[segyio] 167/376: Re-add missing test/spec.m file

[Jørgen Kvalsvik]

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jokva-guest pushed a commit to branch debian
in repository segyio.

commit 5fc9d53e42529895454679af4e8c720a71dfd786
Author: Jørgen Kvalsvik <jokva at statoil.com>
Date:   Mon Feb 13 08:55:56 2017 +0100

    Re-add missing test/spec.m file
---
 mex/test/spec.m | 88 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)

diff --git a/mex/test/spec.m b/mex/test/spec.m
new file mode 100644
index 0000000..bb8669b
--- /dev/null
+++ b/mex/test/spec.m
@@ -0,0 +1,88 @@
+% test segyspec
+
+% preconditions 
+filename = 'test-data/small.sgy';
+assert(exist(filename,'file')==2);
+t0 = 1111.0;
+
+%% no such file
+no_such_filename = 'no-such-dir/no-such-file.sgy';
+assert(exist(no_such_filename,'file')~=2);
+try
+    spec = SegySpec(no_such_filename, TraceField.Inline3D, TraceField.Crossline3D, t0);
+    %should not reach here
+    assert(false);
+catch
+    %not actually needed...
+    assert(true);
+end
+
+%% Spec is created
+try
+    spec = SegySpec(filename, TraceField.Inline3D, TraceField.Crossline3D, t0);
+catch
+    %nothing should be caught
+    assert(false);
+end
+
+%% IBM_FLOAT_4_BYTE
+spec = SegySpec(filename, TraceField.Inline3D, TraceField.Crossline3D, t0);
+assert(spec.sample_format == SegySampleFormat.IBM_FLOAT_4_BYTE);
+
+%% filename is set
+spec = SegySpec(filename, TraceField.Inline3D, TraceField.Crossline3D, t0);
+assert(strcmp(spec.filename,filename));
+
+%% trace_sorting_format
+spec = SegySpec(filename, TraceField.Inline3D, TraceField.Crossline3D, t0);
+assert(spec.trace_sorting_format == TraceSortingFormat.iline);
+
+%%offset_count
+spec = SegySpec(filename, TraceField.Inline3D, TraceField.Crossline3D, t0);
+assert(length(spec.offset_count) == 1);
+
+%% sample_indexes
+spec = SegySpec(filename, TraceField.Inline3D, TraceField.Crossline3D, t0);
+sample_indexes = spec.sample_indexes;
+assert(length(sample_indexes) == 50);
+
+for i = 1:length(sample_indexes)
+    t = t0 + (i-1) * 4;
+    assert(sample_indexes(i) == t);
+end
+
+
+%% first_trace_pos
+spec = SegySpec(filename, TraceField.Inline3D, TraceField.Crossline3D, t0);
+first_trace_pos = spec.first_trace_pos;
+assert(first_trace_pos == 3600);
+
+%% il_stride
+spec = SegySpec(filename, TraceField.Inline3D, TraceField.Crossline3D, t0);
+il_stride = spec.il_stride;
+assert(il_stride == 1);
+
+%% xl_stride
+spec = SegySpec(filename, TraceField.Inline3D, TraceField.Crossline3D, t0);
+xl_stride = spec.xl_stride;
+assert(xl_stride == 5);
+
+%% xl_stride
+spec = SegySpec(filename, TraceField.Inline3D, TraceField.Crossline3D, t0);
+trace_bsize = spec.trace_bsize;
+assert(trace_bsize == 50*4);
+
+%% xline
+spec = SegySpec(filename, TraceField.Inline3D, TraceField.Crossline3D, t0);
+assert(length(spec.crossline_indexes)==5)
+for xl = spec.crossline_indexes'
+    assert(xl >= 20 && xl <= 24);
+end
+
+%% iline
+spec = SegySpec(filename, TraceField.Inline3D, TraceField.Crossline3D, t0);
+assert(length(spec.inline_indexes)==5)
+
+for il = spec.inline_indexes'
+    assert(il >= 1 && il <= 5);
+end

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