Revert "test: remove unused logic"

This reverts commit 1904550.

Author: scivision

Readme.md

@@ -10,7 +10,9 @@ Matlab or
 users coming from other languages will benefit from the functionality contained within this user-developed, unofficial "stdlib" standard library of functions.
 These system, filesystem, and HDF5 / HDF4 / NetCDF functions are used across numerous projects.
 
-Matlab R2020b is the minimum required version.
+Matlab R2019b is the minimum required due to use of
+[arguments](https://www.mathworks.com/help/matlab/ref/arguments.html)
+syntax.
 URLs (e.g. https://, s3:// and similar) are treated as not existing.
 The self-tests require at least Matlab R2021b and can be run from the matlab-stdlib/ directory.
 

test/TestHDF5.m

@@ -53,8 +53,10 @@ function setup_file(tc)
 stdlib.h5save(tc.file, '/A3', tc.A3, size=size(tc.A3))
 stdlib.h5save(tc.file, '/A4', tc.A4)
 
+if ~isMATLABReleaseOlderThan("R2020b")
 stdlib.h5save(tc.file, "/utf", tc.utf)
 stdlib.h5save(tc.file, "/utf2", tc.utf2)
+end
 
 stdlib.h5save(tc.file, '/t/x', 12)
 stdlib.h5save(tc.file, '/t/y', 13)
@@ -87,7 +89,11 @@ function test_auto_chunk_size(tc)
 function test_get_variables(tc)
 
 v = stdlib.h5variables(tc.file);
-k = ["A0", "A1", "A2", "A3", "A4", "utf", "utf2"];
+k = ["A0", "A1", "A2", "A3", "A4"];
+
+if ~isMATLABReleaseOlderThan("R2020b")
+  k = [k, "utf", "utf2"];
+end
 
 tc.verifyEqual(sort(v), k)
 
@@ -136,11 +142,13 @@ function test_size(tc)
 tc.verifyTrue(isvector(s))
 tc.verifyEqual(s, [4,3,2,5])
 
+if ~isMATLABReleaseOlderThan("R2020b")
 s = stdlib.h5size(tc.file, '/utf');
 tc.verifyEmpty(s)
 
 s = stdlib.h5size(tc.file, '/utf2');
 tc.verifyEqual(s, 2)
+end
 
 end
 
@@ -169,13 +177,15 @@ function test_read(tc)
 tc.verifyEqual(ndims(s), 4)
 tc.verifyEqual(s, tc.A4)
 
+if ~isMATLABReleaseOlderThan("R2020b")
 s = h5read(tc.file, '/utf');
 tc.verifyTrue(ischar(s))
 tc.verifyEqual(s, tc.utf)
 
 s = h5read(tc.file, '/utf2');
 tc.verifyClass(s, 'string')
 tc.verifyEqual(s, tc.utf2)
+end
 
 end
 
@@ -195,6 +205,10 @@ function test_shape(tc)
 
 function test_coerce(tc, type)
 
+if any(type == ["string", "char"])
+  tc.assumeFalse(isMATLABReleaseOlderThan("R2020b"))
+end
+
 stdlib.h5save(tc.file, "/" + type, 0, "type", type)
 
 switch type
@@ -235,6 +249,8 @@ function test_int8(tc)
 
 function test_string(tc, str)
 
+tc.assumeFalse(isMATLABReleaseOlderThan("R2020b"))
+
 stdlib.h5save(tc.file, "/"+str, str)
 
 a = h5read(tc.file, "/"+str);

test/TestNetCDF.m

@@ -46,9 +46,11 @@ function setup_file(tc)
 stdlib.ncsave(tc.file, 'A3', tc.A3, "dims", {'x3', size(tc.A3,1), 'y3', size(tc.A3,2), 'z3', size(tc.A3,3)})
 stdlib.ncsave(tc.file, 'A4', tc.A4, "dims", {'x4', size(tc.A4,1), 'y4', size(tc.A4,2), 'z4', size(tc.A4,3), 'w4', size(tc.A4,4)})
 
+if ~isMATLABReleaseOlderThan('R2021b')
 stdlib.ncsave(tc.file, "utf0", tc.utf0)
 stdlib.ncsave(tc.file, "utf1", tc.utf1, "dims", {'s1', size(tc.utf1, 1)})
 stdlib.ncsave(tc.file, "utf2", tc.utf2, "dims", {'s1', size(tc.utf2, 1), 't1', size(tc.utf2, 2)})
+end
 
 stdlib.ncsave(tc.file, '/t/x', 12)
 stdlib.ncsave(tc.file, '/t/y', 13)
@@ -73,7 +75,11 @@ function remove_temp_wd(tc)
 function test_get_variables(tc)
 
 
-k = ["A0", "A1", "A2", "A3", "A4", "utf0", "utf1", "utf2"];
+k = ["A0", "A1", "A2", "A3", "A4"];
+
+if ~isMATLABReleaseOlderThan('R2021b')
+  k = [k, ["utf0", "utf1", "utf2"]];
+end
 
 tc.verifyEqual(sort(stdlib.ncvariables(tc.file)), k)
 
@@ -130,6 +136,7 @@ function test_size(tc)
 
 function test_size_string(tc)
 
+tc.assumeFalse(isMATLABReleaseOlderThan('R2021b'), "NetCDF4 string requires Matlab >= R2021b")
 
 s = stdlib.ncsize(tc.file, 'utf0');
 tc.verifyEmpty(s)
@@ -169,6 +176,7 @@ function test_read(tc)
 
 function test_read_string(tc)
 
+tc.assumeFalse(isMATLABReleaseOlderThan('R2021b'), "NetCDF4 string requires Matlab >= R2021b")
 
 s = ncread(tc.file, 'utf0');
 tc.verifyClass(s, 'string')