97 lines
2.0 KiB
V
97 lines
2.0 KiB
V
import os
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struct Point {
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x f64
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y f64
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z f64
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}
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struct Extended_Point {
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a f64
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b f64
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c f64
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d f64
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e f64
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f f64
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g f64
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h f64
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i f64
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}
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const unit_point = Point{1.0, 1.0, 1.0}
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const tfolder = os.join_path(os.temp_dir(), 'os_file_test')
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const tfile = os.join_path(tfolder, 'test_file')
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const another_point = Point{0.25, 2.25, 6.25}
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const extended_point = Extended_Point{1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0}
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fn testsuite_begin() {
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os.rmdir_all(tfolder) or {}
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assert !os.is_dir(tfolder)
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os.mkdir_all(tfolder) or { panic(err) }
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os.chdir(tfolder)
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assert os.is_dir(tfolder)
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}
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fn testsuite_end() {
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os.chdir(os.wd_at_startup)
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os.rmdir_all(tfolder) or { panic(err) }
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assert !os.is_dir(tfolder)
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}
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fn test_write_struct() {
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size_of_point := int(sizeof(Point))
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mut f := os.open_file(tfile, 'w') or { panic(err) }
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f.write_struct(another_point) or { panic(err) }
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f.close()
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x := os.read_file(tfile) or { panic(err) }
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y := unsafe { byteptr(memdup(&another_point, size_of_point)).vstring_with_len(size_of_point) }
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assert x == y
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$if debug {
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eprintln(x.bytes())
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eprintln(y.bytes())
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}
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}
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fn test_read_struct() {
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mut f := os.open_file(tfile, 'w') or { panic(err) }
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f.write_struct(another_point) or { panic(err) }
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f.close()
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f = os.open_file(tfile, 'r') or { panic(err) }
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mut p := Point{}
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f.read_struct(mut p) or { panic(err) }
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f.close()
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assert p == another_point
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}
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fn test_read_struct_at() {
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mut f := os.open_file(tfile, 'w') or { panic(err) }
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f.write([byte(1), 2, 3]) or { panic(err) }
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f.write_struct(another_point) or { panic(err) }
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f.close()
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f = os.open_file(tfile, 'r') or { panic(err) }
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mut p := Point{}
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f.read_struct_at(mut p, 3) or { panic(err) }
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f.close()
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assert p == another_point
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}
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fn test_write_struct_at() {
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mut f := os.open_file(tfile, 'w') or { panic(err) }
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f.write_struct(extended_point) or { panic(err) }
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f.write_struct_at(another_point, 3) or { panic(err) }
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f.close()
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f = os.open_file(tfile, 'r') or { panic(err) }
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mut p := Point{}
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f.read_struct_at(mut p, 3) or { panic(err) }
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f.close()
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assert p == another_point
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}
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