
+            zarrwriteatt(testcase.ArrPathWrite,'attr1',expAttrStr);
+            expAttrDbl = 10;
+            zarrwriteatt(testcase.ArrPathWrite,'attr2',expAttrDbl);
+
+            arrInfo = zarrinfo(testcase.ArrPathWrite);
+            
+            % TODO: Enable code once Issue-34 is fixed.
+            %actAttrStr = arrInfo.attr1;
+            actAttrDbl = arrInfo.attr2;
+
+            %testcase.verifyEqual(actAttrStr,expAttrStr,'Failed to verify string attribute info');
+            testcase.verifyEqual(actAttrDbl,expAttrDbl,'Failed to verify double attribute info');
+        end
+
+        function verifyGroupAttributeInfo(testcase)
+            % Write attribute info using zarrwriteatt function to a group.
+            testcase.assumeTrue(false,'Filtered until Issue-35 is fixed.');
+
+            % Unable to read attribute data from a group/array created
+            % using Python.
+        end
+
+        function verifyZarrV3WriteError(testcase)
+            % Verify error when a user tries to write attribute to zarr v3
+            % file.
+            testcase.assumeTrue(false,'Filtered until the right error message is thrown.');
+            filePath = 'dataFiles/grp_v3/arr_v3';
+            testcase.verifyError(@()zarrwriteatt(filePath,'myAttr','attrVal'), ...
+                testcase.PyException);
+        end
+
+        function nonExistentFile(testcase)
+            % Verify error when using a non-existent file with zarrwriteatt 
+            % function.
+            testcase.verifyError(@()zarrwriteatt('testFile/nonExistentArr','myAttr','attrVal'), ...
+                'MATLAB:validators:mustBeFolder');
+        end
+
+        function tooManyInputs(testcase)
+            % Verify error when too many inputs are used with zarrwrite
+            % function.
+            testcase.verifyError(@()zarrwriteatt(testcase.ArrPathWrite,'myAttr','attrVal','extra'), ...
+                'MATLAB:TooManyInputs');
+        end
+
+        function tooFewInputs(testcase)
+            % Verify error when too few inputs with zarrwriteatt function 
+            % are used.
+            testcase.verifyError(@()zarrwriteatt(testcase.ArrPathWrite,'myAttr'), ...
+                'MATLAB:minrhs');
+        end
+
+        function invalidInput(testcase)
+            % Verify error when invalid input is used for zarrwriteatt
+            % function.
+            errID =  'MATLAB:validators:mustBeFolder';
+
+            % Invalid file path type
+            testcase.verifyError(@()zarrwriteatt('nonexistent','myAttr',10),errID);
+            
+            % Invalid attribute name
+            errID = 'MATLAB:validators:mustBeNonzeroLengthText';
+            testcase.verifyError(@()zarrwriteatt(testcase.ArrPathWrite,'',10),errID);
+            errID = 'MATLAB:validators:mustBeTextScalar';
+            testcase.verifyError(@()zarrwriteatt(testcase.ArrPathWrite,10,10),errID);
+        end
+    end
+end
\ No newline at end of file
diff --git a/test/tZarrCreate.m b/test/tZarrCreate.m
new file mode 100644
index 0000000..2d3a04f
--- /dev/null
+++ b/test/tZarrCreate.m
@@ -0,0 +1,252 @@
+classdef tZarrCreate < SharedZarrTestSetup
+    % Tests for zarrcreate function to create Zarr files in MATLAB.
+
+    % Copyright 2025 The MathWorks, Inc.
+
+    methods(Test)
+        function invalidFilePath(testcase)
+            % Verify error when an invalid file path is used as an input to
+            % zarrcreate function.
+
+            % Empty
+            errID = 'MATLAB:validators:mustBeNonempty';
+            testcase.verifyError(@()zarrcreate('',testcase.ArrSize),errID);
+
+            % Non-scalar
+            errID = 'MATLAB:validators:mustBeTextScalar';
+            testcase.verifyError(@()zarrcreate([testcase.ArrPathWrite,testcase.ArrPathWrite], ...
