gson: comparing two strings may fail due to lazy number parsing

[liori]

When using gson as the JSON parser dependency, the following test fails despite that it shouldn't:

assertJsonEquals("{\"foo\": 1.0}", "{\"foo\": 1.00}")

This is because gson parser parses numbers lazily: when parsing, it internally stores a string. Then, when serializing, the same string is reused. See the LazilyParsedNumber class.

Switching to moshi helps.

[lukas-krecan-lt]

Number comparison is described here https://github.com/lukas-krecan/JsonUnit#numeric-comparison. By default numbers are compared as literals so 1.0 is different than 1.00. This changes if you set tolerance (even to 0). Moshi is broken so it behaves differently.

[liori]

Ah, sorry then. I will keep using moshi then, because this is the behavior I consider correct here.