module test.operations.lessThan;
import fluentasserts.core.expect;
import fluent.asserts;
import trial.discovery.spec;
import std.string;
import std.conv;
import std.meta;
import std.datetime;
alias s = Spec!({
alias NumericTypes = AliasSeq!(byte, ubyte, short, ushort, int, uint, long, ulong, float, double, real);
static foreach(Type; NumericTypes) {
describe("using " ~ Type.stringof ~ " values", {
Type smallValue;
Type largeValue;
before({
smallValue = cast(Type) 40;
largeValue = cast(Type) 50;
});
it("should be able to compare two values", {
expect(smallValue).to.be.lessThan(largeValue);
expect(smallValue).to.be.below(largeValue);
});
it("should be able to compare two values using negation", {
expect(largeValue).not.to.be.lessThan(smallValue);
expect(largeValue).not.to.be.below(smallValue);
});
it("should throw a detailed error when the number is compared with itself", {
auto msg = ({
expect(smallValue).to.be.lessThan(smallValue);
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.equal(smallValue.to!string ~ " should be less than " ~ smallValue.to!string ~ ". " ~ smallValue.to!string ~ " is greater than or equal to " ~ smallValue.to!string ~ ".");
msg.split("\n")[2].strip.should.equal("Expected:less than " ~ smallValue.to!string);
msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.to!string);
});
it("should throw a detailed error when the negated comparison fails", {
auto msg = ({
expect(smallValue).not.to.be.lessThan(largeValue);
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.equal(smallValue.to!string ~ " should not be less than " ~ largeValue.to!string ~ ". " ~ smallValue.to!string ~ " is less than " ~ largeValue.to!string ~ ".");
msg.split("\n")[2].strip.should.equal("Expected:greater than or equal to " ~ largeValue.to!string);
msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.to!string);
});
});
}
describe("using Duration values", {
Duration smallValue;
Duration largeValue;
before({
smallValue = 40.seconds;
largeValue = 41.seconds;
});
it("should be able to compare two values", {
expect(smallValue).to.be.lessThan(largeValue);
expect(smallValue).to.be.below(largeValue);
});
it("should be able to compare two values using negation", {
expect(largeValue).not.to.be.lessThan(smallValue);
expect(largeValue).not.to.be.below(smallValue);
});
it("should throw a detailed error when the number is compared with itself", {
auto msg = ({
expect(smallValue).to.be.lessThan(smallValue);
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.equal(smallValue.to!string ~ " should be less than " ~ smallValue.to!string ~ ". " ~ smallValue.to!string ~ " is greater than or equal to " ~ smallValue.to!string ~ ".");
msg.split("\n")[2].strip.should.equal("Expected:less than " ~ smallValue.to!string);
msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.to!string);
});
it("should throw a detailed error when the negated comparison fails", {
auto msg = ({
expect(smallValue).not.to.be.lessThan(largeValue);
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.equal(smallValue.to!string ~ " should not be less than " ~ largeValue.to!string ~ ". " ~ smallValue.to!string ~ " is less than " ~ largeValue.to!string ~ ".");
msg.split("\n")[2].strip.should.equal("Expected:greater than or equal to " ~ largeValue.to!string);
msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.to!string);
});
});
describe("using SysTime values", {
SysTime smallValue;
SysTime largeValue;
before({
smallValue = Clock.currTime;
largeValue = smallValue + 4.seconds;
});
it("should be able to compare two values", {
expect(smallValue).to.be.lessThan(largeValue);
expect(smallValue).to.be.below(largeValue);
});
it("should be able to compare two values using negation", {
expect(largeValue).not.to.be.lessThan(smallValue);
expect(largeValue).not.to.be.below(smallValue);
});
it("should throw a detailed error when the number is compared with itself", {
auto msg = ({
expect(smallValue).to.be.lessThan(smallValue);
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.equal(smallValue.toISOExtString ~ " should be less than " ~ smallValue.toISOExtString ~ ". " ~ smallValue.toISOExtString ~ " is greater than or equal to " ~ smallValue.toISOExtString ~ ".");
msg.split("\n")[2].strip.should.equal("Expected:less than " ~ smallValue.toISOExtString);
msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.toISOExtString);
});
it("should throw a detailed error when the negated comparison fails", {
auto msg = ({
expect(smallValue).not.to.be.lessThan(largeValue);
}).should.throwException!TestException.msg;
msg.split("\n")[0].should.equal(smallValue.toISOExtString ~ " should not be less than " ~ largeValue.toISOExtString ~ ". " ~ smallValue.toISOExtString ~ " is less than " ~ largeValue.toISOExtString ~ ".");
msg.split("\n")[2].strip.should.equal("Expected:greater than or equal to " ~ largeValue.toISOExtString);
msg.split("\n")[3].strip.should.equal("Actual:" ~ smallValue.toISOExtString);
});
});
});