+                testcase.ArrSize),errID);
+
+            % Non-text input
+            testcase.verifyError(@()zarrcreate([],testcase.ArrSize),errID);
+        end
+
+        % function pathContainingInvalidChars(testcase)
+        %     % Verify error when the array or group name contains
+        %     % unsupported characters.
+              % TOCHECK: Failure on Linux
+        %     testcase.verifyError(@()zarrcreate('grp*/arr',testcase.ArrSize),testcase.PyException);
+        %     testcase.verifyError(@()zarrcreate('grp/arr*',testcase.ArrSize),testcase.PyException);
+        % end
+
+        function chunkSizeGreaterThanArraySize(testcase)
+            % Verify error when the chunk size is greater than the array
+            % size.
+            testcase.assumeTrue(false,'Filtered until the issue is fixed.');
+            chunkSize = [30 35];
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'ChunkSize',chunkSize),testcase.PyException);
+        end
+        
+        function chunkSizeMismatch(testcase)
+            % Verify error when there is a mismatch between Array size and
+            % Chunk size.
+            arrSize = [10 12 5];
+            chunkSize = [4 5];
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,arrSize, ...
+                'ChunkSize',chunkSize),testcase.PyException);
+        end
+
+        function invalidClevelBlosc(testcase)
+            % Verify error when an invalid clevel value is used with blosc 
+            % compression. Valid values are [0 9], where 0 is for no compression.
+            comp.id = 'blosc';
+            level = {-1,10,NaN};
+            comp.cname = 'blosclz';
+            comp.shuffle = -1;
+
+            for i = 1:length(level)
+                comp.clevel = level{i};
+                testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                    'Compression',comp),testcase.PyException);
+            end
+        end
+
+        function invalidBlockSizeBlosc(testcase)
+            % Verify error when an invalid blocksize value is used with blosc 
+            % compression. Valid values for blocksize are [0 inf].
+            comp.id = 'blosc';
+            comp.level = 5;
+            comp.cname = 'blosclz';
+            comp.shuffle = -1;
+            blocksize = {-1,[2 2],NaN};
+
+            for i = 1:length(blocksize)
+                comp.blocksize = blocksize{i};
+                testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                    'Compression',comp),testcase.PyException);
+            end
+        end
+
+        function invalidCnameBlosc(testcase)
+            % Verify error when an invalid cname value is used with blosc 
+            % compression.
+            comp.id = 'blosc';
+            comp.level = 5;
+            cname = {'random','',0};
+            comp.shuffle = -1;
+            comp.blocksize = 5;
+
+            for i = 1:length(cname)
+                comp.cname = cname{i};
+                testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                    'Compression',comp),testcase.PyException);
+            end
+        end
+
+        function invalidShuffleBlosc(testcase)
+            % Verify error when an invalid shuffle value is used with blosc
+            % compression. The valid values are -1, 0, 1, and 2.
+            comp.id = 'blosc';
+            comp.level = 5;
+            comp.cname = 'blosclz';
+            shuffle = {-2,3,inf,NaN};
+            comp.blocksize = 5;
+
+            for i = 1:length(shuffle)
+                comp.shuffle = shuffle{i};
+                testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                    'Compression',comp),testcase.PyException);
+            end
+        end
+
+        function invalidChunkSize(testcase)
+            % Verify error when an invalid type for the chunk size is used.
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'ChunkSize',5),testcase.PyException);
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'ChunkSize',[]),testcase.PyException);
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'ChunkSize',[0 0]),testcase.PyException);
+        end
+
+        function invalidFillValue(testcase)
+            % Verify error when an invalid type for the fill value is used.
+            % testcase.verifyError(@()zarrcreate(testcase.FilePath,testcase.ArrSize, ...
+            %     "FillValue",[]),testcase.PyException);
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                "FillValue",[-9 -9]),testcase.PyException);
+            % testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+            %     "FillValue",NaN),testcase.PyException);
+            % testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+            %     "FillValue",inf),testcase.PyException);
+        end
+
+        function invalidSizeInput(testcase)
+            % Verify error when an invalid size input is used.
