import
  unittest, json,
  ../web3/ethhexstrings

suite "Hex quantity":
  test "Empty string":
    expect ValueError:
      let
        source = ""
        x = hexQuantityStr source
      check %x == %source
  test "Even length":
    let
      source = "0x123"
      x = hexQuantityStr source
    check %x == %source
  test "Odd length":
    let
      source = "0x123"
      x = hexQuantityStr"0x123"
    check %x == %source
  test "Missing header":
    expect ValueError:
      let
        source = "1234"
        x = hexQuantityStr source
      check %x != %source
    expect ValueError:
      let
        source = "01234"
        x = hexQuantityStr source
      check %x != %source
    expect ValueError:
      let
        source = "x1234"
        x = hexQuantityStr source
      check %x != %source

suite "Hex data":
  test "Even length":
    let
      source = "0x1234"
      x = hexDataStr source
    check %x == %source
  test "Odd length":
    expect ValueError:
      let
        source = "0x123"
        x = hexDataStr source
      check %x != %source
  test "Missing header":
    expect ValueError:
      let
        source = "1234"
        x = hexDataStr source
      check %x != %source
    expect ValueError:
      let
        source = "01234"
        x = hexDataStr source
      check %x != %source
    expect ValueError:
      let
        source = "x1234"
        x = hexDataStr source
      check %x != %source