tests:
  - name: No Interpolation
    desc: Mustache-free templates should render as-is.
    data: { }
    template: |
      Hello from {Mustache}!
    expected: |
      Hello from {Mustache}!

  - name: Basic Interpolation
    desc: Unadorned tags should interpolate content into the template.
    data: { subject: "world" }
    template: |
      Hello, {{subject}}!
    expected: |
      Hello, world!

  - name: HTML Escaping
    desc: Basic interpolation should be HTML escaped.
    data: { forbidden: '& " < >' }
    template: |
      These characters should be HTML escaped: {{forbidden}}
    expected: |
      These characters should be HTML escaped: &amp; &quot; &lt; &gt;

  - name: Triple Mustache
    desc: Triple mustaches should interpolate without HTML escaping.
    data: { forbidden: '& " < >' }
    template: |
      These characters should not be HTML escaped: {{{forbidden}}}
    expected: |
      These characters should not be HTML escaped: & " < >

  - name: Ampersand
    desc: Ampersand should interpolate without HTML escaping.
    data: { forbidden: '& " < >' }
    template: |
      These characters should not be HTML escaped: {{&forbidden}}
    expected: |
      These characters should not be HTML escaped: & " < >

  - name: Basic Integer Interpolation
    desc: Integers should interpolate seamlessly.
    data: { mph: 85 }
    template: '"{{mph}} miles an hour!"'
    expected: '"85 miles an hour!"'

  - name: Triple Mustache Integer Interpolation
    desc: Integers should interpolate seamlessly.
    data: { mph: 85 }
    template: '"{{{mph}}} miles an hour!"'
    expected: '"85 miles an hour!"'

  - name: Ampersand Integer Interpolation
    desc: Integers should interpolate seamlessly.
    data: { mph: 85 }
    template: '"{{&mph}} miles an hour!"'
    expected: '"85 miles an hour!"'

  - name: Basic Decimal Interpolation
    desc: Decimals should interpolate seamlessly with proper significance.
    data: { power: 1.210 }
    template: '"{{power}} jiggawatts!"'
    expected: '"1.21 jiggawatts!"'

  - name: Triple Mustache Decimal Interpolation
    desc: Decimals should interpolate seamlessly with proper significance.
    data: { power: 1.210 }
    template: '"{{{power}}} jiggawatts!"'
    expected: '"1.21 jiggawatts!"'

  - name: Ampersand Decimal Interpolation
    desc: Decimals should interpolate seamlessly with proper significance.
    data: { power: 1.210 }
    template: '"{{&power}} jiggawatts!"'
    expected: '"1.21 jiggawatts!"'

  # Whitespace Sensitivity

  - name: Interpolation - Surrounding Whitespace
    desc: Interpolation should not alter surrounding whitespace.
    data: { string: '---' }
    template: '| {{string}} |'
    expected: '| --- |'

  - name: Triple Mustache - Surrounding Whitespace
    desc: Interpolation should not alter surrounding whitespace.
    data: { string: '---' }
    template: '| {{{string}}} |'
    expected: '| --- |'

  - name: Ampersand - Surrounding Whitespace
    desc: Interpolation should not alter surrounding whitespace.
    data: { string: '---' }
    template: '| {{&string}} |'
    expected: '| --- |'

  - name: Interpolation - Standalone
    desc: Standalone interpolation should not alter surrounding whitespace.
    data: { string: '---' }
    template: "  {{string}}\n"
    expected: "  ---\n"

  - name: Triple Mustache - Standalone
    desc: Standalone interpolation should not alter surrounding whitespace.
    data: { string: '---' }
    template: "  {{{string}}}\n"
    expected: "  ---\n"

  - name: Ampersand - Standalone
    desc: Standalone interpolation should not alter surrounding whitespace.
    data: { string: '---' }
    template: "  {{&string}}\n"
    expected: "  ---\n"

  # Whitespace Insensitivity

  - name: Interpolation With Padding
    desc: Superfluous in-tag whitespace should be ignored.
    data: { string: "---" }
    template: '|{{ string }}|'
    expected: '|---|'

  - name: Triple Mustache With Padding
    desc: Superfluous in-tag whitespace should be ignored.
    data: { string: "---" }
    template: '|{{{ string }}}|'
    expected: '|---|'

  - name: Ampersand With Padding
    desc: Superfluous in-tag whitespace should be ignored.
    data: { string: "---" }
    template: '|{{& string }}|'
    expected: '|---|'