+            % testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,[]), ...
+            %     testcase.PyException);
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,10), ...
+                testcase.PyException);
+        end
+
+        function invalidCompressionInputType(testcase)
+            % Verify error when an invalid compression value is used.
+            testcase.assumeTrue(false,'Filtered until the issue is fixed.');
+            comp.id = 'random';
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'Compression',comp),testcase.PyException);
+        end
+
+        function invalidCompressionMember(testcase)
+            % Verify error when additional compression members (cname, blocksize, 
+            % and shuffle) are used. These members are not supported for 
+            % compression other than blosc.
+            compType = {'gzip','zlib','bz2','zstd'};
+            comp.level = 5;
+            comp.cname = 'blosclz';
+            comp.shuffle = -1;
+
+            for i = 1:length(compType)
+                comp.id = compType{i};
+                testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                    'Compression',comp),testcase.PyException);
+            end
+        end
+
+        function zlibInvalidCompressionLevel(testcase)
+            % Verify error when an invalid compression level is used.
+            % For zlib, valid values are [0 9]
+            comp.id = 'zlib';
+            comp.level = -1;
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'Compression',comp),testcase.PyException);
+
+            comp.level = 10;
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'Compression',comp),testcase.PyException);
+
+            comp.level = [];
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'Compression',comp),testcase.PyException);
+        end
+
+        function gzipInvalidCompressionLevel(testcase)
+            % Verify error when an invalid compression level is used.
+            % For gzip, valid values are [0 9]
+            comp.id = 'gzip';
+            comp.level = -1;
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'Compression',comp),testcase.PyException);
+
+            comp.level = 10;
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'Compression',comp),testcase.PyException);
+
+            comp.level = [];
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'Compression',comp),testcase.PyException);
+        end
+
+        function bz2InvalidCompressionLevel(testcase)
+            % Verify error when an invalid compression level is used.
+            % For zlib, valid values are [1 9]
+            comp.id = 'bz2';
+            comp.level = 0;
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'Compression',comp),testcase.PyException);
+
+            comp.level = 10;
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'Compression',comp),testcase.PyException);
+
+            comp.level = [];
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'Compression',comp),testcase.PyException);
+        end
+
+        function zstdInvalidCompressionLevel(testcase)
+            % Verify error when an invalid compression level is used.
+            % For zlib, valid values are [1 9]
+            comp.id = 'zstd';
+            comp.level = -131073;
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'Compression',comp),testcase.PyException);
+
+            comp.level = 23;
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'Compression',comp),testcase.PyException);
+
+            comp.level = [];
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'Compression',comp),testcase.PyException);
+        end
+
+        function tooFewInputs(testcase)
+            % Verify error when too few inputs are passed to the zarrcreate 
+            % function.
+            errID = 'MATLAB:minrhs';
+            testcase.verifyError(@()zarrcreate(),errID);
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite),errID);
+        end
+
+        function invalidParameter(testcase)
+            % Verify error when an invalid NV pair for zarrcreate is used.
+            errID =  'MATLAB:TooManyInputs';
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'Random'),errID);
+            testcase.verifyError(@()zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'Random',-1),errID);
+        end
+    end
+end
\ No newline at end of file
diff --git a/test/tZarrInfo.m b/test/tZarrInfo.m
new file mode 100644
index 0000000..3ec6684
--- /dev/null
+++ b/test/tZarrInfo.m
@@ -0,0 +1,85 @@
+classdef tZarrInfo < matlab.unittest.TestCase
+    % Tests for zarrinfo function to get info of the Zarr file in MATLAB.
+
+    % Copyright 2025 The MathWorks, Inc.
