01_int.py 2.0 KB

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  1. # test int literals
  2. assert 0xffff == 65535
  3. assert 0xAAFFFF == 11206655
  4. assert 0x7fffffff == 2147483647
  5. assert -0xffff == -65535
  6. assert -0xAAFFFF == -11206655
  7. assert -0x7fffffff == -2147483647
  8. # test 64-bit
  9. assert 2**60-1 + 546 - 0xfffffffffffff == 1148417904979477026
  10. # test oct literals
  11. assert 0o1234 == 668
  12. assert 0o17777777777 == 2147483647
  13. assert -0o1234 == -668
  14. assert -0o17777777777 == -2147483647
  15. # test binary literals
  16. assert 0b10010 == 18
  17. assert -0b10010 == -18
  18. assert 0b11111111111111111111111111111111 == 4294967295
  19. assert -0b11111 == -31
  20. # test == != >= <= < >
  21. assert -1 == -1
  22. assert -1 != 1
  23. assert -1 >= -1
  24. assert -1 <= -1
  25. assert -1 < 1
  26. assert -1 > -2
  27. # test + - * % ** //
  28. assert -1 + 1 == 0
  29. assert -1 - 1 == -2
  30. assert 4 * -1 == -4
  31. assert 5 % 2 == 1
  32. assert 2 ** 3 == 8
  33. assert 4 // 2 == 2
  34. assert 5 // 2 == 2
  35. # test += -= *= //=
  36. x = 3
  37. x += 1
  38. assert x == 4
  39. x -= 1
  40. assert x == 3
  41. x *= 2
  42. assert x == 6
  43. x //= 2
  44. assert x == 3
  45. # test __str__, __repr__, __json__
  46. assert str(1) == '1'
  47. assert repr(1) == '1'
  48. assert (1).__json__() == '1'
  49. # test int()
  50. assert int(1) == 1
  51. assert int(1.0) == 1
  52. assert int(1.1) == 1
  53. assert int(1.9) == 1
  54. assert int(-1.9) == -1
  55. assert int(1.5) == 1
  56. assert int(-1.5) == -1
  57. assert int("123") == 123
  58. # test >> << & | ^
  59. assert 12 >> 1 == 6
  60. assert 12 << 1 == 24
  61. assert 12 & 1 == 0
  62. assert 12 | 1 == 13
  63. assert 12 ^ 1 == 13
  64. # test high precision int pow
  65. assert 7**21 == 558545864083284007
  66. assert 2**60 == 1152921504606846976
  67. assert -2**60 == -1152921504606846976
  68. assert 4**13 == 67108864
  69. assert (-4)**13 == -67108864
  70. assert ~3 == -4
  71. assert ~-3 == 2
  72. assert ~0 == -1
  73. try:
  74. 1 // 0
  75. exit(1)
  76. except ZeroDivisionError:
  77. pass
  78. try:
  79. 1 % 0
  80. exit(1)
  81. except ZeroDivisionError:
  82. pass
  83. try:
  84. 2**60 // 0
  85. exit(1)
  86. except ZeroDivisionError:
  87. pass
  88. try:
  89. 2**60 % 0
  90. exit(1)
  91. except ZeroDivisionError:
  92. pass
  93. try:
  94. divmod(1, 0)
  95. exit(1)
  96. except ZeroDivisionError:
  97. pass
  98. try:
  99. divmod(2**60, 0)
  100. exit(1)
  101. except ZeroDivisionError:
  102. pass