+
+    properties(Constant)
+        GrpPathV2 = "dataFiles/grp_v2"
+        ArrPathV2 = "dataFiles/grp_v2/arr_v2"
+        GrpPathV3 = "dataFiles/grp_v3"
+        ArrPathV3 = "dataFiles/grp_v3/arr_v3"
+        ExpInfo = load(fullfile(pwd,"dataFiles","expZarrArrInfo.mat"))
+    end
+
+    methods(TestClassSetup)
+        function addSrcCodePath(testcase)
+            % Add source code path before running the tests
+            import matlab.unittest.fixtures.PathFixture
+            testcase.applyFixture(PathFixture(fullfile('..'),'IncludeSubfolders',true))
+        end
+    end
+
+    methods(Test)
+        function verifyArrayInfoV2(testcase)
+            % Verify array info created with Zarr v2 format.
+            actInfo = zarrinfo(testcase.ArrPathV2);
+            expInfo = testcase.ExpInfo.zarrV2ArrInfo;
+            testcase.verifyEqual(actInfo,expInfo,'Failed to verify array info.');
+        end
+
+        function verifyGroupInfoV2(testcase)
+            % Verify group info created with Zarr v2 format.
+            actInfo = zarrinfo(testcase.GrpPathV2);
+            expInfo = testcase.ExpInfo.zarrV2GrpInfo;
+            testcase.verifyEqual(actInfo,expInfo,'Failed to verify group info.');
+        end
+
+        function verifyArrayInfoV3(testcase)
+            % Verify array info created with Zarr v3 format.
+            actInfo = zarrinfo(testcase.ArrPathV3);
+            expInfo = testcase.ExpInfo.zarrV3ArrInfo;
+            testcase.verifyEqual(actInfo,expInfo,'Failed to verify array info.');
+        end
+
+        function verifyGroupInfoV3(testcase)
+            % Verify group info created with Zarr v3 format.
+            actInfo = zarrinfo(testcase.GrpPathV3);
+            expInfo = testcase.ExpInfo.zarrV3GrpInfo;
+            testcase.verifyEqual(actInfo,expInfo,'Failed to verify group info.');
+        end
+
+        function missingZgroupFile(testcase)
+            % Verify error when using zarrinfo function on a group not
+            % containing .zgroup file.
+            testcase.assumeTrue(false,'Filtered until error ID is added.');
+
+            import matlab.unittest.fixtures.WorkingFolderFixture;
+            testcase.applyFixture(WorkingFolderFixture);
+
+            zarrcreate('prt_grp_write/arr1',[10 10]);
+            grpPath = 'prt_grp_write/';
+            errID = '';
+            testcase.verifyError(@()zarrinfo(grpPath),errID);
+        end
+
+        function nonExistentArr(testcase)
+            % Verify zarrinfo error when a user tries to read a non-existent
+            % array.
+            errID = 'MATLAB:validators:mustBeFolder';
+            testcase.verifyError(@()zarrinfo('nonexistentArr/'),errID);
+        end
+
+        function invalidInput(testcase)
+            % Verify error when using invalid input with zarrinfo function.
+            import matlab.unittest.fixtures.WorkingFolderFixture;
+            testcase.applyFixture(WorkingFolderFixture);
+
+            errID = 'MATLAB:TooManyInputs';
+            testcase.verifyError(@()zarrinfo('testFiles/arr1','arr1'),errID);
+
+            errID = 'MATLAB:validators:mustBeTextScalar';
+            zarrcreate('prt_grp/arr_1',[10 10]);
+            testcase.verifyError(@()zarrinfo({'prt_grp/arr_1'}),errID);
+        end
+    end
+end
\ No newline at end of file
diff --git a/test/tZarrRead.m b/test/tZarrRead.m
new file mode 100644
index 0000000..6e1988e
--- /dev/null
+++ b/test/tZarrRead.m
@@ -0,0 +1,72 @@
+classdef tZarrRead < matlab.unittest.TestCase
+    % Tests for zarrread function to read data from Zarr files in MATLAB.
+
+    % Copyright 2025 The MathWorks, Inc.
+
+    properties(Constant)
+        % Path for read functions
+        GrpPathRead = "dataFiles/grp_v2"
+        ArrPathRead = "dataFiles/grp_v2/arr_v2"
+        ArrPathReadV3 = "dataFiles/grp_v3/arr_v3"
+
+        ExpData = load(fullfile(pwd,"dataFiles","expZarrArrData.mat"))
+    end
+
+    methods(TestClassSetup)
+        function addSrcCodePath(testcase)
+            % Add source code path before running the tests
+            import matlab.unittest.fixtures.PathFixture
+            testcase.applyFixture(PathFixture(fullfile('..'),'IncludeSubfolders',true))
+        end
+    end
+
+    methods(Test)
+        function verifyArrayData(testcase)
+            % Verify array data using zarrread function.
+            actArrData = zarrread(testcase.ArrPathRead);
+            expArrData = testcase.ExpData.arr_v2;
+            testcase.verifyEqual(actArrData,expArrData,'Failed to verify array data.');
+        end
+
+        function verifyGroupInpError(testcase)
+            % Verify error if a user tries to pass the group as input to
+            % zarrread function.
+            errID = 'MATLAB:Python:PyException';
+            testcase.verifyError(@()zarrread(testcase.GrpPathRead),errID);
+        end
+
+        function verifyArrReadV3(testcase)
+            % Verify error when a user tries to read a zarr format v3
+            % array.
+            errID = 'MATLAB:Python:PyException';
+            testcase.verifyError(@()zarrread(testcase.ArrPathReadV3),errID);
+        end
+
+        function nonExistentArray(testcase)
+            % Verify zarrread error when a user tries to read a non-existent
+            % file.
+            errID = 'MATLAB:validators:mustBeFolder';
+            testcase.verifyError(@()zarrread('nonexistent/'),errID);
+        end
+
+        function invalidFilePath(testcase)
+            % Verify zarrread error when an invalid file path is used.
+
+            % Using a cell input with a valid array path
+            errID = 'MATLAB:validators:mustBeTextScalar';
+            testcase.verifyError(@()zarrread({testcase.ArrPathRead}),errID);
+
+            % Empty cell or double
+            testcase.verifyError(@()zarrread({}),errID);
+            testcase.verifyError(@()zarrread([]),errID);
+
+            % Non-scalar input
+            testcase.verifyError(@()zarrread([testcase.ArrPathRead,testcase.ArrPathRead]), ...
+                errID);
+
+            % Empty char
+            errID = 'MATLAB:validators:mustBeNonzeroLengthText';
+            testcase.verifyError(@()zarrread(''),errID);
+        end
+    end
+end
\ No newline at end of file
diff --git a/test/tZarrWrite.m b/test/tZarrWrite.m
new file mode 100644
index 0000000..8596f22
--- /dev/null
+++ b/test/tZarrWrite.m
@@ -0,0 +1,125 @@
+classdef tZarrWrite < SharedZarrTestSetup
+    % Tests for zarrwrite function to write data to Zarr files in MATLAB.
+
+    % Copyright 2025 The MathWorks, Inc.
+
+    properties(TestParameter)
+        DataType = {'double','single','int8','uint8','int16','uint16', ...
+            'int32','uint32','int64','uint64','logical'}
+        CompId = {'zlib','gzip','bz2','zstd'}
+        ArrSizeWrite = {[1 10],[20 25],[10 12 5]}
+    end
+
+    methods(Test)
+        function createArrayLocalDefaultSyntax(testcase,ArrSizeWrite)
+            % Verify the data when creating and writing to arrays of different 
+            % dimensions using zarrcreate and zarrwrite locally. The default 
+            % datatype is double.;
+            zarrcreate(testcase.ArrPathWrite,ArrSizeWrite);
+            expData = rand(ArrSizeWrite);
+            zarrwrite(testcase.ArrPathWrite,expData);
+
+            actData = zarrread(testcase.ArrPathWrite);
+            testcase.verifyEqual(actData,expData,'Failed to verify array data');
+        end
+
+        function createArrayRemoteDefaultSyntax(testcase)
+            % Verify data when creating and writing to arrays of different 
+            % dimensions using zarrcreate and zarrwrite to a remote location.
+            
+            % Move to a separate file
+        end
+
+        function createArrayLocalUserDefinedSyntax(testcase,DataType,CompId)
+            % Verify the data when creating and writing to arrays with 
+            % user-defined properties using zarrcreate and zarrwrite locally.
+            comp.level = 5;
+            fillValue = -9;
+            expData = cast(ones(testcase.ArrSize),DataType);
+            comp.id = CompId;
+            zarrcreate(testcase.ArrPathWrite,testcase.ArrSize,'ChunkSize',testcase.ChunkSize, ...
+                'Compression',comp,'FillValue',fillValue,'Datatype',DataType);
+            zarrwrite(testcase.ArrPathWrite,expData);
+
+            actData = zarrread(testcase.ArrPathWrite);
+            testcase.verifyEqual(actData,expData,['Failed to verify data for ' DataType ' datatype' ...
+                ' with ' CompId ' compression.']);
+        end
+
+        function createArrayRemoteUserDefinedSyntax(testcase)
+            % Verify data when creating and writing data to arrays with 
+            % user-defined properties using zarrcreate and zarrwrite to a 
+            % remote location.
+        
+            % Move to a separate file
+        end
+
+        function createArrayWithBlosc(testcase)
+            % Verify data when creating and writing to a Zarr array using 
+            % blosc compression.
+            comp.id = 'blosc';
+            comp.clevel = 5;
+            cname = {'blosclz','lz4','lz4hc','zlib','zstd','snappy'};
+            comp.shuffle = -1;
+            expData = randn(testcase.ArrSize);
+
+            for i = 1:length(cname)
+                comp.cname = cname{i};
+                zarrcreate(testcase.ArrPathWrite,testcase.ArrSize,'ChunkSize', ...
+                    testcase.ChunkSize,'Compression',comp);
+                zarrwrite(testcase.ArrPathWrite,expData);
+
+                actData = zarrread(testcase.ArrPathWrite);
+                testcase.verifyEqual(actData,expData,['Failed to verify data for ' cname(i)]);
+            end
+        end
+
+        function tooFewInputs(testcase)
+            % Verify error when too few inputs to zarrwrite are passed.
+            errID = 'MATLAB:minrhs';
+            testcase.verifyError(@()zarrwrite(testcase.ArrPathWrite),errID);
+        end
+
+        function invalidFilePath(testcase)
+            % Verify error when an invalid file path is used.
+            errID = 'MATLAB:validators:mustBeNonzeroLengthText';
+            data = ones(10,10);
+            testcase.verifyError(@()zarrwrite('',data),errID);
+        end
+
+        % function dataDatatypeMismatch(testcase)
+        %     % Verify error for mismatch between datatype value and datatype 
+        %     % of data to be written with zarrwrite.
+        %
+        %     %TOCHECK: Failure on Linux
+        %     zarrcreate(testcase.ArrPathWrite,testcase.ArrSize,"Datatype",'int8');
+        %     data = ones(testcase.ArrSize);
+        %     testcase.verifyError(@()zarrwrite(testcase.ArrPathWrite,data),testcase.PyException);
+        % end
+
+        function dataDimensionMismatch(testcase)
+            % Verify error when there is a dimension mismatch at the time of 
+            % writing to the array.
+            testcase.assumeTrue(false,'Filtered until error ID is added.');
+            errID = '';
+            zarrcreate(testcase.ArrPathWrite,testcase.ArrSize);
+            data = ones(30,30);
+            testcase.verifyError(@()zarrwrite(testcase.ArrPathWrite,data),errID);
+        end
+
+        function overwriteArray(testcase)
+            % Verify data after the array data is overwritten with new
+            % data.
+            zarrcreate(testcase.ArrPathWrite,testcase.ArrSize, ...
+                'ChunkSize',testcase.ChunkSize);
+            data = ones(testcase.ArrSize);
+            zarrwrite(testcase.ArrPathWrite,data);
+
+            % Create new data
+            expData = rand(testcase.ArrSize);
+            zarrwrite(testcase.ArrPathWrite,expData);
+            actData = zarrread(testcase.ArrPathWrite);
+            testcase.verifyEqual(actData,expData,'Failed to verify array data')
+        end
+    end
+end
\ No newline at end of file